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searching for Entropy (astrophysics) 179 found (182 total)

alternate case: entropy (astrophysics)

Gravitational singularity (2,190 words) [view diff] no match in snippet view article find links to article

apparently becomes infinite at the centre of a black hole, and within astrophysics and cosmology as the earliest state of the universe during the Big Bang
Zeeman–Doppler imaging (428 words) [view diff] no match in snippet view article find links to article
In astrophysics, Zeeman–Doppler imaging is a tomographic technique dedicated to the cartography of stellar magnetic fields, as well as surface brightness
Quantum statistical mechanics (1,318 words) [view diff] no match in snippet view article find links to article
show T log2 T is not trace-class. Theorem. Entropy is a unitary invariant. In analogy with classical entropy (notice the similarity in the definitions)
De Laval nozzle (1,133 words) [view diff] no match in snippet view article find links to article
is constant. The gas flow through a de Laval nozzle is isentropic (gas entropy is nearly constant). In a subsonic flow sound will propagate through the
Polytropic process (821 words) [view diff] no match in snippet view article find links to article
Ed. Manchester University Press. 40 (1).  Horedt, G. P. (2004-08-10). Polytropes: Applications In Astrophysics And Related Fields. Springer. p. 24. 
Baryon asymmetry (2,050 words) [view diff] no match in snippet view article find links to article
{B}}}{s}}} because the entropy density of the universe remained reasonably constant throughout most of its evolution. The entropy density is
Shock wave (3,722 words) [view diff] no match in snippet view article find links to article
Hence, when a shock wave passes through matter, energy is preserved but entropy increases. This change in the matter's properties manifests itself as a
Cosmology (1,982 words) [view diff] no match in snippet view article find links to article
time" due to the finite nature of the speed of light. Physics and astrophysics have played a central role in shaping the understanding of the universe
Wojciech H. Zurek (787 words) [view diff] no match in snippet view article find links to article
pioneer in information physics, edited an influential book on "Complexity, Entropy and the Physics of Information", and spearheaded the efforts that finally
Firewall (physics) (1,125 words) [view diff] no match in snippet view article
3743P. doi:10.1103/PhysRevLett.71.3743.  Page, Don N. (1993). "Average entropy of a subsystem". Phys. Rev. Lett. 71: 1291. arXiv:gr-qc/9305007 . Bibcode:1993PhRvL
Black hole (14,956 words) [view diff] no match in snippet view article find links to article
the area as entropy. One puzzling feature is that the entropy of a black hole scales with its area rather than with its volume, since entropy is normally
List of interstellar and circumstellar molecules (8,602 words) [view diff] no match in snippet view article find links to article
detection of low-entropy (highly symmetric) fullerene molecules supports this assumption. It is also noted that information entropy reflects the depth
Convective overturn (499 words) [view diff] no match in snippet view article find links to article
another wave of energized neutrinos which reenergizes the shock wave. The entropy convection model has matter falling inward from above the shock layer down
Galaxy groups and clusters (1,446 words) [view diff] no match in snippet view article find links to article
better understand this thermal history one needs to study the entropy of the gas because entropy is the quantity most directly changed by increasing or decreasing
RdRand (2,173 words) [view diff] no match in snippet view article find links to article
on-chip hardware random number generator which has been seeded by an on-chip entropy source. RDRAND is available in Ivy Bridge processors and is part of the
Hydrogen anion (457 words) [view diff] no match in snippet view article find links to article
Rau, A. R. P. (1996). "The Negative Ion of Hydrogen" (PDF). Journal of Astrophysics and Astronomy. 17 (3): 113–145. Bibcode:1996JApA...17..113R. doi:10.1007/BF02702300
Inflation (cosmology) (12,537 words) [view diff] no match in snippet view article
thermal equilibrium. Their models failed, however, because of the buildup of entropy over several cycles. Misner made the (ultimately incorrect) conjecture
List of physics journals (807 words) [view diff] no match in snippet view article find links to article
Astronomy and Astrophysics The Astronomical Journal Astronomy and Astrophysics Astroparticle Physics The Astrophysical Journal Astrophysics and Space Science
Rossby wave instability in astrophysical discs (1,587 words) [view diff] no match in snippet view article find links to article
S {\displaystyle S} is the specific entropy of the gas, and γ {\displaystyle
Temperature (11,471 words) [view diff] no match in snippet view article find links to article
energy with respect the entropy at constant volume. Its natural, intrinsic origin or null point is absolute zero at which the entropy of any system is at
Jacob Bekenstein (1,547 words) [view diff] no match in snippet view article find links to article
suggest that black holes should have a well-defined entropy. He wrote that a black hole's entropy was proportional to the area of its (the black hole's)
Physics applications of asymptotically safe gravity (954 words) [view diff] no match in snippet view article find links to article
concerning the implications of asymptotic safety in particle physics, astrophysics and cosmology, for instance. The Standard Model in combination with
Gravastar (1,232 words) [view diff] no match in snippet view article find links to article
A gravastar is an object hypothesized in astrophysics as an alternative to the black hole theory by Pawel O. Mazur and Emil Mottola. It results from assuming
Outline of physics (3,396 words) [view diff] no match in snippet view article find links to article
agroecosystems Soil physics – study of soil physical properties and processes. Astrophysics – study of the physical aspects of celestial objects Astronomy – studies
Kip Thorne (3,632 words) [view diff] no match in snippet view article find links to article
Nobel laureate, known for his contributions in gravitational physics and astrophysics. A longtime friend and colleague of Stephen Hawking and Carl Sagan, he
Weyl curvature hypothesis (540 words) [view diff] no match in snippet view article find links to article
concept of the entropy content of gravitational fields. Near the initial cosmological singularity (the Big Bang), he proposes, the entropy content of the
Fluid mechanics (2,324 words) [view diff] no match in snippet view article find links to article
engineering, chemical engineering, biomedical engineering, geophysics, astrophysics, and biology. Fluid mechanics can be divided into fluid statics, the
Index of physics articles (T) (2,019 words) [view diff] no match in snippet view article
Temperature dependence of liquid viscosity Temperature measurement Temperature–entropy diagram Temporal paradox Tendex line Tennis racket theorem Tensile stress
Timeline of gravitational physics and relativity (2,035 words) [view diff] no match in snippet view article find links to article
1972 – Jacob Bekenstein proposes that black holes have a non-decreasing entropy which can be identified with the area, 1972 – Carter, Hawking and James
Timeline of the far future (5,171 words) [view diff] no match in snippet view article find links to article
far-future events, if only in the broadest outline. These fields include astrophysics, which has revealed how planets and stars form, interact, and die; particle
GADGET (461 words) [view diff] no match in snippet view article find links to article
simulations written by Volker Springel at the Max Planck Institute for Astrophysics. The name is an acronym of "GAlaxies with Dark matter and Gas intEracT"
Hawking radiation (6,600 words) [view diff] no match in snippet view article find links to article
Jacob Bekenstein, who predicted that black holes should have a finite entropy. Hawking's work followed his visit to Moscow in 1973 where the Soviet scientists
List of scientific laws named after people (96 words) [view diff] no match in snippet view article find links to article
Hamilton Charles's law Thermodynamics Jacques Charles Chandrasekhar limit Astrophysics Subrahmanyan Chandrasekhar Church–Turing thesis Computer science Alonzo
Gamma-ray burst progenitors (2,807 words) [view diff] no match in snippet view article find links to article
entropy". Physical Review D. 7 (8): 2333. Bibcode:1973PhRvD...7.2333B. doi:10.1103/PhysRevD.7.2333.  Hawking, S.W. (1973). "Black holes and entropy"
Vesna Milosevic-Zdjelar (519 words) [view diff] no match in snippet view article find links to article
astrophysicist, science educator and author. Her specialty is teaching astrophysics to students enrolled in non-science programs at the University of Winnipeg
Thermodynamic equilibrium (7,361 words) [view diff] no match in snippet view article find links to article
for which some thermodynamic potential is minimized, or for which the entropy (S) is maximized, for specified conditions. One such potential is the Helmholtz
Big Bang (12,353 words) [view diff] no match in snippet view article find links to article
Eventually, black holes would evaporate by emitting Hawking radiation. The entropy of the universe would increase to the point where no organized form of
List of unsolved problems in physics (8,801 words) [view diff] no match in snippet view article find links to article
physics. Arrow of time (e.g. entropy's arrow of time): Why does time have a direction? Why did the universe have such low entropy in the past, and time correlates
Physical cosmology (7,214 words) [view diff] no match in snippet view article find links to article
particle physics experiments and theory, theoretical and observational astrophysics, general relativity, quantum mechanics, and plasma physics. Modern
Continuum mechanics (7,804 words) [view diff] no match in snippet view article find links to article
quantity of interest in this case is the entropy. Thus, we assume that there is an entropy flux, an entropy source, an internal mass density
Hydrostatics (2,052 words) [view diff] no match in snippet view article find links to article
transporting and using fluids. It is also relevant to geophysics and astrophysics (for example, in understanding plate tectonics and the anomalies of the
Fractal cosmology (2,105 words) [view diff] no match in snippet view article find links to article
from zero to three at a scale around 55 Mpc/h in the context of a "scale-entropy diffusion equation". It gives a way to estimate the number of galaxies
Carbon monoxide (7,347 words) [view diff] no match in snippet view article find links to article
process can be driven by heating, exploiting the positive (favorable) entropy of reaction. The Ellingham diagram shows that CO formation is favored over
Physics (8,830 words) [view diff] no match in snippet view article find links to article
physics; condensed matter physics; atomic, molecular, and optical physics; astrophysics; and applied physics. Some physics departments also support physics education
Future of an expanding universe (4,497 words) [view diff] no match in snippet view article find links to article
roughly 10101056 years. Over an infinite time there could be a spontaneous entropy decrease, by a Poincaré recurrence or through thermal fluctuations (see
Pressure (5,001 words) [view diff] no match in snippet view article find links to article
the Wayback Machine., Sect. 7.4. "Einstein's gravity under pressure". Astrophysics and Space Science. 321: 151–156. arXiv:0705.0825 . Bibcode:2009Ap&SS
Thermodynamic temperature (11,291 words) [view diff] no match in snippet view article find links to article
states. We call this distribution "entropy". To better understand the relationship between temperature and entropy, consider the relationship between
Fluid dynamics (4,239 words) [view diff] no match in snippet view article find links to article
between total entropy and static entropy as they are always equal by definition. As such, entropy is most commonly referred to as simply "entropy". Acoustic
Shell star (556 words) [view diff] no match in snippet view article find links to article
(1994). "Maximum-entropy maps of the Be shell star zeta Tauri from optical long-baseline interferometry". Astronomy and Astrophysics. 283: L13. Bibcode:1994A&A
Modern physics (517 words) [view diff] no match in snippet view article find links to article
Topology · space · time · energy · matter · work randomness · information · entropy · mind light · particle · wave Branches Applied · Experimental · Theoretical
List of paradoxes (7,293 words) [view diff] no match in snippet view article find links to article
paradox: In an ideal gas, is entropy an extensive variable? Loschmidt's paradox: Why is there an inevitable increase in entropy when the laws of physics are
Plasma (physics) (7,389 words) [view diff] no match in snippet view article
ISBN 978-1-4665-0990-0.  Chiuderi, C.; Velli, M. (2015). Basics of Plasma Astrophysics. Springer. p. 17. ISBN 978-88-470-5280-2.  Crookes presented a lecture
John von Neumann (16,190 words) [view diff] no match in snippet view article find links to article
quantum entropy. Quantum information theory is largely concerned with the interpretation and uses of Von Neumann entropy. The Von Neumann entropy is the
Abhas Mitra (1,779 words) [view diff] no match in snippet view article find links to article
astrophysicist best known for his distinct views on several front-line astrophysics concepts, particularly related to black holes and Big Bang cosmology
Causal sets (4,896 words) [view diff] no match in snippet view article find links to article
(Black hole entropy) D.P. Rideout, S. Zohren, Counting entropy in causal set quantum gravity ; arXiv:gr-qc/0612074v1; (Black hole entropy) D.P. Rideout
Weak gravity conjecture (81 words) [view diff] no match in snippet view article find links to article
Topology · space · time · energy · matter · work randomness · information · entropy · mind light · particle · wave Branches Applied · Experimental · Theoretical
Stellar structure (2,036 words) [view diff] no match in snippet view article find links to article
nuclear burning is not stable, or the star's core is rapidly collapsing, an entropy term must be added to the energy equation. Star portal Polytrope Scale
Aluminium monochloride (222 words) [view diff] no match in snippet view article find links to article
IRC+10216 - Detection of NaCl, AlCl, and KCl, and tentative detection of AlF". Astronomy and Astrophysics. 183 (1): L10–L12. Bibcode:1987A&A...183L..10C. 
Interstellar medium (4,268 words) [view diff] no match in snippet view article find links to article
is defined from frequency and spectral radiance by Planck’s formula. As entropy must increase, “may” becomes “does”. However, where a previously absorbed
Black-body radiation (8,615 words) [view diff] no match in snippet view article find links to article
thermal radiation. It is a spontaneous process of radiative distribution of entropy. Conversely all normal matter absorbs electromagnetic radiation to some
Propionitrile (389 words) [view diff] no match in snippet view article find links to article
Thermochemistry Specific heat capacity (C) 105.3 J K−1 mol−1 Std molar entropy (So298) 189.33 J K−1 mol−1 Std enthalpy of formation (ΔfHo298) 15.5
Gliese 581c (3,628 words) [view diff] no match in snippet view article find links to article
dated April 27, 2007, published in the July 2007 journal Astronomy and Astrophysics. At the time of discovery, it was reported to be the first potentially
Cosmic microwave background (11,252 words) [view diff] no match in snippet view article find links to article
Zeldovich, Y. B. (1972). "A hypothesis, unifying the structure and the entropy of the Universe". Monthly Notices of the Royal Astronomical Society. 160
Magnetohydrodynamics (4,448 words) [view diff] no match in snippet view article find links to article
applicable in the absence of shocks or heat conduction as it assumes that the entropy of a fluid element does not change. Ideal MHD is only strictly applicable
Calcium hydroxide (1,296 words) [view diff] no match in snippet view article find links to article
Ewine F., Molecules in Astrophysics: Probes and Processes, International Astronomical Union Symposia. Molecules in Astrophysics: Probes and Processes,
General relativity (20,100 words) [view diff] no match in snippet view article find links to article
famous. Yet the theory entered the mainstream of theoretical physics and astrophysics only with the developments between approximately 1960 and 1975, now known
Homochirality (3,268 words) [view diff] no match in snippet view article find links to article
to be a form of information storage. One suggestion is that it reduces entropy barriers in the formation of large organized molecules. It has been experimentally
Index of physics articles (B) (1,476 words) [view diff] no match in snippet view article
correction Boltzmann's entropy formula Boltzmann-Matano analysis Boltzmann Medal Boltzmann constant Boltzmann distribution Boltzmann entropy Boltzmann equation
Bernard H. Lavenda (2,195 words) [view diff] no match in snippet view article find links to article
become unstable they make transitions to kinetic branches with lower entropy production than the thermodynamic branch. This result was initially contested
Atomic physics (1,047 words) [view diff] no match in snippet view article find links to article
Topology · space · time · energy · matter · work randomness · information · entropy · mind light · particle · wave Branches Applied · Experimental · Theoretical
Sodium iodide (619 words) [view diff] no match in snippet view article find links to article
Halite Coordination geometry Octahedral Thermochemistry Std molar entropy (So298) 91 J mol−1 K−1 Std enthalpy of formation (ΔfHo298) −288 kJ mol−1
Branches of physics (1,661 words) [view diff] no match in snippet view article find links to article
as heat or work. They also postulate the existence of a quantity named entropy, which can be defined for any system. In thermodynamics, interactions between
Steven S. Vogt (983 words) [view diff] no match in snippet view article find links to article
planet outside of the Solar System. He is a professor of astronomy and astrophysics at the University of California, Santa Cruz, and is known worldwide for
Max Planck (5,321 words) [view diff] no match in snippet view article find links to article
thermodynamical formalism as Gibbs without realizing it. Clausius's ideas on entropy occupied a central role in his work. In April 1885 the University of Kiel
Magnesium monohydride (3,876 words) [view diff] no match in snippet view article find links to article
properties of the MgH gas include enthalpy of formation of 229.79 kJ mol−1, entropy 193.20 JK−1 mol−1 and heat capacity of 29.59 JK−1 mol−1. The dissociation
Outline of biophysics (1,184 words) [view diff] no match in snippet view article find links to article
changes in molecule conformation and changes in size, charge or hydration entropy. Microscopy – used in many ways, for example, to enable the use of laser
Nitroxyl (643 words) [view diff] no match in snippet view article find links to article
Thermochemistry Specific heat capacity (C) 33.88 J K−1 mol−1 Std molar entropy (So298) 220.91 J K−1 mol−1 Except where otherwise noted, data are given
Sulfur monoxide (1,068 words) [view diff] no match in snippet view article find links to article
gas Solubility in water Reacts log P 0.155 Thermochemistry Std molar entropy (So298) 221.94 J K−1 mol−1 Std enthalpy of formation (ΔfHo298) 5.01
Leticia Corral (451 words) [view diff] no match in snippet view article find links to article
of Technology of Ciudad Cuauhtémoc. Her current research focuses on astrophysics, particularly the mathematics of general relativity, black holes and
Methylidyne radical (608 words) [view diff] no match in snippet view article find links to article
Colourless gas Solubility in water Reacts Thermochemistry Std molar entropy (So298) 183.04 J K−1 mol−1 Std enthalpy of formation (ΔfHo298) 594
Pink noise (3,130 words) [view diff] no match in snippet view article find links to article
Astrophysics. 300: 707–710. Bibcode:1995A&A...300..707T.  Ovchinnikov, I.V. (2016). "Introduction to supersymmetric theory of stochastics". Entropy.
Cornelis Dirk Andriesse (1,053 words) [view diff] no match in snippet view article find links to article
by themselves cannot establish. Metatheories are not very common in astrophysics. Also fluctuations are usually ignored rather than taken as a starting
Hydrogen cyanide (3,447 words) [view diff] no match in snippet view article find links to article
Ewine F., Molecules in Astrophysics: Probes and Processes, International Astronomical Union Symposia. Molecules in Astrophysics: Probes and Processes,
Age of the universe (3,242 words) [view diff] no match in snippet view article find links to article
of thermodynamics, formalized in the mid-19th century. The concept of entropy dictates that if the universe (or any other closed system) were infinitely
Tricarbon (430 words) [view diff] no match in snippet view article find links to article
Chemical formula C3 Molar mass 36.03 g·mol−1 Thermochemistry Std molar entropy (So298) 237.27 J K−1 mol−1 Std enthalpy of formation (ΔfHo298) 820
Hydroxyl radical (3,006 words) [view diff] no match in snippet view article find links to article
diffuse clouds have been established for some works (Hartquist, Molecular Astrophysics, 1990). The •OH radical is linked with the production of H2O in molecular
Imidogen (987 words) [view diff] no match in snippet view article find links to article
vibration-rotation lines of NH and the solar nitrogen abundance". Astronomy and Astrophysics. 232: 225. Bibcode:1990A&A...232..225G. ISSN 0004-6361.  Frebel, Anna;
Sulfanyl (1,908 words) [view diff] no match in snippet view article find links to article
"Detection of the mercapto radical SH in the solar atmosphere". Astronomy and Astrophysics. 387: L6–L9. Bibcode:2002A&A...387L...6B. doi:10.1051/0004-6361:20020364
Sean M. Carroll (1,456 words) [view diff] no match in snippet view article find links to article
and the Universe Itself. Carroll received his PhD in astronomy and astrophysics in 1993 from Harvard University, where his advisor was George B. Field
Index of physics articles (J) (1,782 words) [view diff] no match in snippet view article
Torus Joint Institute for Nuclear Astrophysics Joint Institute for Nuclear Research Joint entropy Joint quantum entropy Jolly balance Jon Orloff Jonathan
Index of physics articles (L) (2,104 words) [view diff] no match in snippet view article
Linear dynamical system Linear elasticity Linear energy transfer Linear entropy Linear flow on the torus Linear motion Linear particle accelerator Linear
Redshift (9,547 words) [view diff] no match in snippet view article find links to article
above. In many circumstances scattering causes radiation to redden because entropy results in the predominance of many low-energy photons over few high-energy
Jean-Pierre Petit (8,784 words) [view diff] no match in snippet view article find links to article
magnetohydrodynamics power generation and propulsion as well as topology and astrophysics applied in cosmology. He is a pioneer in magnetohydrodynamics and has
Conversion of units (2,042 words) [view diff] no match in snippet view article find links to article
prefer the shannon to the bit as a unit for a quantity of information entropy, whereas the (discrete) storage space of digital devices is measured in
Chemistry (8,723 words) [view diff] no match in snippet view article find links to article
pollutants are degraded (ecology), the properties of the soil on the moon (astrophysics), how medications work (pharmacology), and how to collect DNA evidence
Magnetospheric eternally collapsing object (1,013 words) [view diff] no match in snippet view article find links to article
Physics)"Comments on The Euclidean gravitational action as black hole entropy, singularities, and space-time voids".  Shiga, D.; "Mysterious quasar
List of important publications in physics (12,723 words) [view diff] no match in snippet view article find links to article
application to viscosity and rubber elasticity, and an expression for the entropy gain during the coiling of linear flexible molecules. Guth, Eugene; James
Index of physics articles (M) (2,459 words) [view diff] no match in snippet view article
Maximum bubble pressure method Maximum density Maximum entropy probability distribution Maximum entropy thermodynamics Maximum power transfer theorem Maximum
Ice VII (1,171 words) [view diff] no match in snippet view article find links to article
"Free energy models for ice VII and liquid water derived from pressure, entropy, and heat capacity relations". J. Chem. Phys. 147: 084505. Bibcode:2017JChPh
Potassium cyanide (1,168 words) [view diff] no match in snippet view article find links to article
0·10−6 cm3/mol Refractive index (nD) 1.410 Thermochemistry Std molar entropy (So298) 127.8 J K−1 mol−1 Std enthalpy of formation (ΔfHo298) −131
Particle physics (2,951 words) [view diff] no match in snippet view article find links to article
Springer. pp. 313–314. ISBN 978-94-007-2463-1.  "Particle Physics and Astrophysics Research". The Henryk Niewodniczanski Institute of Nuclear Physics. Retrieved
Acetonitrile (1,586 words) [view diff] no match in snippet view article find links to article
Thermochemistry Specific heat capacity (C) 91.69 J/(K·mol) Std molar entropy (So298) 149.62 J/(K·mol) Std enthalpy of formation (ΔfHo298) 40.16–40
Paul Steinhardt (6,472 words) [view diff] no match in snippet view article find links to article
Science. Steinhardt's research has spanned problems in particle physics, astrophysics, cosmology, condensed matter physics, geoscience and photonics. In cosmology
Anthracene (970 words) [view diff] no match in snippet view article find links to article
Thermochemistry Specific heat capacity (C) 210.5 J/(mol·K) Std molar entropy (So298) 207.5 J/(mol·K) Std enthalpy of formation (ΔfHo298) 129.2 kJ/mol
Silane (2,136 words) [view diff] no match in snippet view article find links to article
r(Si-H) = 1.4798 angstroms Dipole moment 0 D Thermochemistry Std molar entropy (So298) 204.6 J mol−1 K−1 Std enthalpy of formation (ΔfHo298) 34.31kJ/mol
Sodium cyanide (682 words) [view diff] no match in snippet view article find links to article
Thermochemistry Specific heat capacity (C) 70.4 J/mol K Std molar entropy (So298) 115.7 J/mol K Std enthalpy of formation (ΔfHo298) -91 kJ/mol
Theory of everything (6,156 words) [view diff] no match in snippet view article find links to article
"Gravitational Wave Astronomy". The Origin of Black Hole Entropy in String Theory. Astrophysics and Space Science Library. 211. p. 95. arXiv:gr-qc/9604051 
Cyanogen (1,041 words) [view diff] no match in snippet view article find links to article
cm3/mol Refractive index (nD) 1.327 (18 °C) Thermochemistry Std molar entropy (So298) 241.57 J K−1 mol−1 Std enthalpy of formation (ΔfHo298) 309
Objections to evolution (16,860 words) [view diff] no match in snippet view article find links to article
because the enormous increase in entropy due to the Sun and Earth radiating into space dwarfs the local decrease in entropy caused by the existence and evolution
Dynamo theory (3,583 words) [view diff] no match in snippet view article find links to article
(March 2016). "Introduction to Supersymmetric Theory of Stochastics". Entropy. 18 (4): 108. arXiv:1511.03393 . Bibcode:2016Entrp..18..108O. doi:10.3390/e18040108
Hydrogen chloride (2,145 words) [view diff] no match in snippet view article find links to article
Thermochemistry Specific heat capacity (C) 0.7981 J K−1 g−1 Std molar entropy (So298) 186.902 J K−1 mol−1 Std enthalpy of formation (ΔfHo298)  –92
Carbonyl sulfide (1,362 words) [view diff] no match in snippet view article find links to article
Thermochemistry Specific heat capacity (C) 41.5 J/mol K Std molar entropy (So298) 231.5 J/mol K Std enthalpy of formation (ΔfHo298) -141.8 kJ/mol
Scandium (2,932 words) [view diff] no match in snippet view article find links to article
Douglas L. Irvingb & Carl C. Koch "A Novel Low-Density, High-Hardness, High-entropy Alloy with Close-packed Single-phase Nanocrystalline Structures" DOI: 10
Acetic acid (6,382 words) [view diff] no match in snippet view article find links to article
enthalpy of the dimer is estimated at 65.0–66.0 kJ/mol, and the dissociation entropy at 154–157 J mol−1 K−1. Other carboxylic acids engage in similar intermolecular
Abiogenesis (29,008 words) [view diff] no match in snippet view article find links to article
thermodynamics requires that the Universe move in a direction in which entropy increases, yet life is distinguished by its great degree of organization
Planetary migration (4,673 words) [view diff] no match in snippet view article find links to article
locally isothermal disks, outward migration may occur in disks that possess entropy gradients. During the late phase of planetary system formation, massive
Methylene (compound) (1,147 words) [view diff] no match in snippet view article
Colourless gas Solubility in water Reacts Thermochemistry Std molar entropy (So298) 193.93 J K−1 mol−1 Std enthalpy of formation (ΔfHo298) 386
Hydrogen fluoride (1,881 words) [view diff] no match in snippet view article find links to article
Molecular shape Linear Dipole moment 1.86 D Thermochemistry Std molar entropy (So298) 8.687 J/g K (gas) Std enthalpy of formation (ΔfHo298) −13.66
Sodium chloride (2,942 words) [view diff] no match in snippet view article find links to article
Thermochemistry Specific heat capacity (C) 36.79 J/(K·mol) Std molar entropy (So298) 72.11 J/(K·mol) Std enthalpy of formation (ΔfHo298) −411.12
Acetone (3,697 words) [view diff] no match in snippet view article find links to article
Thermochemistry Specific heat capacity (C) 125.45 J/(mol·K) Std molar entropy (So298) 200.4 J/(mol·K) Std enthalpy of formation (ΔfHo298) (−250.03) – (−248
Phosphine (2,558 words) [view diff] no match in snippet view article find links to article
D Thermochemistry Specific heat capacity (C) 37 J/mol K Std molar entropy (So298) 210 J·mol−1·K−1 Std enthalpy of formation (ΔfHo298) 5 kJ·mol−1
Sulfur dioxide (3,981 words) [view diff] no match in snippet view article find links to article
Molecular shape Dihedral Dipole moment 1.62 D Thermochemistry Std molar entropy (So298) 248.223 J K−1 mol−1 Std enthalpy of formation (ΔfHo298) −296
Ammonia (12,341 words) [view diff] no match in snippet view article find links to article
dissociative recombination of NH4+ and NH2+ molecular ions". Astronomy and Astrophysics. 344: 1027. Bibcode:1999A&A...344.1027V.  van Dishoeck, E. F.; Black
Cosmological constant (2,907 words) [view diff] no match in snippet view article find links to article
cosmological constant has surprising consequences, such as a finite maximum entropy of the observable universe (see the holographic principle). A major
Nitric oxide (1,667 words) [view diff] no match in snippet view article find links to article
Molecular shape linear (point group C∞v) Thermochemistry Std molar entropy (So298) 210.76 J K−1 mol−1 Std enthalpy of formation (ΔfHo298) 91.29
Amino radical (1,691 words) [view diff] no match in snippet view article find links to article
formula NH 2• Molar mass 16.0226 g mol−1 Thermochemistry Std molar entropy (So298) 194.71 J K−1 mol−1 Std enthalpy of formation (ΔfHo298) 190
Index of physics articles (H) (1,817 words) [view diff] no match in snippet view article
Hartree–Fock method Harvard Project Physics Harvard–Smithsonian Center for Astrophysics Harvey Einbinder Harvey Fletcher Hasegawa–Mima equation Hassan Aref Hassan
Index of physics articles (N) (1,472 words) [view diff] no match in snippet view article
Plasma Dynamics Laboratory Nonequilibrium partition identity Nonextensive entropy Nonholonomic system Nonimaging optics Nonlinear acoustics Nonlinear control
Acetylene (3,205 words) [view diff] no match in snippet view article find links to article
cm3/mol Structure Molecular shape Linear Thermochemistry Std molar entropy (So298) 201 J/(mol·K) Std enthalpy of formation (ΔfHo298) +226.88 kJ/mol
Gliese 581g (4,979 words) [view diff] no match in snippet view article find links to article
led by principal investigator Steven Vogt, professor of astronomy and astrophysics at the University of California, Santa Cruz, and co-investigator R. Paul
Venus (11,079 words) [view diff] no match in snippet view article find links to article
Withers, Paul G.; McKay, Christopher P. (2001). "Titan, Mars and Earth: Entropy Production by Latitudinal Heat Transport" (PDF). Ames Research Center,
Index of physics articles (P) (2,638 words) [view diff] no match in snippet view article
Particle acceleration Particle accelerator Particle aggregation Particle astrophysics Particle beam Particle counter Particle decay Particle detector Particle
Naphthalene (3,160 words) [view diff] no match in snippet view article find links to article
Thermochemistry Specific heat capacity (C) 165.72 J/mol·K Std molar entropy (So298) 167.39 J/mol·K Std enthalpy of formation (ΔfHo298) 78.53 kJ/mol
Formic acid (3,107 words) [view diff] no match in snippet view article find links to article
shape Planar Dipole moment 1.41 D (gas) Thermochemistry Std molar entropy (So298) 131.8 J/mol K Std enthalpy of formation (ΔfHo298) −425.0 kJ/mol
Acetaldehyde (4,483 words) [view diff] no match in snippet view article find links to article
tetrahedral (sp³) at C2 Dipole moment 2.7 D Thermochemistry Std molar entropy (So298) 250 J·mol−1·K−1 Std enthalpy of formation (ΔfHo298) −166 kJ·mol−1
Max Planck Institute for Dynamics and Self-Organization (1,468 words) [view diff] no match in snippet view article find links to article
includes open systems, which are characterized by dissipation of energy and entropy production. Pattern forming systems are particularly interesting, and the
Electromagnetic radiation (9,927 words) [view diff] no match in snippet view article find links to article
heat, since it has an equivalent temperature and is associated with an entropy change per unit of thermal energy. However, "heat" is a technical term
Factor analysis (8,523 words) [view diff] no match in snippet view article find links to article
Principles of oblique rotation can be derived from both cross entropy and its dual entropy. Communality: The sum of the squared factor loadings for all
Methane (4,701 words) [view diff] no match in snippet view article find links to article
Thermochemistry Specific heat capacity (C) 35.69 J·(K·mol)−1 Std molar entropy (So298) 186.25 J·(K·mol)−1 Std enthalpy of formation (ΔfHo298) −74
Sodium hydroxide (5,147 words) [view diff] no match in snippet view article find links to article
Safety and Health (NIOSH).  P. R. Siemens, William F. Giauque (1969): "Entropies of the hydrates of sodium hydroxide. II. Low-temperature heat capacities
Glossary of physics (8,377 words) [view diff] no match in snippet view article find links to article
temperature. More formally, it is the theoretical temperature at which entropy reaches its minimum value. Absorption spectroscopy – Absorptivity – Accelerating
Life (14,597 words) [view diff] no match in snippet view article find links to article
Biophysicists have commented that living things function on negative entropy. In other words, living processes can be viewed as a delay of the spontaneous
Antimatter (6,564 words) [view diff] no match in snippet view article find links to article
Topology · space · time · energy · matter · work randomness · information · entropy · mind light · particle · wave Branches Applied · Experimental · Theoretical
Chronology of the universe (9,272 words) [view diff] no match in snippet view article find links to article
year) Cyclic model Dark-energy-dominated era Dyson's eternal intelligence Entropy (arrow of time) Graphical timeline from Big Bang to Heat Death Graphical
Anthropic principle (8,704 words) [view diff] no match in snippet view article find links to article
origin, must include the assumption that at the initial singularity, the entropy of the universe was low and therefore extremely improbable. Paul Davies
Hydrogen sulfide (5,216 words) [view diff] no match in snippet view article find links to article
Thermochemistry Specific heat capacity (C) 1.003 J K−1 g−1 Std molar entropy (So298) 206 J mol−1 K−1 Std enthalpy of formation (ΔfHo298) −21 kJ
Zero-point energy (26,858 words) [view diff] no match in snippet view article find links to article
in a closed linear system entropy flow can only be positive (or exactly zero at the end of a cycle). However, negative entropy (i.e. increased order, structure
Max von Laue (4,361 words) [view diff] no match in snippet view article find links to article
assistant to Planck until 1909. In Berlin, he worked on the application of entropy to radiation fields and on the thermodynamic significance of the coherence
Systems theory (5,014 words) [view diff] no match in snippet view article find links to article
Operationalization Feedback Self-reference Goal-oriented System dynamics Sensemaking Entropy Cybernetics Autopoiesis Information theory Computation theory Complexity
Ethylene (4,599 words) [view diff] no match in snippet view article find links to article
Molecular shape D2h Dipole moment zero Thermochemistry Std molar entropy (So298) 219.32 J·K−1·mol−1 Std enthalpy of formation (ΔfHo298) +52
Potassium chloride (1,681 words) [view diff] no match in snippet view article find links to article
geometry Octahedral (K+) Octahedral (Cl−) Thermochemistry Std molar entropy (So298) 83 J·mol−1·K−1 Std enthalpy of formation (ΔfHo298) −436 kJ·mol−1
Shocks and discontinuities (magnetohydrodynamics) (1,537 words) [view diff] no match in snippet view article
fast-mode shocks are compressive and are associated with an increase in entropy. Across slow-mode shock, the tangential component of the magnetic field
Planck's law (16,356 words) [view diff] no match in snippet view article find links to article
hole. Just as the Maxwell–Boltzmann distribution is the unique maximum entropy energy distribution for a gas of material particles at thermal equilibrium
Titanium dioxide (5,225 words) [view diff] no match in snippet view article find links to article
(anatase) 2.583 (brookite) 2.609 (rutile) Thermochemistry Std molar entropy (So298) 50 J·mol−1·K−1 Std enthalpy of formation (ΔfHo298) −945 kJ·mol−1
Equipartition theorem (11,728 words) [view diff] no match in snippet view article find links to article
density of states. By the usual definitions of statistical mechanics, the entropy S equals kB log Ω(E), and the temperature T is defined by
List of scientific publications by Albert Einstein (4,081 words) [view diff] no match in snippet view article find links to article
field theory of gravitation that provides the cornerstone for modern astrophysics and cosmology. General relativity is based on the surprising idea that
Micro black hole (3,266 words) [view diff] no match in snippet view article find links to article
thermodynamic description breaks down. Such a micro black hole would also have an entropy of only 4π nats, approximately the minimum possible value. At this point
Benzene (7,968 words) [view diff] no match in snippet view article find links to article
Thermochemistry Specific heat capacity (C) 134.8 J/mol·K Std molar entropy (So298) 173.26 J/mol·K Std enthalpy of formation (ΔfHo298) 48.7 kJ/mol
Science (14,513 words) [view diff] no match in snippet view article find links to article
cumulative energy quality of the universe is seen as constantly declining: the entropy of the universe increases over time. The electromagnetic theory was also
Quantum mechanics (12,360 words) [view diff] no match in snippet view article find links to article
Topology · space · time · energy · matter · work randomness · information · entropy · mind light · particle · wave Branches Applied · Experimental · Theoretical
Magnetic field (11,188 words) [view diff] no match in snippet view article find links to article
alphabet. See Ralph Baierlein (2000). "Answer to Question #73. S is for entropy, Q is for charge". American Journal of Physics. 68 (8): 691. Bibcode:2000AmJPh
Radioactive decay (9,844 words) [view diff] no match in snippet view article find links to article
energy. A disturbance would thus facilitate the path to a state of greater entropy; the system will move towards the ground state, producing heat, and the
Chaos theory (10,205 words) [view diff] no match in snippet view article find links to article
(March 2016). "Introduction to Supersymmetric Theory of Stochastics". Entropy. 18 (4): 108. arXiv:1511.03393 . Bibcode:2016Entrp..18..108O. doi:10.3390/e18040108
Subir Sachdev (7,417 words) [view diff] no match in snippet view article find links to article
tabletop experiments), and quantum entanglement near black holes of astrophysics. This connection is most clearly seen by first thinking more carefully
Physics beyond the Standard Model (4,412 words) [view diff] no match in snippet view article find links to article
PMID 19865083.  Maldacena, J.; Strominger, A.; Witten, E. (1997). "Black hole entropy in M-Theory". Journal of High Energy Physics. 1997 (12): 2. arXiv:hep-th/9711053 
Carbon dioxide (11,102 words) [view diff] no match in snippet view article find links to article
Thermochemistry Specific heat capacity (C) 37.135 J/K mol Std molar entropy (So298) 214 J·mol−1·K−1 Std enthalpy of formation (ΔfHo298) −393.5 kJ·mol−1
Ethylene oxide (10,582 words) [view diff] no match in snippet view article find links to article
Thermochemistry Specific heat capacity (C) 47.9 J·mol−1·K−1 Std molar entropy (So298) 242.5 J·mol−1·K−1 Std enthalpy of formation (ΔfHo298) −52.6 kJ·mol−1
Ozone (11,395 words) [view diff] no match in snippet view article find links to article
Hybridisation sp2 for O1 Dipole moment 0.53 D Thermochemistry Std molar entropy (So298) 238.92 J K−1 mol−1 Std enthalpy of formation (ΔfHo298) 142
Nitrous oxide (9,146 words) [view diff] no match in snippet view article find links to article
shape linear, C∞v Dipole moment 0.166 D Thermochemistry Std molar entropy (So298) 219.96 J K−1 mol−1 Std enthalpy of formation (ΔfHo298) +82
Index of physics articles (S) (3,264 words) [view diff] no match in snippet view article
Standard gravitational parameter Standard linear solid model Standard molar entropy Standard ruler Standard solar model Standing wave Stanford E. Woosley Stanford
Navier–Stokes equations (10,842 words) [view diff] no match in snippet view article find links to article
method". Published by Dr. TM Shah; republished by The Smithsonian/NASA Astrophysics Data System. Retrieved 8 January 2013.  Wang, C. Y. (1991), "Exact solutions
History of physics (12,356 words) [view diff] no match in snippet view article find links to article
increasingly likely, increasingly disorganized states (coining the term "entropy" to describe the disorganization of a state). The statistical versus absolute
Many-worlds interpretation (11,439 words) [view diff] no match in snippet view article find links to article
". Eighth Canadian conference on general relativity and relativistic astrophysics. 493: 225. arXiv:gr-qc/0001001 . Bibcode:1999AIPC..493..225P. doi:10
Creation science (10,599 words) [view diff] no match in snippet view article find links to article
over time through evolution is not possible due to the law of increasing entropy; that it is impossible that the mechanism of natural selection could account
Glossary of environmental science (16,856 words) [view diff] no match in snippet view article find links to article
flexible material and usually used as film for packaging or as bags. low entropy energy - to high-quality energy, or energy that is concentrated and available
List of Russian scientists (9,557 words) [view diff] no match in snippet view article find links to article
inventor of combinatory logic Yakov Sinai, developed the Kolmogorov–Sinai entropy and Sinai billiard, Wolf Prize and Abel Prize winner Eugen Slutsky, statistician
2014 in science (24,675 words) [view diff] no match in snippet view article find links to article
weapon designed to protect ships without using ammunition. A new "high-entropy" metal alloy has been developed with a higher strength-to-weight ratio
List of Russian people (22,178 words) [view diff] no match in snippet view article find links to article
inventor of combinatory logic Yakov Sinai, developed the Kolmogorov–Sinai entropy and Sinai billiard, Wolf and Abel Prize winner Stanislav Smirnov, prominent
Taylor's law (13,787 words) [view diff] no match in snippet view article find links to article
that suggested that Fronczak and Fronczak had possibly provided a maximum entropy derivation of these distributions. Taylor's law has been shown to hold