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searching for Entropy (astrophysics) 171 found (175 total)

alternate case: entropy (astrophysics)

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
De Laval nozzle (1,105 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 the gas is incompressible, and
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)
Polytropic process (825 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. 
Shock wave (3,710 words) [view diff] no match in snippet view article find links to article
aircraft. When a shock wave passes through matter, energy is preserved but entropy increases. This change in the matter's properties manifests itself as a
Hydrogen anion (406 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
Cosmology (1,929 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 (796 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) (1,127 words) [view diff] no match in snippet view article
arXiv:hep-th/9306083 . doi:10.1103/PhysRevLett.71.3743.  Page, Don N. (1993). "Average entropy of a subsystem". Phys. Rev. Lett. 71: 1291. Bibcode:1993PhRvL..71.1291P
List of interstellar and circumstellar molecules (8,364 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
Kip Thorne (3,287 words) [view diff] no match in snippet view article find links to article
physicist, known for his contributions in gravitational physics and astrophysics. A longtime friend and colleague of Stephen Hawking and Carl Sagan, he
Galaxy groups and clusters (1,356 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
Black hole (13,524 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
Inflation (cosmology) (11,968 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 (808 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
Temperature (11,267 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 (1,528 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 its (the black hole's) event horizon
Rossby wave instability in astrophysical discs (1,583 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
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
Outline of physics (3,527 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
Big Bang (12,045 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
Weyl curvature hypothesis (536 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
Amino radical (57 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 (T) (2,024 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
Fluid mechanics (2,313 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
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 (5,010 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
Plasma (physics) (6,362 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
Aluminium monochloride (162 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. 
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 (2,796 words) [view diff] no match in snippet view article find links to article
as of 2007. As of 2007, there is almost universal agreement in the astrophysics community that the long-duration bursts are associated with the deaths
Abhas Mitra (1,544 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
Hawking radiation (6,444 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
GADGET (427 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"
Thermodynamic equilibrium (7,335 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
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 (6,988 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
Continuum mechanics (7,787 words) [view diff] no match in snippet view article find links to article
interest in this case is the entropy. Thus, we assume that there is an entropy flux, an entropy source, and an internal entropy density per unit mass (
Future of an expanding universe (4,431 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
Physics (8,082 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
Index of physics articles (B) (1,478 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
Pressure (4,933 words) [view diff] no match in snippet view article find links to article
Values of Quantities, Sect. 7.4. "Einstein's gravity under pressure". Astrophysics and Space Science. 321: 151–156. doi:10.1007/s10509-009-0016-8. Retrieved
Thermodynamic temperature (11,295 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
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 (514 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
Fluid dynamics (4,182 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
Causal sets (4,856 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
List of paradoxes (7,159 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
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
Interstellar medium (4,181 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
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 (3,586 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
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
Cosmic microwave background (11,070 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
Loop quantum gravity (20,772 words) [view diff] no match in snippet view article find links to article
hence, it has no entropy. It appears, then, that one can violate the second law of thermodynamics by dropping an object with nonzero entropy into a black
Magnetohydrodynamics (4,310 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 (1,301 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 (19,659 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 (2,703 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
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 (1,138 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
Branches of physics (1,663 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
Black-body radiation (8,485 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
Sodium cyanide (678 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
Weak gravity conjecture (83 words) [view diff] no match in snippet view article find links to article
chaos Emergence · Complex systems Black holes · Holographic principle Astrophysics · Observable universe Big Bang · Cosmology Theories of gravitation ·
Sodium iodide (627 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
Max Planck (5,123 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
Steven S. Vogt (944 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
Magnesium monohydride (3,868 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 (1,183 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
Pink noise (2,995 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.
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
Methylene (compound) (1,162 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
Methylidyne radical (608 words) [view diff] no match in snippet view article find links to article
Related Abiogenesis Astrobiology Astrochemistry Atomic and molecular astrophysics Chemical formula Circumstellar envelope Cosmic dust Cosmic ray Cosmochemistry
Sean M. Carroll (1,419 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
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 (3,273 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,
Conversion of units (2,028 words) [view diff] no match in snippet view article find links to article
information entropy. The multiples of a bit listed above are usually used with this meaning. Other times the bit is used as a measure of information entropy and
Dynamo theory (2,611 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. doi:10.3390/e18040108.  Parker, Eugene N. (September 1955)
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 (2,995 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
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
Index of physics articles (J) (1,781 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
Chronology of the universe (5,285 words) [view diff] no match in snippet view article find links to article
into photons., §IV, §VF. In this case, the universe has reached a high-entropy state consisting of a bath of particles and low-energy radiation. It is
Redshift (9,490 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
Magnetospheric eternally collapsing object (992 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 (12,810 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) (2,463 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
Jean-Pierre Petit (8,681 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
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
Potassium cyanide (1,101 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
Acetonitrile (1,553 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
Particle physics (2,940 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
Silane (2,036 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
Anthracene (936 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
Paul Steinhardt (6,470 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
Theory of everything (6,039 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. ISBN 978-94-010-6455-2
Objections to evolution (16,847 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
Sulfanyl (1,904 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
Planetary migration (4,526 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
Acetic acid (6,413 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 lower carboxylic acids dimerize in a similar
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
Sodium chloride (3,086 words) [view diff] no match in snippet view article find links to article
Thermochemistry Specific heat capacity (C) 36.79 J K−1 mol−1 Std molar entropy (So298) 72.11 J K−1 mol−1 Std enthalpy of formation (ΔfHo298) −411
Abiogenesis (27,572 words) [view diff] no match in snippet view article find links to article
maximum entropy production, Chem. Phys. Lett. 430, 177-182. Unrean, P., Srienc, F. (2011) Metabolic networks evolve towards states of maximum entropy production
Scandium (2,810 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
Carbonyl sulfide (1,328 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
Hydrogen chloride (2,162 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
Nitroxyl (542 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
Age of the universe (3,018 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
Hydrogen fluoride (1,884 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
Ammonia (12,063 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
Phosphine (2,672 words) [view diff] no match in snippet view article find links to article
Trigonal pyramidal Dipole moment 0.58 D Thermochemistry Std molar entropy (So298) 210 J·mol−1·K−1 Std enthalpy of formation (ΔfHo298) 5 kJ·mol−1
Acetone (3,662 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
Sulfur dioxide (3,908 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
Methane (8,415 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,
Index of physics articles (H) (1,813 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
Acetylene (3,189 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−1·K−1 Std enthalpy of formation (ΔfHo298) +226.88
Micro black hole (2,937 words) [view diff] no match in snippet view article find links to article
thermodynamic description breaks down. Such a mini-black hole would also have an entropy of only 4π nats, approximately the minimum possible value. At this point
Index of physics articles (P) (2,639 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
Formic acid (2,818 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
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
Venus (10,837 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,
Max Planck Institute for Dynamics and Self-Organization (1,447 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
Acetaldehyde (4,428 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
Electromagnetic radiation (9,337 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 (8,465 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
Life (13,529 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
Sodium hydroxide (5,023 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
John von Neumann (14,810 words) [view diff] no match in snippet view article find links to article
architecture Von Neumann bicommutant theorem Von Neumann conjecture Von Neumann entropy Von Neumann programming languages Von Neumann regular ring Von Neumann
Anthropic principle (8,437 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
Antimatter (6,121 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
Gliese 581g (4,888 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
Quantum mechanics (11,980 words) [view diff] no match in snippet view article find links to article
chaos Emergence · Complex systems Black holes · Holographic principle Astrophysics · Observable universe Big Bang · Cosmology Theories of gravitation ·
Max von Laue (4,344 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
Potassium chloride (1,485 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
Zero-point energy (25,944 words) [view diff] no match in snippet view article find links to article
a closed linear system entropy flow can be only be positive (or exactly zero at the end of a cycle). However, negative entropy (i.e. increased order,
Planck's law (16,370 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
Ethylene (4,719 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
Titanium dioxide (5,772 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
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
Glossary of chemistry terms (3,346 words) [view diff] no match in snippet view article find links to article
of the total energy of a thermodynamic system (usually symbolized as H) entropy – the amount of energy not available for work in a closed thermodynamic
Equipartition theorem (11,731 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
Stephen Hawking in popular culture (5,032 words) [view diff] no match in snippet view article find links to article
authority/because kicking their punk asses be my paramount priority") and "Entropy" ("You down with entropy?") The success of the MC Hawking amongst internet users eventually
Radioactive decay (9,717 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
Glossary of artificial intelligence (770 words) [view diff] no match in snippet view article find links to article
Paleoecology Palynology Pedology Volcanology Space science Astronomy Astrophysics Cosmology Galactic astronomy Planetary geology Planetary science Stellar
Subir Sachdev (6,944 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
Glossary of physics (7,937 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
Chaos theory (9,363 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. doi:10.3390/e18040108.  Ovchinnikov, I.V.; Schwartz, R.
Benzene (7,700 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
Physics beyond the Standard Model (4,382 words) [view diff] no match in snippet view article find links to article
1038/nature08574.  Maldacena, J.; Strominger, A.; Witten, E. (1997). "Black hole entropy in M-Theory". Journal of High Energy Physics. 1997 (12): 2. Bibcode:1997JHEP
Artificial intelligence (19,211 words) [view diff] no match in snippet view article find links to article
Paleoecology Palynology Pedology Volcanology Space science Astronomy Astrophysics Cosmology Galactic astronomy Planetary geology Planetary science Stellar
Carbon dioxide (10,747 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
Hydrogen sulfide (7,581 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
Ethylene oxide (10,082 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
Nitrous oxide (9,207 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
Nitric oxide (5,941 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
Ozone (10,919 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
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 (10,012 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
Michael Persinger (4,426 words) [view diff] no match in snippet view article find links to article
Casimir-Magnetic Transformations from Vacuum Oscillations (Virtual Particles)". Entropy.  Murugan, Nirosha J. (2015). "Delayed Shifts in pH Responses to Weak
Creation science (10,580 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
History of physics (14,875 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
List of Russian scientists (9,431 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 (24,464 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 (22,059 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
Mint-wigris (3,828 words) [view diff] no match in snippet view article find links to article
relativity, electromagnetic interaction (wave character), (inner space) entropy, Schwarzschild radius and barycentrical mass (particle character, general
BKL singularity (14,366 words) [view diff] no match in snippet view article find links to article
σ are the densities of energy and entropy of matter. For the ultrarelativistic equation of state p = ε/3 the entropy σ ~ ε1/4. The major terms in eq. 17
Taylor's law (13,586 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