The molar gas constant (also known as the gas constant, universal gas constant, or ideal gas constant) is denoted by the symbol R or R. It is the molar...

The Boltzmann constant (kB or k) is the proportionality factor that relates the average relative thermal energy of particles in a gas with the thermodynamic...

n} is the amount of substance; and R {\displaystyle R} is the ideal gas constant. It can also be derived from the microscopic kinetic theory, as was achieved...

volume of a gas to the amount of substance of gas present. Avogadro's law states that: The volume occupied by an ideal gas at a constant temperature is...

Charles's law, the volume of gas is directly proportional to the temperature of that gas, when its pressure and mass are kept constant; that is, V ∝ T {\displaystyle...

additive constant. The ideal quantum Boltzmann gas overcomes this limitation by taking the limit of the quantum Bose gas and quantum Fermi gas in the limit...

Avogadro constant, NA, by n 0 = p 0 N A R T 0 , {\displaystyle n_{0}={\frac {p_{0}N_{\rm {A}}}{R\,T_{0}}},} where p0 is the pressure, R is the gas constant, and...

temperature constant. He observed that when the pressure was increased in the gas, by adding more mercury to the column, the trapped gas' volume decreased...

monatomic gas is 3 2 k B T N A = 3 2 R T {\displaystyle {\frac {3}{2}}k_{\text{B}}TN_{\text{A}}={\frac {3}{2}}RT} , where R is the gas constant. In an adiabatic...

biochemical literature, as equilibrium constants. For an equilibrium mixture of gases, an equilibrium constant can be defined in terms of partial pressure...

K_{\text{f}}={\frac {RMT_{\text{f}}^{2}}{1000\Delta H_{\text{fus}}}}} R is the ideal gas constant. M is the molar mass of the solvent. Tf is the freezing point of the...

where h is the Planck constant and R the molar gas constant. As useful rules of thumb, a first-order reaction with a rate constant of 10−4 s−1 will have...

substance, especially a gas, may be significantly higher when it is allowed to expand as it is heated (specific heat capacity at constant pressure) than when...

capacity (heat capacity per unit mass) of a gas. The suffixes P and V refer to constant-pressure and constant-volume conditions respectively. The heat capacity...

such constants is also such a constant, such as the molar gas constant R {\displaystyle R} . List of mathematical constants Mathematical constant Physical...

the ratio of specific heats at constant pressure and at constant volume (γ = ⁠Cp/Cv⁠) and P is the pressure of the gas. For a closed system, one may write...

applies to vaporization of liquids where vapor follows ideal gas law using the ideal gas constant R {\displaystyle R} and liquid volume is neglected as being...

excess dissolved gas is carried away by the blood and released into the lung gas. There are many ways to define the proportionality constant of Henry's law...

The Loschmidt constant or Loschmidt's number (symbol: n0) is the number of particles (atoms or molecules) of an ideal gas per volume (the number density)...

calculated from the measured value of the gas constant. The numerical value of the Stefan–Boltzmann constant is different in other systems of units, as...

090 ft or 6.8 mi). From 11 km up to 20 km (65,620 ft or 12.4 mi), the constant temperature is −56.5 °C (−69.7 °F), which is the lowest assumed temperature...

{\displaystyle T} , absolute temperature (K) R {\displaystyle R} is the gas constant, 8.31446261815324 in J⋅K−1⋅mol−1 M {\displaystyle M} is the molar mass...

the volume and amount (moles) of the gas are directly proportional if the temperature and pressure are constant. The law is named after Amedeo Avogadro...

the ith species, c is the concentration (mol/m3), R is the universal gas constant (J/K/mol), T is the absolute temperature (K), μ is the chemical potential...

simpler kinetic theory of gases, we expect the heat capacity of a monatomic ideal gas to be constant, since for such a gas only kinetic energy contributes...

gas equals cv T, where T is absolute temperature and the specific heat at constant volume is cv = (f)(R/2). R = 8.314 J/(K mol) is the universal gas constant...

between the molar heat capacity at constant pressure and the molar heat capacity at constant volume for an ideal gas. Mayer's relation states that C P...

In chemistry, an acid dissociation constant (also known as acidity constant, or acid-ionization constant; denoted ⁠ K a {\displaystyle K_{a}} ⁠) is a...

after Frederick Thomas Trouton. It is expressed as a function of the gas constant R: Δ S ¯ vap ≈ 10.5 R . {\displaystyle \Delta {\bar {S}}_{\text{vap}}\approx...

{\displaystyle n} is the number of moles of the gas, R {\displaystyle R} is the universal gas constant, γ {\displaystyle \gamma } is the heat capacity...