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≘ 2 625.499 639 4799 (50) kJ/mol ≘ 627.509 474 0631 (12) kcal/mol ≘ 219 474.631 363 20 (43) cm −1 ≘ 6 579.683 920 502 (13) THz. where: ħ is the reduced Planck constant, m e is the electron mass, e is the elementary charge, a 0 is the Bohr radius, ε 0 is the electric constant, c is the speed of light in vacuum, and; α is the fine ...
default conversion combinations SI: yottajoule: YJ YJ 1.0 ... kcal kcal 1.0 kcal (4.2 kJ) ... Hartree: Eh (Hartree) E h: 1.0 ...
kT (also written as k B T) is the product of the Boltzmann constant, k (or k B), and the temperature, T.This product is used in physics as a scale factor for energy values in molecular-scale systems (sometimes it is used as a unit of energy), as the rates and frequencies of many processes and phenomena depend not on their energy alone, but on the ratio of that energy and kT, that is, on E ...
Hartree defined units based on three physical constants: [1]: 91 Both in order to eliminate various universal constants from the equations and also to avoid high powers of 10 in numerical work, it is convenient to express quantities in terms of units, which may be called 'atomic units', defined as follows:
The kilocalorie per mole is a unit to measure an amount of energy per number of molecules, atoms, or other similar particles. It is defined as one kilocalorie of energy (1000 thermochemical gram calories) per one mole of substance. The unit symbol is written kcal/mol or kcal⋅mol −1. As typically measured, one kcal/mol represents a ...
To convert from / to /, multiply by 100. To convert from / ... 1 dm 3 /mol = 1 L/mol = 1 m 3 /kmol = 0.001 m 3 /mol (where kmol is kilomoles = 1000 moles) References
(per mole N atoms) 2.79 Zhang et al. 5.58 8 O oxygen (O 2 ... Values refer to the enthalpy change in the conversion of liquid to gas at the boiling point (normal, 101
The conversion procedure for some units (for example, the Mach unit of speed) are built into Module:Convert as they are too complex to be specified in a table. That is indicated by entering a code (which must be the same as used in the module) in the Extra column.