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These tables list values of molar ionization energies, measured in kJ⋅mol −1. This is the energy per mole necessary to remove electrons from gaseous atoms or atomic ions. The first molar ionization energy applies to the neutral atoms.
The joule per mole (symbol: J·mol −1 or J/mol) is the unit of energy per amount of substance in the International System of Units (SI), such that energy is measured in joules, and the amount of substance is measured in moles. It is also an SI derived unit of molar thermodynamic energy defined as the energy equal to one joule in one mole of ...
J/(mol K) Heat capacity c p? J/(mol K) Liquid properties Std enthalpy change of formation Δ f H o liquid: −483.5 kJ/mol Standard molar entropy S o liquid: 158.0 J/(mol K) Enthalpy of combustion, Δ c H o –876.1 kJ/mol Heat capacity c p: 123.1 J/(mol K) Gas properties Std enthalpy change of formation Δ f H o gas –438.1 kJ/mol Standard ...
The SI unit of molar heat capacity heat is joule per kelvin per mole (J/(K⋅mol), J/(K mol), J K −1 mol −1, etc.). Since an increment of temperature of one degree Celsius is the same as an increment of one kelvin, that is the same as joule per degree Celsius per mole (J/(°C⋅mol)). In chemistry, heat amounts are still often measured in ...
1.7×10 −21 J 1 kJ/mol, converted to energy per molecule [9] 2.1×10 −21 J Thermal energy in each degree of freedom of a molecule at 25 °C (kT/2) (0.01 eV) [10] 2.856×10 −21 J By Landauer's principle, the minimum amount of energy required at 25 °C to change one bit of information 3–7×10 −21 J
J/(mol K) Liquid properties Std enthalpy change of formation, Δ f H o liquid? kJ/mol Standard molar entropy, S o liquid? J/(mol K) Heat capacity, c p? J/(mol K) Gas properties Std enthalpy change of formation, Δ f H o gas: −110.53 kJ/mol Std enthalpy change of combustion, Δ c H o gas: −283.0 kJ/mol Standard molar entropy, S o gas: 197.66 ...
It is 35.5 J⋅K −1 ⋅mol −1 at 1500 °C, 36.9 at 2500 °C, and 37.5 at 3500 °C. [29] The last value corresponds almost exactly to the value predicted by the Equipartition Theorem, since in the high-temperature limit the theorem predicts that the vibrational degree of freedom contributes twice as much to the heat capacity as any one of ...
103,6 J/(mol K) Liquid properties Std enthalpy change of formation Δ f H o liquid +12.0 kJ/mol Standard molar entropy S o liquid: 220.96 J/(mol K) Heat capacity c p: 155.96 J/(mol K) Gas properties Std enthalpy change of formation Δ f H o gas +50.00 kJ/mol Standard molar entropy S o gas? J/(mol K) Heat capacity c p: 103.7 J/(mol K) van der ...