• thermodynamics, the standard enthalpy of formation or standard heat of formation of a compound is the change of enthalpy during the formation of 1 mole of the substance...
    29 KB (1,880 words) - 09:26, 17 August 2024
  • standard enthalpy of reaction Δ H reaction ⊖ {\displaystyle \Delta H_{\text{reaction}}^{\ominus }} is related to the standard enthalpy of formation Δ...
    16 KB (2,549 words) - 18:17, 30 August 2024
  • enthalpy, entropy, Gibbs free energy, and for many other material standards. The standard enthalpy change of formation for an element in its standard...
    17 KB (2,067 words) - 17:21, 18 September 2024
  • Born–Haber cycle (category Pages that use a deprecated format of the chem tags)
    calculate the lattice enthalpy by comparing the standard enthalpy change of formation of the ionic compound (from the elements) to the enthalpy required to make...
    7 KB (941 words) - 22:25, 17 December 2023
  • Thumbnail for Enthalpy
    the enthalpy change equals the energy exchanged with the environment by heat. In chemistry, the standard enthalpy of reaction is the enthalpy change when...
    48 KB (6,203 words) - 21:25, 4 July 2024
  • chemistry and thermodynamics, the enthalpy of neutralization (ΔHn) is the change in enthalpy that occurs when one equivalent of an acid and a base undergo a...
    3 KB (370 words) - 10:39, 2 December 2022
  • Thumbnail for Gibbs free energy
    energy of the system H {\textstyle H} is the enthalpy of the system S {\textstyle S} is the entropy of the system T {\textstyle T} is the temperature of the...
    33 KB (4,546 words) - 15:39, 17 July 2024
  • elemental metals, it is also equal to the standard enthalpy of formation of the gaseous metal atoms. The heat of sublimation is usually expressed in kJ/mol...
    3 KB (152 words) - 03:51, 10 March 2024
  • with the quantities: energy/mole of fuel energy/mass of fuel energy/volume of the fuel There are two kinds of enthalpy of combustion, called high(er) and...
    26 KB (2,644 words) - 11:07, 23 August 2024
  • dissociation energy is around 277 kJ mol−1. At 298 K, its standard enthalpy change of formation is ΔfH° = −95.4 kJ mol−1, and its Gibbs free energy is ΔfG°...
    3 KB (219 words) - 07:28, 6 February 2024