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Free Steam Tables Online calculator based on IAPWS-IF97; FACT-Web programs Various on-line tools for obtaining thermodynamic data and making equilibrium calculations. Mol-Instincts A chemical database based on Quantum Mechanics and QSPR, providing thermodynamic properties for millions of compounds.
The bond dissociation energy (enthalpy) [4] is also referred to as bond disruption energy, bond energy, bond strength, or binding energy (abbreviation: BDE, BE, or D). It is defined as the standard enthalpy change of the following fission: R—X → R + X. The BDE, denoted by Dº(R—X), is usually derived by the thermochemical equation,
Std enthalpy change of vaporization, Δ vap H o +23.35 kJ/mol at BP of −33.4 °C Std entropy change of vaporization, Δ vap S o +97.41 J/(mol·K) at BP of −33.4 °C Solid properties Std enthalpy change of formation, Δ f H o solid? kJ/mol Standard molar entropy, S o solid? J/(mol K) Heat capacity, c p? J/(mol K) Liquid properties Std ...
Standard enthalpy of neutralization is the change in enthalpy that occurs when an acid and base undergo a neutralization reaction to form one mole of water. For example in aqueous solution, the standard enthalpy of neutralization of hydrochloric acid and the base magnesium hydroxide refers to the reaction HCl (aq) + 1/2 Mg(OH) 2 → 1/2 MgCl 2 ...
J.A. Dean (ed.), Lange's Handbook of Chemistry (15th Edition), McGraw-Hill, 1999; Section 6, Thermodynamic Properties; Table 6.4, Heats of Fusion, Vaporization, and Sublimation and Specific Heat at Various Temperatures of the Elements and Inorganic Compounds
Standard molar entropy, S o solid? J/(mol K) Heat capacity, c p? J/(mol K) Liquid properties Std enthalpy change of formation, Δ f H o liquid –169.7 kJ/mol Standard molar entropy, S o liquid: 208.53 J/(mol K) Enthalpy of combustion, Δ c H o liquid –1236.4 kJ/mol Heat capacity, c p: 129.0 J/(mol K) Gas properties Std enthalpy change of ...
Std enthalpy change of formation, Δ f H o liquid? kJ/mol Standard molar entropy, S o liquid: 117.8 J/(mol K) Heat capacity, c p: 67.4 J/(mol K) Gas properties Std enthalpy change of formation, Δ f H o gas +52.47 kJ/mol Standard molar entropy, S o gas: 219.32 J/(mol K) Enthalpy of combustion, Δ c H o –1387.4 kJ/mol Heat capacity, c p: 42.9 ...
Std enthalpy change of formation, Δ f H o solid: −548.10 kJ/mol Standard molar entropy, S o solid: 72.05 J/(mol K) Heat capacity, c p: 47.3 J/(mol K) Liquid properties Std enthalpy change of formation, Δ f H o liquid: −491.63 kJ/mol Standard molar entropy, S o liquid: 96.54 J/(mol K) Heat capacity, c p? J/(mol K) Gas properties Std ...