Determine The Entropy Change J K When 2 8 Moles Of Heptane Are Condensed At Atmospheric Pressure Heptane Data 31 86 1 (26.59 KiB) Viewed 95 times
Determine The Entropy Change J K When 2 8 Moles Of Heptane Are Condensed At Atmospheric Pressure Heptane Data 31 86 2 (63.31 KiB) Viewed 95 times
Determine the entropy change (J/K) when 2.8 moles of heptane are condensed at atmospheric pressure. Heptane data: 31.86 kJ/mol latent heat of evaporation: standard boiling point: 98.4°C
thermodynamic relationships internal energy U = q + w enthalpy H = U + PV AH = AU + PAV gas law PV = nRT where R = 8.314 J/ mol K Hess's Law: AHR = [SAH products - [SAH) reactants = Kirchhoff's rule: (AHRST, -(AHRT, = (ACp (T2-T1) where: ACp = (Cp)(products) - E(Cp(reactants) standard molar entropy of a phase transition: AH ASE = Gibbs free energy: G = H - TS AG = AH – TAS -
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