Reference no: EM13950578
1. Determine the change in the Gibbs function DG8 at 258C in kJ/kmol, for the reaction
CH41g2 1 2O2 dS CO2 1 2H2O1g2
using
(a) Gibbs function of formation data.
(b) enthalpy of formation and absolute entropy data.
2. Calculate the equilibrium constant, expressed as log10 K,
3. For each of the following dissociation reactions, determine the equilibrium compositions:
(a) One kmol of N2O4 dissociates to form an equilibrium ideal gas mixture of N2O4 and NO2 at 25°C, 2 atm. For N2O4 dS 2NO2, ¢G8 5 5400 kJ/kmol at 25°C.
(b) One kmol of CH4 dissociates to form an equilibrium ideal gas mixture of CH4, H2, and C at 1000 K, 5 atm. For C 1 2H2 dS CH4, log10K 5 1.011 at 1000 K.
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: 1. Determine the change in the Gibbs function DG8 at 258C in kJ/kmol, for the reaction
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