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140 solutions

Gibbs Free Energy

Q. (a) Find ΔGo at 25 oC for the reaction: 5 O2(g) + C3H8(g) --> 4 H2O(l) + 3 CO2(g) (b) Find equilibrium constant value, Kp, for this reaction. R = 8.314 J/(mol.K)

Solved • Aug 15, 2019

Gibbs Free Energy

Q. Calculate ΔGrxn at 298 K under the conditions shown below for the following reaction. SO3(g) + H2O(g) → H2SO4(l) ΔG°= -90.5 kJ P(SO3) = 0.20 atm, P(H2O) = 0.88 atm

Solved • Aug 8, 2019

Gibbs Free Energy

Q. Hi, there could you please help me with this question, I keep getting the wrong answer I can find my error. Determine the equilibrium constant for the following reaction at 549 K. CH2O(g) + 2 H2(g) → CH4(g) + H2O(g) ΔH° = -94.9 kJ; ΔS°= -224.2 J/K 9.35 × 10-10 1.07 × 109 2.08 × 10-3 481 1.94 × 10-12

Solved • Aug 8, 2019

Gibbs Free Energy

Q. Determine ΔG°rxn using the following information. H2(g) + CO(g) → CH2O(g) ΔH°= +1.9 kJ; ΔS°= -109.6 J/K Hi there, they did not include the temperature I assume is at 25 c Determine ΔG°rxn using the following information. H2(g) + CO(g) → CH2O(g) ΔH°= +1.9 kJ; ΔS°= -109.6 J/K +34.6 kJ +41.5 kJ -17.3 kJ +57.7 kJ +30.8 kJ

Solved • Aug 8, 2019

Gibbs Free Energy

Q. Given these data for dGof at 25 C (a) find dGo at 25 C for the reaction C3H8(g) + 5O2(g) -> 3CO2(g) + 4H2O(l) (b) Find equilibrium constant value, Kp, for this reaction.

Solved • Aug 4, 2019

Gibbs Free Energy

Q. Given these data for ΔGf at 25 C, (a) Find ΔGo at 25 C for the reaction: 3 CO2(g) + 4 H2O(l) --> C3H8(g) + 5 O2(g) (b) Find equilibrium constant Kp for this reaction. R = 8.314 J/(mol.K)

Solved • Aug 4, 2019

Gibbs Free Energy

Q. Calculate the standard Gibbs free energy change, ΔGo for the following reaction at 298 K: P4(g) + 6 Cl2(g) --> 4 PCl3(g)

Solved • Aug 4, 2019