# Problem: Given the following free energies of formation calculate Kp at 298 K for:C2H2 (g) + 2 H2 (g) → C2H6 (g)C2H2 (g)          ΔG° f = 209.2 kJ/molC2H6 (g)          ΔG° f  = -32.9 kJ/mol A. 9.07 x 10 -1B. 97.2C. 1.24 x 10 31D. 2.74 x 10 42

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Given the following free energies of formation calculate Kp at 298 K for:

C2H(g) + 2 H2 (g) → C2H6 (g)

C2H2 (g)          ΔG° f = 209.2 kJ/mol

C2H6 (g)          ΔG° f  = -32.9 kJ/mol

A. 9.07 x 10 -1

B. 97.2

C. 1.24 x 10 31

D. 2.74 x 10 42

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Our tutors have indicated that to solve this problem you will need to apply the Gibbs Free Energy concept. You can view video lessons to learn Gibbs Free Energy. Or if you need more Gibbs Free Energy practice, you can also practice Gibbs Free Energy practice problems.

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Based on our data, we think this problem is relevant for Professor Ray's class at UIUC.