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Given the following free energies of formations;

Given the following free energies of formations;

ΔGfo (kJ/mol)

C2H2 (g) 209.2

C2H6 (g) -32.9   

calculate Kp at 298 K for C2H2(g) + 2 H2(g) → C2H6 (g)

A. 9.07x10-1

B. 97.2

C. 1.24x1031

D. 2.72x1042

E. None of these   

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