The standard free energies of formation and the standard enthalpies of formation at 298 K for difluoroacetylene (C2F2) and hexafluorobenzene (C6F6) are

For the following reaction: C6F6(g) ‡Œ 3C2F2(g)
a. Calculate ΔSo at 298 K.
b. Calculate K at 298 K.
c. Estimate K at 3000. K, assuming ΔHo and ΔSo do not depend on temperature.

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AGt (kJ/mo 191.2 78.2 Hi (kJ/mol) CF2(g) C.F4g 241.3 132.8