The standard free energies of formation and the standard enthalpies of formation at 298

Chapter 17, Problem 17.100

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The standard free energies of formation and the standard enthalpies of formation at 298 K for difluoroacetylene (C2F2) and hexafluorobenzene (C6F6) are DG8 f (kJ/mol) DH8 f (kJ/mol) C2F2(g) 191.2 241.3 C6F6(g) 78.2 132.8 For the following reaction: C6F6 1g2m3C2F2 1g2 a. calculate DS8 at 298 K. b. calculate K at 298 K. c. estimate K at 3000. K, assuming DH8 and DS8 do not depend on temperature

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