Homework Answers
G = G° + RT*lnKc
G° = -32.8
RT = 8.314*298
Kp = CH4^2 / (C2H6)(H2)
Kp = 0.7^2 / (0.45*0.45) = 2.41975
dn = 2 -1-1 = 0
Kp = Kc*(RT)^dn
Kp = Kc
then
G = G° + RT*lnKc
G= -32800 + 8.314*298*ln(2.41975) = -30610.6 J
G = -30.610 kJ/mol
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