Use data from Appendix C to calculate the equilibrium constant, K, and ? G? at 298 K for each of the following reactions.

a) H2(g)+I2(g)?2HI(g)
Calculate ?G?.

(Express your answer to four significant figures and include the appropriate units.)

b) Calculate the equilibrium constant, K.

(Express your answer using two significant figures.)

c) C2H5OH(g)?C2H4(g)+H2O(g)
Calculate ?G?.

(Express your answer to two significant figures and include the appropriate units.)

d) Calculate the equilibrium constant, K.

(Express your answer using two significant figures.)

e) 3C2H2(g)?C6H6(g)
Calculate ?G?.

(Express your answer to four significant figures and include theappropriate units.)

f) Calculate the equilibrium constant, K.

(Express your answer using two significant figures.)