Question

The following questions refer to the following reaction at constant 25°C and 1 atm.
2Fe(s) + (3/2)O2(g) + 3H2O(l)  2Fe(OH)3(s) H = –789 kJ/mol
Substance S° (J/mol K)
Fe(OH)3(s) 107
Fe(s) 27
O2(g) 205
H2O(l) 70

a. Determine Ssurr for the reaction (in kJ/mol K)

b. Determine Suniv for the reaction (in kJ/mol K)2.65

c. What is the G for this reaction?

d. Calculate the equilibrium constant

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