Question

Calculate the change in Gibbs free energy for each of the following sets of ΔHrxn, ΔSrxn, and T.

Part A

ΔH∘rxn= 90. kJ , ΔSrxn= 152 J/K , T= 303 K

Express your answer using two significant figures.

ΔG =

kJ

Part B

ΔH∘rxn= 90. kJ , ΔSrxn= 152 J/K , T= 750 K

Express your answer using two significant figures.

ΔG =

kJ

Part C

ΔH∘rxn= 90. kJ , ΔSrxn=− 152 J/K , T= 303 K

Express your answer using two significant figures.

ΔG =

kJ

Part D

ΔH∘rxn=− 90. kJ , ΔSrxn= 152 J/K , T= 407 K

Express your answer using two significant figures.

ΔG =

kJ