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WO3 (s) + 3 H2 (g) -> W (s) + 3 H20 (g)

Tungsten is obtained commercially by the reduction of WO3 with hydrogen according to the equation above. The following data related to this reaction are available.

DeltaH(kilojoules/mole) for WO3 is
-839.5. DeltaH for H20(g) is -241.6.

Delta G for WO3 is -762.7. Delta G for H20 i -228.2

A) What is the value of the equilibrium constant for the system represented above?

B) Calculate Delta S at 25C for the reaction indicated above

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