Question

Consider the reaction: CH3OH(g)?CO(g)+2H2(g) Calculate ?G for this reaction at 25 ?C under these conditions: PCH3OH=...

Consider the reaction:
CH3OH(g)?CO(g)+2H2(g)
Calculate ?G for this reaction at 25 ?C under these conditions:
PCH3OH= 0.830atm
PCO= 0.145atm
PH2= 0.195atm   

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Answer #1

CH3OH(g)   CO(g)+2H2(g)

Given the equilibrium pressure of CH3OH , p CH3OH = 0.830 atm

the equilibrium pressure of CO , p CO = 0.145 atm

the equilibrium pressure of H2 , p H2 = 0.195 atm

Equilibrium constant ,

                         

We know that

Where R = gas constant = 8.314 J mol-1 K-1

           T = Temperature in K = 25 0C = 25 + 273 = 298 K

Substitute the values we get

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