the standard free energies of formation of SO2(g) and SO3(g) are -300.4 and -370.4kJ mol-1 respectively. Calculate the value of the equilibrium constant at 25'C for the reaction 2SO2(g)+O2(g)==2SO3(g)

Question

the standard free energies of formation of SO2(g) and SO3(g) are -300.4 and -370.4kJ mol-1 respectively. Calculate the value of the equilibrium constant at 25'C for the reaction  2SO2(g)+O2(g)==>2SO3(g)

DrBob222 · Accepted Answer

dGrxn = (n*dGf products) - (n*dGf reactants), then dGrxn = -RT*lnK Solve for K.