Calculate the equilibrium constant at 25 °C for each of the following reactions from the value of ΔG° given. (a) O2(g)+2F2(g)⟶2OF2(g) ΔG°=−9.2 kJ (b) I2(s)+Br2(l)⟶2IBr(g) ΔG°=7.3 kJ (c) 2LiOH(s)+CO2(g)⟶Li2CO3(s)+H2O(g) ΔG°=−79 kJ

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