QUESTION 3 Solid NaHCO3 is heated to 90°C. At equilibrium the total pressure of the gases produced is 0.545 atm. Calculate AG* at 90°C for the reaction 2 NaHCO3(s) Na2CO3(s) + H2O(g) + CO2(g). -7.85 kJ -3.67 kJ +3.67 kJ +7.85 kJ

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