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Solid NaHCO3 Is Heated to 90°C

Question 134

Multiple Choice

Solid NaHCO3 is heated to 90°C.At equilibrium the total pressure of the gases produced is 0.545 atm.Calculate ΔG° at 90°C for the reaction 2 NaHCO3(s) ⇌ Na2CO3(s) + H2O(g) + CO2(g) .


A) -7.85 kJ
B) -3.67 kJ
C) +3.67 kJ
D) +7.85 kJ

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