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Sodium Carbonate Can Be Made by Heating Sodium Bicarbonate: 2NaHCO3(s) \rarr

Question 33

Multiple Choice

Sodium carbonate can be made by heating sodium bicarbonate: 2NaHCO3(s) \rarr Na2CO3(s) + CO2(g) + H2O(g)
Given that Δ\Delta H \circ = 128.9 kJ/mol and Δ\Delta G \circ = 33.1 kJ/mol at 25 \circ C, above what minimum temperature will the reaction become spontaneous under standard state conditions


A) 0.4 K
B) 3.9 K
C) 321 K
D) 401 K
E) 525 K

Correct Answer:

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