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Problem: Sodium carbonate can be made by heating sodium bicarbonate: 2 NaHCO3(s) → Na2CO3(s) + CO2(g) + H2O(g). Given that ΔH° = 128.9 kJ/mol and ΔG° = 33.1 kJ/mol at 25°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

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Problem Details

Sodium carbonate can be made by heating sodium bicarbonate:

2 NaHCO3(s) → Na2CO3(s) + CO2(g) + H2O(g).

Given that ΔH° = 128.9 kJ/mol and ΔG° = 33.1 kJ/mol at 25°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

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Our tutors rated the difficulty ofSodium carbonate can be made by heating sodium bicarbonate: ...as medium difficulty.

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Based on our data, we think this problem is relevant for Professor Costanza's class at USF.