19. Chemical Thermodynamics
Gibbs Free Energy
19. Chemical Thermodynamics Gibbs Free Energy
108PRACTICE PROBLEM
Potassium carbonate can be produced by heating potassium bicarbonate:
2 KHCO3(s) → Na2CO3(s) + CO2(g) + H2O(g).
At 25°C, ΔH° = 245.6 kJ/mol and ΔG° = 163.5 kJ/mol. Above what minimum temperature will the reaction become spontaneous under standard-state conditions?
Potassium carbonate can be produced by heating potassium bicarbonate:
2 KHCO3(s) → Na2CO3(s) + CO2(g) + H2O(g).
At 25°C, ΔH° = 245.6 kJ/mol and ΔG° = 163.5 kJ/mol. Above what minimum temperature will the reaction become spontaneous under standard-state conditions?