Ammonia is synthesized from nitrogen and hydrogen gases at a temperature of 475°C. N₂(g) + 3H₂(g) → 2NH₃(g)
If ΔH° = −92.2 kJ and ΔS° = −0.1987 kJ/K,what is ΔG° for the reaction at 575°C?

Name: Ammonia is synthesized from nitrogen and hydrogen gases at a temperature of 475°C. N 2 (g)+ 3H 2 (g)→ 2NH 3 (g) If ΔH° = −92.2 kJ and ΔS° = −0.1987 kJ/K,what is ΔG° for the reaction at 575°C?
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Question

Quizplus · Accepted Answer

ΔG° = ΔH° - TΔS° = −92.2 kJ - (575 K)(-0.1987 kJ/K) = −260.7 kJ

Ammonia Is Synthesized from Nitrogen and Hydrogen Gases at a Temperature