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CGP EDU Academic Team
Published on: August 14, 2026
Given, N 2 (g)+3H 2 (g) 
2NH 3 (g);
r H° = -92.4 kJ mol -1
What is the magnitude of standard enthalpy of formation of NH 3 gas?
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46.2
Given, N 2 (g) + 3H 2 (g) 
2NH 3 (g); 
r H° = -92 .4 kJ mol -1
Chemical reaction for the enthalpy of formation of NH 3 (g) is as follows:
Therefore, 
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