Chemistry-
General
Easy
Question
The enthalpy of formation of ammonia is–46.0KJ mol–1.The enthalpy change for the reaction 2NH3(g)→N2(g)+3H2(g) is-
- 46.0KJmol–1
- 92.0KJmol–1
- –23.0KJmol–1
- –92.0KJmol–1
The correct answer is: –92.0KJmol–1
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