JEE Main & Advanced
Chemistry
Thermodynamics / रासायनिक उष्मागतिकी
Question Bank
Heat of reaction
question_answer
The enthalpy of formation of ammonia is \[-46.0\,kJ\,mo{{l}^{-1}}\]. The enthalpy change for the reaction \[2N{{H}_{3}}(g)\to 2{{N}_{2}}(g)+3{{H}_{2}}(g)\] is