The enthalpies of formation of N 2 O and NO at 298 K are 82 and 90 kJ mol –1 . The…
Chemistry · JEE Main · NTA Exams — Chemical Thermodynamics
The enthalpies of formation of N2O and NO at 298 K are 82 and 90 kJ mol–1. The enthalpy of the reaction :\(\mathrm{N}_{2} \mathrm{O}(\mathrm{~g})+1 / 2 \mathrm{O}_{2}(\mathrm{~g}) \longrightarrow 2 \mathrm{NO}(\mathrm{~g})\)
- –8 kJ
- 98 kJ
- –74 kJ
- 8 kJ
Answer
(B) 98 kJ
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