ThermochemistryMedium
Question
The enthalpy of formation of ammonia gas is −46.0 kJ/mol. The enthalpy change for the reaction
2NH3(g) → N2(g) + 3H2(g) is
Options
A.46.0 kJ
B.92.0 kJ
C.23.0 kJ
D.−92.0 kJ
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