What is the standard enthalpy of formation of NH3 gas? Given: N2(g) + 3H2(g) → 2NH3(g); ∆rH° = -92.4 kJ mol–1. - CHEMICAL THERMODYNAMICS Quiz | GKFix.in

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What is the standard enthalpy of formation of NH3 gas? Given: N2(g) + 3H2(g) → 2NH3(g); ∆rH° = -92.4 kJ mol–1.

A. -92.4 kJ mol–1
B. -46.2 kJ mol–1
C. +46.2 kJ mol–1
D. +92.4 kJ mol–1

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