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Enthalpy of formation of NH3 is - 46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH3 → N2 + 3H2, is equal to __________ kJ/kg. mole. | |
A. | 46 [Wrong Answer] |
B. | 92 [Correct Answer] |
C. | -23 [Wrong Answer] |
D. | -92 [Wrong Answer] |