The standard enthalpy of formation of ammonia gas is -46.11 kJ/mol at 298 K. What is the standard reaction enthalpy for the Haber process at 500 C? The molar heat capacities of nitrogen, hydrogen and ammonia are 29.12, 28.82, and 35.06 J/K mol respectively.
A. -97.65 kJ/mol
B. -113.81 kJ/mol
C. -56.91 kJ/mol
D. -92.22 kJ/mol
E. None of the above
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