Explain nitrogen and hydrogen combine to form ammonia

Reference no: EM13277868

Nitrogen and hydrogen combine to form ammonia in the Haber process. Calculate (in kJ) the standard enthalpy change ?Hº for the reaction written below, using the bond energies given. N2(g) + 3H2(g) -› 2NH3(g) N=N (nitrogen-nitrogen triple bond) (945 kJ/mol) H-H (432 kJ/mol) N-H (391 kJ/mol) Answer a. 595 kJ b. -969 kJ c. -204 kJ d. -105 kJ e. 204 kJ

Reference no: EM13277868

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