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Science-Related Homework Help Chemistry Topic started by: bennick on Oct 23, 2023



Title: The standard enthalpy of formation of ammonia at 25C is 46.3 kJ/mol. Estimate the NH bond enthalpy ...
Post by: bennick on Oct 23, 2023
The standard enthalpy of formation of ammonia at 25°C is –46.3 kJ/mol.  Estimate the N–H bond enthalpy at this temperature.
         (Given:  BE(N≡N)=941.4 kJ/mol, BE(H–H) = 436.4 kJ/mol)

▸ 360 kJ/mol

▸ 383 kJ/mol

▸ 391 kJ/mol

▸ 459 kJ/mol

▸ 475 kJ/mol


Title: Re: The standard enthalpy of formation of ammonia at 25C is 46.3 kJ/mol. Estimate the NH bond enthalpy ...
Post by: shindh02 on Oct 23, 2023
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