1.

The reaction of cyanamide NH2CN(s) with oxygen was run in a bomb calorimeter and ΔU was found to be −742.24 kJ mol−1. The magnitude of ΔH298K for the reaction NH2CN(s)+32O2(g)→N2(g)+O2(g)+H2O(l) is ______ kJ mol−1. (Rounded off to the nearest integer).[Assume ideal gases and R=8.314 J mol−1 K−1]

Answer» The reaction of cyanamide NH2CN(s) with oxygen was run in a bomb calorimeter and ΔU was found to be 742.24 kJ mol1. The magnitude of ΔH298K for the reaction NH2CN(s)+32O2(g)N2(g)+O2(g)+H2O(l) is ______ kJ mol1. (Rounded off to the nearest integer).

[Assume ideal gases and R=8.314 J mol1 K1]


Discussion

No Comment Found