The reaction of cyanamide, NH CN with oxygen was run in a bomb calorimeter and ∆U was found to be -7 — Thermodynamics and Thermochemistry Chemistry Question

Question

The reaction of cyanamide, NH CN with oxygen was run in a bomb calorimeter and ∆U was found to be -742.14 kJ mol . The magnitude of ∆H for the reaction is ________ kJ. (Rounded off to the nearest integer) [Assume ideal gases and R = 8.314 J mol K ] 2 (s) -1 298 -1 -1