Question

Urea ((NH2)2CO) can be formed from ammonia and carbon dioxide as shown in the reaction:

2NH3(g) + CO2(g) → (NH2)2CO(s) + H2O(l)

The ΔHorxn for this synthesis is equal to -134.0 kJ. Calculate the ΔHof for urea. (Enter your answer in kJ/mol).

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Alkanes, alkenes and alkynes

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