Here is the question, When 1 mole of urea undergoes combustion 632 KJ of energy are realesased. 2CO(NH2)2 + 7 O2............ The molar heat of dormation of urea is..??

Question

wolfe8 · Answer

Write out the balanced chemical equation first

anonymous · Answer

its actually given i just gave u the main part

anonymous · Answer

beacuse that is where the moles is

wolfe8 · Answer

Well just from that you don't know how much urea you get. Finish the equation and balance it first.

anonymous · Answer

2 CO(NH2)2 + 7O2------> 2 CO2 + 4 H2O + 4 NO2

wolfe8 · Answer

Hmm. Are you sure you wrote the question right? You combust urea but you want the formation of urea?

anonymous · Answer

yep its correct nothing wrong with the Ques

anonymous · Answer

i think we have to change from combustion to formation