February 19, 2017

Homework Help: Chemistry

Posted by Bobby on Saturday, July 24, 2010 at 12:39pm.

The standard heat of formation of solid ammonium nitrate. NH4NO3 is -330kJ/mol. The equation that represents this process is:

a) N2(g)+ 4H2(g)+3O2(g)->NH4NO3+ 330kJ
b) 2N(g)+ 4H(g)+ 3O(g)-> NH4NO3+ 330kJ
c) NH4(g)+ NO3(g)-> NH4NO3+ 330kJ
d) 0.5N2(g)+ 2H2(g)+ 1.5O2(g)-> NH4NO3+ 330kJ
e) N2(g)+ 2H2(g)+ 1.5O2(g)-> NH4NO3+ 330kJ

Can somebody help me out and explain this question. I think its between c and d because the rest aren't balanced.

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