**** Use ΔHf data from the table to calculate a value for the enthalpy change for the following reaction.
NH4NO3(s)* +* C(s)* →* N2(g)* +* 2H2O(g)* +* CO2(g)
*
Substance
C(s)
N2(g)
H2O(g)
CO2(g)
NH4NO3(s)
ΔHf/ kJ mol–1
0
0
–242
–394
–365
(values given respectively)
I got -513 kj/mol but the answer is -316 kj/mol.