Question
Calculate the molar enthalpy of reaction per mole of carbon in the following reaction:
3 C(s) + 2 Fe2O3(s) + 466 kJ c12-u3_files/i0210000.jpg 4 Fe(s) + 3 CO2(g)
a.
+466 kJ/mol C
b.
+155 kJ/mol C
c.
+117 kJ/mol C
d.
–466 kJ/mol C
e.
–155 kJ/mol C
3 C(s) + 2 Fe2O3(s) + 466 kJ c12-u3_files/i0210000.jpg 4 Fe(s) + 3 CO2(g)
a.
+466 kJ/mol C
b.
+155 kJ/mol C
c.
+117 kJ/mol C
d.
–466 kJ/mol C
e.
–155 kJ/mol C
Answers
DrBob
I don't know what the link is but dH rxn = (n*dHo products)-(n*dHo proucts)
Then divide by 3 to get per mols C.
Then divide by 3 to get per mols C.