Question

Calculate the heat of formation for CaC(s) given that ΔH for the following reaction is +178 kJ/mole and using standard enthalpies of formation:
CaC(s) -> CaO(s) + C(g)

A) -1207 kJ/mol
B) +1207 kJ/mol
C) - 851 kJ/mol
D) + 851 kJ/mol

Answer

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