Calculate the H°_rxn for the Decomposition of Calcium Carbonate

Multiple Choice

Calculate the H°_rxn for the decomposition of calcium carbonate to calcium oxide and carbon dioxide. H°_f [CaCO₃(s) ] = -1206.9 kJ/mol; H°_f [CaO(s) ] = -635.1 kJ/mol; H°_f [CO₂(g) ] = -393.5 kJ/mol
CaCO₃(s)  CaO(s) + CO₂(g)

A) -2235.5 kJ
B) -1448.5 kJ
C) -178.3 kJ
D) 178.3 kJ
E) 2235.5 kJ