Calculate the ÄE°rxn for the decomposition of calcium carbonate to calcium oxide and carbon dioxide. ÄH°† [CaCO3(s)] = -1206.9 kJ/mol; ÄH°†[CaO(s)] = -635.1 kJ/mol; ÄH°f [CO2(g)] = -393.5 kJ/mol СаСОз(s) > СаO(s) + CO2(9) O a. 175.82 kJ O b.-175.82 kJ О с. 178.3 kJ O d.-178.3 kJ O e. -2235.5 kJ

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