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CaCo3 decomposes in the equation below. What is the enthalpy of the reaction?
CaCO3 (S) ---> CaO (s) + CO2 (g)
a. 178.3 kJ
b. 571.8 kJ
C. -1029 kJ
d. -2236 kJ
Answer:Typically a decomposition reaction is endothermic. Use the decomposition of limestone (CaCO3) to draw an energy diagram for a decomposition reaction assuming it occurs at constant pressure.
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