Chemistry-
General
Easy
Question
GivenenthalpyofformationofCO2(g)andCaO(s) are–94.0KJand–152KJrespectivelyandthe enthalpyofthereaction-CaCO3(s) →CaO(s)+CO2(g) is42KJ.The enthalpyofformationofCaCO3(s)
- –42KJ
- –202KJ
- +202KJ
- –288KJ
The correct answer is: –288KJ
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