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Enthalpy Change of Cumbustion of Calcium Carbonates Essay Preview: Enthalpy Change of Cumbustion of Calcium Carbonates Report this essay Equipment пєј 2.54g of Caco3 пєј 2.53g of Cao пєј 2.0 mol dm-3 hydrochloric acid пєј Scale пєј 50cm3 measuring cylinder пєј Thermometer пєј Polystyrene cup пєј Weighing bottle Method I will weigh a weighing bottle.