Question

2 Lime (calcium oxide) is produced by heating limestone (calcium carbonate) in a hotkin Carbon dioxide gas is given off as a waste product. a) Is this chemical reaction endothermic or exothermic? b) Write a word equation for the production of lime.

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Answer 1

Answer:

a) It is an exothermic reaction.

b)Ca(OH)2 + CO2 → CaCO3 + H2O

Explanation:

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