Question

State whether the following reactions are exothermic or endothermic.

1) HCl + NaOH → NaCl + H2
O + Heat

2) CaCO3 → CaO + CO2

3) CaO + H2
O → Ca(OH)2
+ Heat


please answer....​

Answer 1

Answer:

please refer to the attachment

Explanation:

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