Question

8. Identify the endothermic and exothermic reaction.
a. HCl + NaOH - → NaCl + HO + heat
b. 2KCIO,(s)
A, 2KCI(s) + 30, 1
c. CaO + H2O
Ca(OH), + heat
d. CaCO,(s)
Δ
CaO(s) +CO1​

Answer 1

Explanation:

1 exothermic reaction.

2 endothermic reaction.

3 exothermic reaction.

4 endothermic reaction