Chemistry, asked by anasbushra75188, 7 months ago

1) K2 + H2O - K2O + H2SO4
2) NH4NO3 + H2O → HNO3 + (NH4)2O
3) CuSO4+ H2O -H2SO4 + CuO
4) CuSO4+Fe- FeSO4+Cu
(Identify whether reactions are exothermic or endothermic)

Answers

Answered by karthiknaidu27102005

1

Explanation:

1,-exothermic

2-exothermic

3-endothermic

4-exothermic

Answered by jasprit155

2

Answer:

3 is endothermic

and all are exothermic

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