Question

of the two reaction which is endothermic and which is exothermic :first : calcium oxide + water calcium hydroxide + heat second : calcium earbonate + heat calcium oxide + c°2 please tell me answer​

Answer 1

First is exothermic reaction

second is endothermic reaction

Answer 2

Answer:

Reactants:

1. Calcium carbonate

2. Calcium oxide, water

Products

1. Calcium oxide, carbon dioxide

2. Calcium hydroxide

(b) First reaction is endothermic and second is exothermic reaction.