Question

Question 3 options:
The dissolving of calcium chloride is an exothermic process. During the dissolving process (more or less)energy is (released or absorbed)in breaking the ionic bonds than there is energy (released or absorbed)in forming the ion-solvent intermolecular bonds.

Answer 1

bond formation is always an exothermic process (energy release).

to break any bond energy is required (endothermic).