When solute 'A' dissolves in a solvent the solution becomes hot and when solute'B'dissolves in the same solvent the solution becomes cold classify the two changes as exothermic and endothermic give reasons

Asked by kavisrilalu | 6th Nov, 2021, 01:49: PM

Expert Answer:

When A dissolves in the solvent the solution becomes hot because heat is gained. When heat is gained, reaction is endothermic.
 
When B dissolves in the solvent the solution becomes cold because heat is released. When heat is released, reaction is exothermic.

Answered by Ravi | 9th Nov, 2021, 09:20: AM