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ICSE Class 9 Answered

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 | 06 Nov, 2021, 01:49: PM
answered-by-expert 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 | 09 Nov, 2021, 09:20: AM

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