Question

endothermic reaction examples

Answer 1

Explanation:

These examples could be written as chemical reactions, but are more generally considered to be endothermic or heat-absorbing processes:

Melting ice cubes.

Melting solid salts.

Evaporating liquid water.

Converting frost to water vapor (melting, boiling, and evaporation, in general, are endothermic processes.

Answer 2

Answer:

i) NH4Cl (s) + H2O (l) ⟶ NH4Cl (aq) - Heat

Explanation:

When ammonium chloride (NH4Cl) is dissolved in water, an endothermic reaction takes place. The salt dissociates into ammonium (NH4+) and chloride (Cl–) ions. The chemical equation can be written as follows: NH4Cl (s) + H2O (l) ⟶ NH4Cl (aq) - Heat

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