Explain Endothermic reaction with example.
Answers
Answer:
An endothermic process is any process with an increase in the enthalpy H (or internal energy U) of the system. In such aprocess, a closed system usually absorbs thermal energy from its surroundings, which is heat transfer into the system.
Melting ice cubes.
Melting solid salts.
Evaporating liquid water.
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Explanation:
Endothermic reactions are chemical reactions in which the reactants absorb heat energy from the surroundings to form products. ... Physical processes can be endothermic as well – Ice cubes absorb heat energy from their surroundings and melt to form liquid water (no chemical bonds are broken or formed).
Endothermic Processes
Melting ice cubes.
Melting solid salts.
Evaporating liquid water.
Converting frost to water vapor (melting, boiling, and evaporation, in general, are endothermic processes.
Making an anhydrous salt from a hydrate.
Forming a cation from an atom in the gas phase.
Splitting a gas molecule.