Question

88 What is an endothermic change? Provide 2
examples​

Answer 1

These examples could be written as chemical reactions, but are more generally considered to be endothermic or heat-absorbing processes: Melting ice cubes. ... Converting frost to water vapor (melting, boiling, and evaporation, in general, are endothermic processes.

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Answer 2

Answer:

An endothermic process is any process with an increase in the enthalpy H (or internal energy U) of the system. In such a process, 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.