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Is an endothermic process an example of a physical or chemical change?

Author:
February 20th, 2023

Endothermic just means that heat has to be supplied to the proces to keep it going. It can be fysical or chemical.
Examples of physical :
The melting of ice, the evaporation of water.
Examples of chemical endothermic processes:
The of water ##2H_2O->2H_2+O_2##
The ‘burning’ of limestone to get quicklime: ##CaCO_3->CaO+CO_2##

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