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OpenStudy (anonymous):
What is a comparison between a chemical change and a physical change ?
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OpenStudy (anonymous):
physical change - probably inter-molecular - like the evaporation of water chemical - the molecule itself
OpenStudy (blues):
ttom is completely right as usual. To put it more formally, chemical changes involve changes in covalent bonding structure of the compounds; physical changes involve only changes in non-covalent interactions between different molecules.
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