breanna7667
02.12.2020 •
Chemistry
DOES A CHANGE IN ENGERY ALWAYS INDICATE THAT A CHEMICAL REACTION HAS TAKEN PLACE?EXPLAIN HELP
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Ответ:
Explanation:
But, a change in matter does not always indicate that a chemical reaction has taken place. ... Reactions that release energy are called exothermic reactions. The reaction between oxygen and a fuel, such as wood or oil, that produces fire releases energy in the form of heat and light.
Ответ:
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Explanation:
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