Happypants38 Happypants38

19-11-2020
Chemistry

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How do you know when a chemical reaction is happenig or happend explain

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skylart924 skylart924

19-11-2020

Answer:

A chemical reaction is usually accompanied by easily observed physical effects, such as the emission of heat and light, the formation of a precipitate, the evolution of gas, or a color change.

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carafreeman07 carafreeman07

19-11-2020

ok so you will know when a chemical equation is happening or happened because there will be some sort of spark/fire or something like that.

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