NickolasDingler816 NickolasDingler816

06-01-2015
Biology

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What must happen before a chemical reaction can begin?

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lrathburn lrathburn

06-01-2015

In order for a chemical reaction to being, two reactants must come into contact with one another. Reactions occur when two or more molecules interact and the molecules change. Bonds between atoms are broken and created to form new molecules

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Аноним Аноним

06-01-2015

Yes two reacting substances must collide.

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