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NickolasDingler816
NickolasDingler816 NickolasDingler816
  • 06-01-2015
  • Biology
Answered

What must happen before a chemical reaction can begin?

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lrathburn
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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Anonymous Anonymous
  • 06-01-2015

Yes two reacting substances must collide.

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