arn9erprelshafatimp
arn9erprelshafatimp arn9erprelshafatimp
  • 02-10-2016
  • Biology
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before a chemical reaction can start, energy must be absorbed by the reactants. the amount that must be absorbed to start the reaction is called the blank.

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Аноним Аноним
  • 03-10-2016
It is called the activation energy.
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