facosta1790oqwvkn facosta1790oqwvkn
  • 02-06-2017
  • Physics
contestada

what are two things a scientist can do to cause some substances that are mixed together to react?

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anonymous79
anonymous79 anonymous79
  • 02-06-2017
provide them with energy eg in the form of thermal energy to help the reactants overcome the activation energy barrier
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