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A. 20. Which is the best description of activation energy? (HB2A2) Energy added to start a reaction. b. Energy released as the reaction proceeds C. Energy stored within the reactant molecules. d. Energy
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A.

20. Which is the best description of activation energy? (HB2A2)
Energy added to start a reaction.
b. Energy released as the reaction proceeds
C. Energy stored within the reactant molecules.
d. Energy stored within the product molecules.

User Alan Thomas
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Answer:

a .energy added to start a reaction

User Joshu
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