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Chapter 7 Crossword

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Date:

Across
Something that releases OH- into water
A substance that lowers the activation energy of a chemical reaction, greatly increasing its reaction rate
That a chemical reaction can occur with no indication as to when it will occur
The s in molecules are rearranged in different combinations
Chemical reactions that give off energy so that the products have less energy than the reacants
Giving electrons to atoms
Down
Proteins that catalyze chemical reactions
All of the chemical reactions that occur within a living cell
Study of the rate of chemical reactions
The removal of electrons from atoms
Something that releases H+ ions into water
It is not in solution
Chemical reactions that absorb energy so that the products have more energy than the reactants