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Ch 10 Chemical Reactions

8th grade Ch. 1 Exploring and Classifying
Across
Substance that exists before a chemical reaction begins.
Catalysts that are large protein molecules which speed up reaction needed for your cells to work properly.
Minimum amount of energy needed to start a chemical reaction.
Measure of how fast a chemical reaction occurs.
Substance that slows down chemical reaction, making the formation of a certain amount of product take longer.
Down
Substance that forms as a result of a chemical reaction.
Process that produces chemical change, resulting in new substances that have properties different from those of the original substances.
Describes how much solute is present in a solution compared to the amount of solvent.
Substance that speeds up a chemical reaction but is not used up itself or permanently changed.