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12 Cards in this Set
- Front
- Back
What is a chemical reaction?
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process that produces chemical change, resulting in a new substances that have have properties different from those of the original substance
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What is a reactant?
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substance that exists before a chemical reaction begins
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What is a product?
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substance that forms as a result of a chemical reaction
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What is a chemical equation?
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shorthand form for writing reactants are used and what products are formed in a chemical reaction
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What is an endothermic reaction?
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chemical reaction in which heat is absorbed
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What is a exothermic reaction
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chemical reaction in which heat is released
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What is an activation energy?
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minimum amount of energy needed to start a chemical reaction
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Rate of reaction.
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measure of how fast a chemical reaction occurs
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what is concentration?
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describes how much solute is present in a solution compared to the amount of solvent
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what is an inhibitor?
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substance that slows down a chemical reaction, making the formation of a certain amount of product take longer
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What are catalysts?
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substance that speeds up a chemical reaction but is not used up itself or permanently changed.
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What is an enzyme?
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a type of protein that speeds up chemical reactions in the body without being changed or used up itself.
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