Term
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Definition
| any change that alters the appearance of a substance without changing its chemical makeup |
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Term
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Definition
| a change in matter that results in a new substance(s) |
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Definition
| a solid that forms from a solution in a chemical reaction |
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Term
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Definition
| a reaction where energy is absorbed |
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Term
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Definition
| a reaction where energy (heat) is produced |
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Term
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Definition
| a group of symbols and formulas to illustrate a chemical reaction |
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Term
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Definition
| substances at the beginning of a chemical equation |
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Term
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Definition
| substances at the end of a chemical equation |
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Term
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Definition
| during a chemical reaction matter is not created or destroyed |
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Term
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Definition
| matter can escape during an experiment |
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Term
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Definition
| matter cannot escape during an experiment |
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Term
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Definition
| indicates the number of molecules in a compound |
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Term
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Definition
| indicates the number of atoms in one molecule of a compound |
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Term
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Definition
| reaction where two or more compounds are combined to form one compound |
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Term
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Definition
| a reaction where one substance is broken down into two or more substances |
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Term
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Definition
| one element replaces another element in a compound |
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Term
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Definition
| two elements swap places in compounds |
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Term
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Definition
| energy required to start a chemical reaction |
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Term
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Definition
| the amount of substance in a given volume |
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Term
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Definition
| the amount of substance in a given volume |
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Term
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Definition
| a chemical that speeds up a reaction |
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Term
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Definition
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Term
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Definition
| a chemical that slows down or stops a reaction |
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