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Definition
| Two or more substances combine to form another substance. |
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| One substance breaks down, or decomposes, into two or more substances. |
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Definition
| One element replaces another element in a compound. |
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| Occurs when a substance reacts with oxygen to produce energy in the form of heat and light. |
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Definition
| Positive ion of one compound replaces positive ion of other to form two new compounds. |
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Definition
| Insoluble compound that comes out of solution during double displacement reactions. |
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Term
| All Chemical Reactions... |
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Definition
| Release or Absorb energy. |
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Definition
| Bonds are broken and new bond forms. |
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Definition
| Less energy is required to break original bonds than is released when new bonds form. |
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Definition
| Energy given off as heat. |
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Definition
| Chemical reaction requires more energy to break bonds than is released when new bonds are formed. |
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Definition
| Energy needed in the form of heat. |
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Definition
| Substance that speeds up a chemical reaction without being permanently changed itself. |
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Term
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Definition
| Used to combine with one of the substances and prevents it from undergoing the original reaction. |
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