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18 Cards in this Set
- Front
- Back
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Coefficient |
Represent number of units of each substance taking part in reaction. |
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Balanced Equation |
Numbers of each type of atom on both sides of the equation are equal. |
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Combustion Reactions |
Occurs when a substance reacts with oxygen to produce energy in the form of heat and light. |
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Decomposition Reactions |
One substance breaks down, or decomposes, into two or more substances. |
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Single Displacement Reactions |
One element replaces another element in a compound. |
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Double Displacement |
Positive ion of one compound replaces positive ion of other to form two new compounds. |
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Precipitate |
Insoluble compound that comes out of solution during Double Displacement reactions. |
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Exergonic reactions |
Less energy is required to break original bonds than is released when new bonds form. |
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Exothermic reaction |
Energy given off as heat. |
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Endergonic reactions |
Chemical reaction requires more energy to break bonds than is released when new bonds are formed. |
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Endothermic reaction |
Energy needed in the form of heat. |
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Catalyst |
Substance that speeds up a chemical reaction without being permanently changed itself. |
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Inhibitors |
Used to combine with one of the substances and prevents it from undergoing the original reaction. |
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All Chemical Reactions... |
Release or absorb energy. |
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During a Reaction... |
Bonds are broken and new bonds form. |
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Breaking Bonds... |
Take energy. |
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Forming Bonds... |
Produces energy. |
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Synthesis Reactions |
Two or more substances combine to form another substance. |
