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16 Cards in this Set
- Front
- Back
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CHEMICAL EQUATION |
A representation of the reactants that combine and the products that result from a chemical reaction. |
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BALANCED CHEMICAL EQUATION |
The standard way of writing chemical equations with the number of atoms of reactants on the left equaling the number of atoms of products on the right (law of conservation of mass). |
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LAW OF DEFINITE PROPORTIONS |
A compound always contains the same elements in the same proportions, regardless of how the compound is made or how much of the compound is formed. |
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MOLE RATIO |
The relative number of moles of the substances required to produce a given amount of product in a chemical reaction. |
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KINETIC THEORY |
Particles move faster at higher temperatures, causing the particles to collide more often, increasing the chances for a reaction. |
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CATALYST |
A substance that changes the rate of a chemical reaction without being consumed or changed significantly (usually increases the rate). |
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INHIBITOR |
A catalyst that slows the rate of a chemical reaction. |
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ENZYME |
A type of protein that speeds up metabolic reactions in living things without being permanently changed or destroyed. |
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SUBSTRATE |
The reactant in reactions catalyzed by enzymes. |
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CHEMICAL EQUILIBRIUM |
A state of balance in which the rate of a forward reaction equals the rate of the reverse reaction and the concentrations of products and reactants remain unchanged. |
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Le CHATELIER'S PRINCIPLE |
If a change is made to a system in chemical equilibrium, the equilibrium shifts to oppose the change until a new equilibrium is reached. |
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SYNTHESIS REACTION |
A chemical reaction in which two or more substances combine to form a new compound (A + B --->AB). |
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DECOMPOSITION REACTION |
A chemical reaction in which a single compound breaks down to form two or more simpler substances (AB ---> A + B). |
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SINGLE-DISPLACEMENT REACTION |
A chemical reaction in which one element or radical takes the place of another element or radical in a compound (AX + B ---> BX + A). |
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DOUBLE-DISPLACEMENT REACTION |
A chemical reaction in which a gas, a solid precipitate, or a molecular compound forms from the apparent exchange of atoms or ions between two compounds (AX + BY ---> AY + BX).
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OXIDATION-REDUCTION REACTION |
Any chemical change in which one species is oxidized (loses electrons) and another species is reduced (gains electrons). |
