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| process in which substances undergo chemical changes that result in the formation of new substances |
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| a solid that forms from a solution during a chemical reaction |
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| A short way to show a chemical reaction, using symbols |
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Sustances that enter into a chemical reaction. They are on the left side of a chemical equation.
REACTANTS -----> PRODUCTS |
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Substances produced as a result of a chemical reaction. They are on the right side.
reactants -----> PRODUCTS |
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| A system in which matter can enter from or excape to the surrounding |
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| A system in which no matter is allowed to enter or leave |
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| A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant or product are involved EX: 3H2O |
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A chemical reaction in which two or more simple substances (reactants) combine to form a new, more complex substance (product).
A + B ----> AB |
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A chemical reaction that breaks down reactants into simpler products
AB ----> A + B |
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A reaction in which one element replaces another in a compound or when two elements in different compounds trade places
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| The minimum amount of energy needed to get a chemical reaction started |
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| The amount of one material in a certain volume of another material |
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| A material that increases the rate of a reaction by lowering the activation energy |
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| A biological catalyst that lowers the activation energy of reactions in cells |
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| A material that decreases the rate of a reaction |
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| A rapid reaction between oxygen and fuel that results in fire |
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| A material that releases energy when burned |
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