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7.1 Chemistry
Vocabulary Words
Question | Answer |
---|---|
reactants | the substances that undergo change in a chemical reaction |
products | new substances formed as a result of a chemical change |
chemical equation | a representation of a chemical reaction in which the reactants and products are expressed as formulas |
coefficients | numbers that appear before a formula in a chemical equation to show the relative proportions of each reactant and product |
mole | an amount of a substance that contains approximately 6.02 X 10^23 particles of the substance |
molar mass | the mass of one mole of a substance |