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| the are of study that examines the wuantities of substances consumed and produced in chemical reactions |
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| the representation of a chemical reaction |
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| chemical formulas to the left of the arrow, or starting substances |
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| substances to the right of the arrow, after production |
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| two or more substances combine to form a single product. many elements react with one another in this fasion to form compounds |
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| a single reactant breaks apart to form two or more substances. Many compounds react this way when heated |
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| a substance is the sum of the stomic weights of the stomsm in the chemical formula of the substance |
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| same as formula weight if the chemical formula is that of a molecule |
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(#of atoms of element)(atomic weight of element)/formula weight of substace
x 100 |
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