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CRIntPhySciChemRxnVo
CRIntegratedPhysicalScienceChemicalReactionsVocabulary
Question | Answer |
---|---|
preventing loss | conservation |
change of a substance in which its identity does not change, but its appearance may | physical change |
change in which one or more substances are changed into one or more new and different substances | chemical change |
another name for a chemical change | chemical reaction |
heat taken in to make a change happen | endothermic |
heat released when a change happens | exothermic |
matter cannot be created or destroyed during ordinary physical or chemical changes | Law of Conservation of Mass |
substances that undergo the chemical change | reactants |
substances produced by the chemical change | products |
uses formulas for compounds and numbers to represent a chemical reaction | chemical equation |
big numbers in front of the chemical formula in a chemical equation; these numbers are multiplied by each atom in the formula and are used to balance the equation | coefficients |