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chemical formulas
Term | Definition |
---|---|
chemical reaction | process that produces chemical change, resulting in a new substance that has different properties form the original substances |
reactant | substance that exists before a chemical reaction |
product | substance that is formed as a result of a chemical reaction |
chemical equation | shorthand form of writing what reactants are used and what products are formed in a chemical reaction, sometimes shows weather energy is produced or formed |
endothermic reaction | chemical reaction in which heat energy is sabsorbed |
exothermic reaction | chemical reaction in which heat is released |