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bhspsvoc9
Phys Sci Voc 9 Chemical Rxns part 2
Term | Definition |
---|---|
catalyst | substance that speeds up a reaction without being changed |
inhibitor | subtance that slows down a reaction |
rate of reaction | (speed of reaction) speed at which reactants are consumed and products are made |
synthesis reaction | two or more substances combine |
decomposition reaction | one substance breaks down into two or more substances |
single replacement reaction | one substance replaces another |
double replacement reaction | two elements switch places |
endothermic reaction | energy (heat) is needed for the reaction,heat goes in, feels cold |
exothermic reaction | energy (heat) is given off in the reaction, feels warm |