| A | B |
|---|
| reactant | any substance that enters into a chemical reaction |
| subscript | the number that describes how many molecules of a substance are involved in a chemical reaction |
| double replacement reaction | AB + CD ---> AC + BD |
| single replacement reaction | an uncombined element replaces an element that is part of a compound |
| increase | Occurs to a reaction rate when temperature increases |
| products | In this reaction AlCl3---> 2Al + 3Cl, the Al and Cl are ________________. |
| chemical bond | formed when electrons are gained, lost, or shared |
| chemical equation | an expression in which symbols and formulas are used to represent a chemical reaction |
| exothermic | 2 substances are combined and there is a release of energy. |
| decomposition | complex substance breaks down into 2 or more simpler substances |
| decomposition | ABC ----> A + B + C |
| endothermic | chemical reaction in which heat is absorbed |
| activation energy | chemical energy needed for reactants to form products. |
| decrease | A decrease in surface area will cause a ________________ in the reaction rate |
| increase | An increase in the concentration of the reaction will cause an ___________________ in the rate of the chemical reaction |
| Reactants | written to the right of the ---> in a chemical equation |
| products | written to the left of the ---> of a chemical equation |
| synthesis reaction | A + B + C -----> ABC |
| single replacement reaction | AB + C -----> AC + B |
