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bio 2.4
| Question | Answer |
|---|---|
| chemical reaction | changes substances into different by breaking and forming chemical bonds |
| reactant | substances changed during a chemical reaction |
| product | the substances made by a chemical reaction |
| bond energy | the amount of energy that will break the bond between 2 atoms |
| equilibrium | when both the reactants and products are made at the same rate |
| activation energy | amount of energy that needs to be absorbed for a chemical reaction to start |
| exothermic | chemical reaction releases more energy than it absorbs |
| endothermic | chemical reaction absorbs more energy than releases |