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TERMS 2.4
| Question | Answer |
|---|---|
| Chemical Reaction | Process by which substances change into different substances through the breaking and forming of chemical bonds |
| Reactant | Substance that is changed by a chemical reaction |
| Product | Substance formed by a chemical reaction |
| Bond Energy | Amount of energy needed to break a bond between two particular atoms; or the amount of energy released when a bond forms between two particular atoms |
| Equilibrium | Condition in which reactants and products of a chemical reaction are formed at the same rate |
| Activation Energy | Energy input necessary to initiate a chemical reaction |
| Exothermic | Chemical reaction that yields a net release of energy in the form of heat |
| Endothermic | Chemical reaction that requires a net input of energy |