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2.4 austin s.
Question | Answer |
---|---|
What is the definiton of chemical reaction? | A process that changes (or transforms) one set of chemicals to another |
What are reactants? | Reactants are the elements or compounds that enter into (begin) a chemical reaction |
What are products? | Products are the elements or compounds that are produced by (result from) a chemical reaction |
If the reactants have more energy than the products is the energy released or absorbed? | Released |
What is activation energy? | The energy needed to get a chemical reaction started |
How does a catalyst speed up the rate of a chemical reaction? | By lowering a reaction's activation energy |
If the reactants have less energy than the products is the energy released or absorbed? | absorbed |
What are enzymes? | Proteins that act as biological catalsts |