Term
| What is a chemical reaction? |
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Definition
| Process that changes/transforms one set of chemicals to another |
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Term
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Definition
| Elements and compounds in chemical reaction |
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Term
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Definition
| Elements and compounds produced in chemical reaction |
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Term
| What two important things are conserved during chemical reactions? |
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Definition
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Term
| What do chemical reactions involve? |
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Definition
| Changes in chemical bonds that join atoms in compounds |
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Term
| What changes energy amounts? |
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Definition
| Breaking and forming bonds |
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Term
| What is true about most reactions that release energy? |
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Definition
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Term
| What is true about reactions that absorb energy? |
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Definition
| A source of energy is required |
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Term
| What is a factor on whether or not energy is released/absorbed? |
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Definition
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Term
| What is activation energy? |
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Definition
| Energy needed to get a reaction started |
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Term
| What are catalysts and how do they work? |
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Definition
| Catalysts are a substance that speeds up the rate of a chemical reaction. They lower a reaction's activation energy |
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Term
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Definition
| Enzymes are proteins that act as biological catalysts. |
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Term
| For chemical reactions to take place, what must happen? |
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Definition
| Reactants must collide, and break the former bonds |
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Term
| How do enzymes help in the collision process? |
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Definition
| They provide a site for collision to take place |
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Term
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Definition
| Reactants of enzyme-catalyst reactions |
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Term
| How are enzyme-substrate complexes held together? |
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Definition
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Term
| What is a possible factor that can affect enzymes? |
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Definition
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Term
| How do cells control enzymes? |
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Definition
| Cells contain proteins which can turn enzymes on/off |
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