Term
| To start any chemical reaction, a minimum amount of what is needed? |
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Definition
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Term
| What tells you how much something changes over a given period of time? |
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Definition
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Term
| What tells how fast a reation occurs after it has started? |
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Definition
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Term
How does temperature affect the rate of reaction?
*discussion* |
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Definition
| Most chemical reactions speed up when temperature increases. Lowering the temperature slows down most reactions. |
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Term
How does concentration affect the rate of reaction?
*discussion* |
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Definition
| If you increase concentration, you increase the number of particles of a substance per unit of volume. |
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Term
| What is the amount of substance present in a certain volume? |
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Definition
| the concentration of that substance |
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Term
| How does surface area affect the rate of reaction? |
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Definition
| ONly the atoms or molecules in the layer of the reactant material can touch the other reactants and react |
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Term
| What is a substance that slows down a chemical reaction? |
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Definition
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Term
| What is a substance that speeds up a chemical reaction? |
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Definition
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Term
| What are needed to speed up reactions needed for your cells to work properly? |
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Definition
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Term
| How do enzymes help your body? |
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Definition
| They convert food to fuel, build bones, muscle tissue, convert extra energy to fat, and even produce other enzymes. |
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Term
| What is one class of enzymes that specializes in protein reactions? |
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Definition
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Term
| Proteases work within cells to break down large, complex molecules called what? |
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Definition
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