Term
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Definition
| A reversible physical change. A substance changes from one state to another. |
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Term
| What happens to the temperature of a substance as it undergoes a phase change? |
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Definition
| The temperature remains the same even though heat is being added. |
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Term
| The freezing point of a substance is the same as it's ________ ______. |
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Definition
| The freezing point of a substance is the same as it's melting point. |
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Term
| Energy is either _____ or ______ during a phase change. |
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Definition
| Energy is either absorbed or released during a phase change. |
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Term
| Energy is absorbed during an _____ change. |
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Definition
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Term
| Energy is released during an _____ change. |
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Definition
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Term
| What is the heat of fusion? |
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Definition
| The amount of energy absorbed to melt a substance. |
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Term
| In what phase (S/L/G) are the molecules of a substance more orderly? |
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Definition
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Term
Name the next six phases:
1) Ice to liquid
2) Liquid to ice
3) Solid to gas
4) Liquid to gas
5) Gas to liquid
6) Gas to solid |
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Definition
1) Melting
2) Freezing
3) Sublimating
4) Vaporization
5) Condensation
6) Deposition |
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Term
| What is the heat of vaporization? |
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Definition
| The amount of energy absorbed to change a liquid into a gas. |
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