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Definition
Changes in which the identity of a substance doesn't change. |
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Term
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Definition
The identities of substances change and new substances form. |
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| When converting one measurement to another in the SI system, set the larger unit equal to this. |
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Definition
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| Density is a (chemical/physical) characteristic of a substance. |
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Definition
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| The formula for density is: |
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Definition
D = m/V
or Density equals mass divided by volume. |
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Term
| All matter is composed of approximately 110 different kinds of this. |
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Definition
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| Pure substances are of these two types: |
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Definition
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Term
| Consists of two or more atoms combined in a definite or fixed ratio. |
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Definition
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| Pure substances that are not elements are: |
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Definition
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| A sample of matter that contains two or more substances. |
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Definition
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Term
| In this type of mixture, pure substances are uniformly distributed throughout. |
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Definition
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| This type of mixture contains substances that are not evenly mixed. |
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Definition
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Term
| Separation of sand from water uses this technique. |
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Definition
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Term
| This type of separation of mixtures involves differences in boiling point. |
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Definition
| Evaporation or Distillation |
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