Term
Name 3 differences between mixtures and compounds. |
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Definition
mixtures are physically combined & compounds are chemically combined.
new substances are formed in compounds and not in mixtures.
compounds are separated by chemical means; mixtures are separated by physical means. |
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Term
what is a heterogeneous mixture? |
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Definition
a non-uniform blend of 2 or more substances. |
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Term
what is a homogeneous mixture? |
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Definition
a uniform blend of 2 or more substances. |
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Term
What are the 2 types of heterogenous mixtures? |
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Definition
suspensions and colloids. |
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Term
Explain the particles in a suspension. |
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Definition
mixture in which particles of a material are are more or less evenly dispersed throughout a liquid. |
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Term
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Definition
mixture in which tiny particles that are intermediate in size between a solution and a suspension |
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Term
What is the Tyndall Effect? |
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Definition
particles of a colloid are too small to be filtered but are large enough to scatter light |
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Term
substance that dissolves the solvent |
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Definition
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Term
substance in which the solute dissolves |
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Definition
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Term
name 3 examples of solutions |
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Definition
air. carbon dioxide. &alloys |
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Term
how can you separate solutions? |
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Definition
evaporation and distillation |
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Term
what are some examples of colloids? |
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Definition
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Term
How much of the earth is water? your body? |
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Definition
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Term
explain like dissolves like. |
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Definition
a solvent will dissolve substances that are chemically and molecularly similar to it. |
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Term
how can you increase the dissolving process? |
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Definition
shaking or stirring, raising temperature |
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Term
maximum amount of solute that will dissolve in any given solvent at a given temperature and pressure |
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Definition
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Term
amount of solute dissolved in a given volume of a solution |
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Definition
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Term
solution that has a large amount of solute |
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Definition
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Term
solution that has small amount of solute |
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Definition
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Term
holds more solute than it normally can by increasing temperature then cooling down |
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Definition
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Term
can dissolve no more solute |
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Definition
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Term
contains less than the max amount of solute that will dissolve in solvent under the same conditions |
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Definition
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Term
what is the order of mixtures from biggest to smallest? |
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Definition
suspension, colloid, solution |
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Term
what is the formula for molarity? |
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Definition
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