Chem Solutions Flash Cards
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Last updated 5:22 PM on 3/13/25
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10 Terms
1
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What is a colloid?
A mixture that does not separate on standing and has particle sizes ranging from 1 to 1000 nm.
2
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What defines a suspension?
A mixture where large particles over 1000 nm settle out and can be filtered.
3
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What distinguishes a homogeneous mixture?
A mixture that has a uniform composition and properties throughout.
4
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What is a characteristic of a heterogeneous mixture?
A mixture that does not have a uniform composition and can often be separated into its components.
5
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What is the particle size range for a colloid?
1 to 1000 nm.
6
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What is the particle size for solutions?
0.01-1 nm, consisting of atoms, ions, or molecules.
7
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How does the Tyndall Effect relate to colloids?
Colloids scatter some wavelengths of light, causing them to display the Tyndall Effect.
8
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What happens to particles in a suspension over time?
Particles settle out and can be filtered.
9
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Does a colloid scatter light?
No, it does not scatter light.
10
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Can a homogeneous mixture be filtered?
No, it cannot be filtered.
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