What is the main difference between the three types of mixtures: solutions, colloids, and...
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Transcript of What is the main difference between the three types of mixtures: solutions, colloids, and...
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FridayMarch 25, 2011
(Tyndall Effect; Properties of Mixtures)
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Bell RingerFriday, 3-25-11
What is the main difference between the three types of mixtures: solutions,
colloids, and suspensions?The main difference between solutions,
colloids, and suspensions is the size that
the solute particles are broken down into by the
solvent.
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Announcements
If you have not yet taken our last test (Test 8), please see
me ASAP!
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Six-Week’s Assignment List Date Issued Date Due
WS - The Kinetic Molecular Theory and Nature of Gases 2/24 3/3
Quiz – Pressure Unit Conversions 3/3 3/3
WS – The Gas Laws 3/3 3/10
WS – Dalton’s Law of Partial Pressures 3/7 3/14
WS – Practice Working with Gases 3/9 3/23
TEST 8 3/11 3/11
WS - Solubility 3/21 3/28
WS – Types of Mixtures 3/23 3/30
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Complete Worksheet
Types of Mixtures
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Tyndall Effect• Many colloids appear
homogeneous because the individual particles cannot be seen.
• The particles are, however, large enough to scatter light.
• You have probably noticed that a headlight beam is visible on a foggy night.
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Tyndall Effect• This effect, known as the
Tyndall effect, occurs when light is scattered by colloidal particles dispersed in a transparent medium.
• The Tyndall effect is a property that can be used to distinguish between a solution and a colloid.
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Properties of Solutions, Colloids and Suspensions