1 5 what are solutions
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Launch: 1/4 Grab your binder and immediately take a seat!
On the folder, write your first name last name block #
Carefully empty the contents of binder into the folder Make sure it stays organized!
Objective: I can describe the properties of the three states of matter
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New Changes for the New Year! Late homework policy
Late homework in now due the day after you return Notes packets, handouts, and practice questions will
can be found: at the back of the classroom
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New Changes for the New Year! Class consequences
1. Name on board 2. Take a break
3. Call home 4. Sent to Mr. Wandera
Rules: still the same 7
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January Calendar Jan 2010 (Pacific Time)LPS Chem, Assessments, Unit Plan
28 29 30 31 1
4 5 6 7 8
11 12 13 14 15
18 19 20 21 22
25 26 27 28 29
Solutions
Solutions Acids and Bases
Quiz
MLK No School Acids and Bases
End of Semester
Quiz
Acids and Bases
Unit #6 Exam
Monday Tuesday Wednesday Thursday Friday
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What are solutions? Mr. Heffner
1/5/10
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What is a mixture? A mixture is…
when 2 (or more) substances are combined
There are two types of mixtures: “things”
Homogenous homo = same Evenly mixed
Examples: Salt water Kool-Aid
Heterogeneous hetero = different Not evenly mixed
Examples: Sand and water Oil and water
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What is a solution? A solution is…
a homogeneous mixture of 2 (or more) substances. made up of a solute and a solvent
Solutes are the things that are dissolved Usually a solid
Solvents are the things that solutes are dissolved in Always a liquid Always larger in quantity
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What is a solution? To make a kool-aid solution,
+ =
solute solvent solution
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Examples Is it a solution?
1. sugar and water 2. dirt and water
3. vegetable soup (vegetables & chicken broth)
For the following solutions, name the solute and the solvent: 1. Salt water (salt & water)
Solute = salt
Solvent = water
2. Soda (syrup, CO2, & water) Solute = syrup, CO2
Solvent = water
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Foldable Make a foldable and define the following terms:
Substance Heterogeneous mixture
Homogeneous mixture Solution Solvent
Solute Solid
Liquid
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Exit Slip
1. Which of the following are states of matter?
I II III a. I only b. I and II c. III only
d. I and III
Gas Intermolecular
attraction Liquid
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Exit Slip 2. Which of the following is an example of a solid?
a. milk b. ice
c. the air d. water
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Exit Slip 3. Molecules in a solid are held together because of
a. a strong intermolecular attraction to neighboring molecules.
b. a weak intermolecular attraction to neighboring molecules.
c. a weak electrostatic attraction between anions and neighboring cations.
d. no intermolecular attraction to neighboring molecules.
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Exit Slip 4. Unlike liquids, the molecules in gases
a. do not move randomly. b. move randomly but have strong intermolecular
attractions. c. are usually opaque in color. d. move very fast and are not attracted to other
molecules.
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Exit Slip 5. In which of the following substances would the
molecules have the most amount of random movement?
a. water
b. ice c. steam
d. a chair
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Homework Finish practice questions