1. Fig. 4 pg.602
1. Identify the Na+ and Cl- in teh diagram
Na+ = white, smaller
Cl- = green, bigger
2. Describe what situation the diagram could represent.
3. Use your own words to describe what is happening in the 2nd diagran.
4. Describe what is happening in the 3rd diagram.
2. Examples of each vocabulary
Separation of Mixtures activity
Procedure on board (have to be in class for this one)
1. Was it easy to separate a mixture? Why or why not?
2. All of the following would be helpful in separating mixture of sand and salt except
a. a magnet
b. a glass cup
c. a filter paper and funnel
1. Q. Is there a limit to how
much solute you can add to the solvent?
2. Q. What would be 2 factors
that might affect the solubility of a substances?
More CO2 will dissolve in cold water than warm water.
Q. Does more CO2 escape when you open a warm or cold bottle of soda?
does warm soda taste "flat"?
"like" dissolves "like"
Sharpen your Skills (pg. 605)
Graph the data and answer the question.
2. Q. What does adding NaCl to
H2O do fro boiling water to cook?
3. Lower freezing points -
Fig. 9, pg. 606
1. describe pure water -
2. describe ice -
3. describe salt water -
example - salt on icy roads
4. Higher boiling points -
The presence of solutes raises the boiling point of a solvent
example - coolant in a car radiator
Section 1 Review pg. 607 #1-4
1. Properties of Acids
Demonstartion - HCl on blue litmus paper
2. Indicators -
1. litmus paper
2. pH paper
3. hydrangea flowers
4. cabbage juice
Uses of Acids (pg. 613)
1. Properties of bases
Reactions with indicators
Reactions of bases
Uses of Bases (pg. 614)
1. What trend do you see when you compare
acids and bases formulas?
2. Acids in solution -
A. acids in water separate into H+ and negative ion
B. example - HCl
3. Bses in solution -
A. not every base contains a hyroxide ion (OH-)
B. example - NaOH
4. pH scale - (fig. 20, pg. 619)
A. 0 - 14
B. 0 - 7 acidic
C. 7 - 14 basic
D. 7 neutral
E. higher or lower the number it becomes stronger
Table - acid, base or neutral
milk of magnesia
devils food cake
What did you eat for dinner - acid, base or neutral
Name 5 things
Discover pg. 624
Answer Think it over -
Trace the digestion process (fig. 27, pg. 625)