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WorksheetsReview of Unit 1
Total questions: 39
Worksheet time: 53mins
Name
Class
Date
1.
When Pressure increases then the Volume must...
a)
Increase
b)
decrease
2.
When Volume increases then Pressure must...
a)
Increase
b)
Decrease
3.
A gas at a volume of 4 liters is at a pressure of 2 atm. The volume is changed to 16 Liters, what must the new pressure be?
a)
2 atm
b)
12 atm
c)
10 atm
d)
0.5 atm
4.
Which container will have a lower pressure?
a)
left
b)
right
c)
they both have the same pressure
d)
I don't know
5.
True or False: Gases can be compressed.
a)
True
b)
False
6.
Which variable is held constant when using Boyle's Law?
a)
Temperature
b)
Pressure
c)
Volume
d)
number of moles
7.
If a balloon is cooled what will happen to the volume?
a)
Volume will increase
b)
Volume will decrease
c)
Volume will not change
8.
Boyle's law : The pressure and volume of a gas show a _____ relationship.
a)
Inverse
b)
Direct
9.
You have a gas that has a pressure of 2 ATM and a volume of 10L. What would be the new volume if the pressure was changed to 1 ATM?
a)
5 L
b)
20 L
c)
It would stay at 10L
d)
1 L
10.
Pick the best answer to explain all properties of gases....
a)
They're fluids
Can be compressed
Little space between particles
Can be compressed
Little space between particles
b)
They're solids
Can be compressed
Lots of space between particles
Can be compressed
Lots of space between particles
c)
They're fluids
Cannot be compressed
Lots of space between particles
Cannot be compressed
Lots of space between particles
d)
They're fluids
Can be compressed
Lots of space between particles
Can be compressed
Lots of space between particles
11.
In an exothermic reaction, heat is ...
a)
taken in or absorbed
b)
given out or released
12.
In an endothermic reaction, heat is ...
a)
taken in or absorbed
b)
given out or released
13.
What type of reaction occurs in a hand warmer
a)
exothermic
b)
endothermic
14.
Baking bread and cooking an egg are examples of....?
a)
Endothermic processes
b)
Exothermic processess
c)
None of these
15.
What two colors are the cat's hat in "The Cat in the Hat"?
a)
Red and White
b)
Red and Blue
c)
Blue and White
d)
White and Black
16.
How many days are in August?
a)
28
b)
30
c)
31
d)
912
17.
Who are these ladies?
a)
The Golden Girls
b)
The Old Timers
c)
Betty White and Sisters
d)
Facts of Life Girls
18.
Who invented the telephone?
a)
Bill Gates
b)
John Dunlop
c)
Benjamin Franklin
d)
Alexander Graham Bell
19.
According to the old saying, "A journey of a thousand miles begins with..." what?
a)
A good night's rest
b)
A single step
c)
A map and compass
d)
An apple
20.
At 30'C, which substance has the lowest solubility?
a)
KNO3
b)
KBr
c)
NaCl
d)
Yb2(SO4)3
21.
At which temperature do KBr and KNO3 have the same solubility?
a)
60
b)
55
c)
50
d)
Never
22.
The solubility of Yb2(SO4)3 ________________ with added temperature.
a)
increases
b)
decreases
c)
remains the same
23.
Pizza
a)
Heterogeneous
b)
Homogeneous
24.
Stainless steel
a)
Heterogeneous
b)
Homogeneous
25.
The substance being dissolved to form a solution is the __________.
a)
solvent
b)
solute
c)
precipitate
d)
mixture
26.
Sweet Tea, everything is mixed evenly and looks the same.
a)
Heterogeneous Mixture
b)
Homogeneous Mixture
27.
substance that dissolves the solute
a)
solution
b)
solvent
c)
saturation
d)
so
28.
Sugar water is a
a)
solution
b)
suspension
c)
colloid
29.
A saturated solution is______
a)
No more solute can be dissolved
b)
More solute can be dissolved
c)
The solvent and solution
30.
What type of mixture separates upon standing?
a)
Solution
b)
Alloy
c)
Colloid
d)
Suspension
31.
Which substance is MOST soluble at 0 ºC?
a)
KCI
b)
NaNO3
c)
NaCl
d)
Ce2(SO4)3
32.
Sand floating in water, but most of the sand is settled at the bottom this an example of which type of mixture?
a)
A solution
b)
A colloid
c)
A suspension
d)
A compound
33.
Milk is a homogeneous mixture, and scatters light.
a)
solution
b)
suspension
c)
colloid
34.
Which of the following has the largest particles?
a)
Solution
b)
Suspension
c)
Colloid
35.
Which of the following appear to be clear (are not cloudy)?
a)
Solution
b)
Suspension
c)
Colloid
36.
What is the variable for this number 9.10 atm
a)
P
b)
T
c)
n
d)
V
37.
What is the variable for this number 122 K
a)
P
b)
T
c)
n
d)
V
38.
What is the variable for this number 1.5 mol
a)
P
b)
T
c)
n
d)
V
39.
Which law helps us find the moles of gas in a sample?
a)
Charles Law
b)
Boyle's Law
c)
Combined Gas Law
d)
Ideal Gas Law
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