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Gas Laws

Total questions: 22

Worksheet time: 1hrs 26mins

Name
Class
Date
1.

Which of these is a unit of temp? PICK Three

a)

Kelvin (K)

b)

cm3

c)

F

d)

atm

e)

Celcius (C)

2.

IF we are using Boyles' law and our Pressure goes UP, what must our volume do?

a)

Go UP

b)

Go DOWN

c)

Stay the same

d)

Wrong law.

3.
What is the formula for Boyle's Law?
a)
P1V1=P2V2
b)
P1V1/P2V2
c)
P1V2=P2V1
d)
P1/V1=P2/V2
4.
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
5.
What is the formula Charles' Law?
a)
V = T
b)
VT = VT
c)
T1 / V1 = T2 / V2
d)
V1 / T1 = V2 / T2
6.
What is 50 C in Kelvin?
a)
223
b)
323
c)
100
d)
50
7.
The volume of a sample of a gas at 273 oC is 200 liters. If the volume is decreased to 100 liters at constant pressure, what will be the new temperature of the gas?
a)
0 K
b)
546 K
c)
273 K
d)
100 K
8.
A sample of oxygen gas in a closed system has a volume of 200 milliliters at 600 K. If the pressure is held constant and the temperature is lowered to 300 K, the new volume of the gas will be -
a)
400 milliliters.
b)
300 milliliters.
c)
100 milliliters.
d)
200 milliliters.
9.
Gas Laws involve what three terms?
a)
Solid Liquid Gas 
b)
Speed Velocity Acceleration 
c)
Elements Compounds Mixtures 
d)
Pressure Temperature Volume 
10.
PV=nRT
a)
Charles Law
b)
Boyle's Law
c)
Combined Gas Law
d)
Ideal Gas Law
11.
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
12.
In order to convert to Kelvin, you add ______ to the Celsius measurement.
a)
372
b)
273
c)
237
d)
732
13.
What pressure, in atm, is exerted by 2.50 L of gas containing 1.35 mol at 320 K?
PV=nRT
a)
14.19 atm
b)
16.53 atm
c)
18.42 atm
d)
22.54 atm
14.

I’ve got a car with an internal volume of 12,000 L. If I drive my car into the river and it implodes, what will be the volume of the gas when the pressure goes from 1.0 atm to 1.4 atm?

a)

8571.43 L

b)

3210.26 L

c)

8669.0 atm

d)

3905.33 atm

15.

If I have 5.6 liters of gas in a piston at a pressure of 1.5 atm and compress the gas until its volume is 4.8 L, what will the new pressure inside the piston be?

a)

1.8 atm

b)

3.27 atm

c)

1.8 L

d)

3.27 atm

16.

A scientist records the volume of a gas in a chamber to be 30 ml. The scientist does not count the amount of gas before adding more. After adding more gas the scientist found the new volume of gas in the chamber to be 180 ml. The scientist found that the final amount of gas in the chamber was 42 moles. how many moles of gas were originally in the chamber

a)

7 moles

b)

6 moles

c)

128.57 moles

d)

128.6 Moles

17.
Which equation represents Dalton's Law?
a)
e=mc2
b)
PV=nRT
c)
P1/T1=P2/T2
d)
Ptotal=P1, P2, P3...
18.
Three gases, Ar, N2 and H2 are mixed in a 500L container. Ar has a pressure of 255 torr, N2 has a pressure of 228torr and H2 has pressure of 752torr. What is the total pressure in the container?
a)
483torr
b)
270torr
c)
1235torr
19.
A mixture of hydrogen, nitrogen, and water vapor has a total pressure of 864 mmHg. The partial pressure of hydrogen is 220 mmHg and that of nitrogen is 410 mmHg. What is the partial pressure of water vapor?
a)
234 mmHg
b)
1.37 mmHg
c)
2.64 mmHg
d)
1, 494 mmHg
20.
Which diagram best shows the end result of diffusion?
a)
F
b)
G
c)
H
d)
J
21.
The picture  is an example of _________________.
a)
isotonic
b)
diffusion
c)
osmosis
d)
active transport
22.
Diffusion is the movement of molecules from an area of _____ concentration to an ______ concentration
a)
High, low
b)
Low, high
c)
Low, low,
d)
High, high

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