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2122 College Prep Gas Laws Review Flashcards | StudBud
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2122 College Prep Gas Laws Review
2122 College Prep Gas Laws Review
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Gas Laws Review
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1
Which of the following is not a representation of STP?
101.325 torr and 0°C
1 atm and 0°C
760mmHg and 273 K
1 atm and 273 K
2
Which of the following is not a property of an ideal gas?
Gas particles are in constant, directed movement.
Gas particles have no volume.
There are no IMFs between gas particles.
Gas particles have elastic collisions
3
Which of the following is not a property of gases?
Gases will fill any container.
Gases are not expandable or compressible
Gases exert a pressure on surroundings.
Gases mix completely with other gases.
4
1.44 atm = _______ torr
146 torr
1090 torr
10.8 torr
1440 torr
5
Which of the following is used to measure the atmospheric pressure?
Barometer
Calorimeter
Torricelli
Manometer
6
KMT is more likely to hold true for which of the following gases because of weak IMF.
H2O
Ne
NH3
CO
7
A Gas expanded from 20.L to 40.L. What is the initial pressure if the expanded pressure is 4atm
.5 atm
2 atm
8 atm
200 atm
8
At constant pressure, oxygen occupies 35.0L at 300.K. At what temp. will it occupy 50.0L?
429 K
350 K
210 K
400 K
9
The kinetic-molecular theory attempts to explain the properties of what?
Heated gases
Real gases
All gases
Ideal gases
10
How many moles are in a 1500 mL sample gas at standard pressure and 200.K?
9.1 moles
0.0091 moles
0.091 moles
91 moles
11
What is the total pressure exerted if three gases pressures are .233atm, .593atm, and 1.43atm?
2.256 atm
2.26 atm
0.604 atm
0.837 atm
12
Average kinetic energy is directly proportional to the ___________ of the gas.
Volume
Temperature
Pressure
number of moles
13
Which unit(s) is/are incorrect with its variable when being used in the ideal gas law?
P = atm
n = grams
V = L
T = °C
14
What volume did 0.330 moles of gas have with 4.32atm at 504 K?
38.5 L
2.32 L
3.16 L
43.1 L
15
Which of the following will diffuse the slowest?
CO2
H2O
Ar
F2
16
Which unit may not be present when calulating the combined gas law?
Pressure
Moles
Temperature
Volume
17
Charles' law is a mathematical relationship between ________ and __________
Volume and moles
Pressure and Temperature
Volume and Temperature
Volume and Pressure
18
Boyle's Law is the mathematical relationship between _______ and ______.
Pressure and Temperature
Volume and moles
Volume and Temperature
Volume and Pressure
19
Ethanol will evaporate at 60°C at what pressure?
100 kPa
24 kPa
66 kPa
50 kPa
20
A gas is at a pressure of 3.5atm at 35C and 10.L. What is the pressure of the gas at 30.C and 15L?
2.5 atm
2.0 atm
2.3 atm
2.4 atm
