Gases Quiz 2016
.
- 1.
Unit for counting gas particles
- A.
Mole
- B.
Kelvin
- C.
Atm
- D.
Liters
Correct Answer
A. Mole -
- 2.
Unit for pressure.
- A.
Moles
- B.
Atm
- C.
Liters
- D.
Kelvin
Correct Answer
B. Atm -
- 3.
The gas constant "k" would be found on this graph as...
- A.
The x-axis
- B.
The y-axis
- C.
The independent varible
- D.
The slope
Correct Answer
D. The slope -
- 4.
The plunger on a sealed (closed) syringe is pushed down by a student. The pressure inside increases, but the temperature is made to be constant. Which of the following helps explain why the pressure inside the syringe increases?
- A.
The gas particles start to move faster and they hit the walls with more force.
- B.
The gas particles start to move slower and they hit the walls with more force
- C.
The gas particles go the same speed but they hit the walls more often
- D.
More gas particles go inside the syringe and hit the walls more often.
Correct Answer
C. The gas particles go the same speed but they hit the walls more often -
- 5.
A sealed bag of Cool Ranch Doritos is taken up Mt. Lemmon and you see that its volume increases. Which of these best explains why the bag gets bigger?
- A.
The particles of air inside the bag got bigger.
- B.
The number of particles inside the bag increased.
- C.
The temperature on Mt. Lemmon is lower and this causes the pressure inside to increase.
- D.
The air on Mt. Lemmon is less dense so there is less external air pressure on the bag.
Correct Answer
D. The air on Mt. Lemmon is less dense so there is less external air pressure on the bag. -
- 6.
A sealed can full of air is thrown on a fire. Choose which of the variables below stay constant as the can heats up (it has not yet exploded).
- A.
Temperature
- B.
Volume
- C.
External Pressure
- D.
Internal Pressure
- E.
Number of gas particles
Correct Answer(s)
B. Volume
C. External Pressure
E. Number of gas particles -
- 7.
Find the missing PressureP (atm)V (L)k (atm*L)1.06.0 12.0
- A.
6
- B.
3
- C.
2
- D.
0.5
Correct Answer
D. 0.5 -
- 8.
A 100 Liter balloon travels up into the sky. The temperature goes down to -25o C and the pressure goes down to 0.3 atm. Which of these equations would you use if you were trying to find the number of gas particles inside the balloon?
- A.
V = n*R / P*T
- B.
V = P*T / n*R
- C.
N = P*V / R*T
- D.
N = R*T / P*V
Correct Answer
C. N = P*V / R*T -
- 9.
Imagine you have a balloon filled with air. You let some of the air out of the balloon.Check THREE of the following statements that are true.
- A.
The mass of the balloon will decrease
- B.
The volume of the balloon will decrease
- C.
The density of the balloon will decrease
- D.
The mass of the balloon will increase
- E.
The volume of the balloon will increase
- F.
The density of the balloon will increase
- G.
The mass of the balloon will stay the same.
- H.
The volume of the balloon will stay the same.
- I.
The density of the balloon will stay the same.
Correct Answer(s)
A. The mass of the balloon will decrease
B. The volume of the balloon will decrease
I. The density of the balloon will stay the same. -
- 10.
Which of these can you use on the real test?
- A.
A calculator
- B.
A cell phone
- C.
A cell phone with just the calculator app open
- D.
Your laptop
Correct Answer
A. A calculator -
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Current Version
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May 22, 2019Quiz Edited by
ProProfs Editorial Team -
Oct 02, 2016Quiz Created by
Jonathanc
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