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Gas Laws
Test Description: Another Test
Instructions: Answer all questions to get your test result.
1) A gas occupies has a volume of 500ml at a pressure of 0.971atm. What volume will the gas occupy at a pressure of 1.50 atm, assuming the temperature remains constant?
A
324 mL
B
424 mL
C
442 mL
D
342 mL
2) What is 123 Celcius in Kelvin?
A
458 K
B
396 K
C
369 K
D
486 K
3) Gas pressure is caused by:
A
gas particles colliding with the container
B
gas particles combining with each other releasing energy.
C
gas particles colliding with each other.
D
gas particles condensing to liquid
4) At a pressure of 5.0 atm a gas occupies 40 L. What volume will it occupy if it expands to reach a pressure of 1.0 atm?
A
0.025 L
B
200 L
C
8.0 L
D
0.200 L
5) In a mixture of carbon dioxide, oxygen, and helium, which gas particles are moving fastest?
A
Helium
B
All are the same
C
Carbon dioxide
D
Oxygen
6) A gas at STP occupies 11.2 L and has a mass of 20. g. The gas must be:
A
Ar
B
N2
C
Ne
D
O2
7) A fire extinguisher contains 4400 g of CO2. What volume of gas would this be at STP?
A
2200 L
B
8800 L
C
100000 L
D
4400 L
8) A hot air ballon rises because
A
The gas pressure goes up
B
The gas pressure goes down
C
The gas density goes up
D
The gas density goes down
9) For one mole of gas at the same temperature and pressure, which gas will occupy more volume?
A
He
B
Ne
C
They are all the same.
D
Ar
10) If the volume of aone mole of gas is increased at 200 K, the pressure will
A
change unpredictably
B
increase
C
remain the same
D
decrease
11) The gas law that describes the relationship between volume and number of moles is
A
Avogadro's Law
B
Charles' Law
C
Dalton's Law
D
Boyle's Law
12) The pressure of a mixture of gases is
A
depends on the identity of the component gases
B
the sum of all the partial pressures
C
equal to the largest partial pressure of one of the components
D
the sum of the partial pressures divided by the total volume
13) A gas at a pressure of 608 mm Hg is held in a container with a volume of 545 mL. The volume of the container is then increased to 1,065 mL without a change in temperature. What is the new pressure of the gas?
A
511 mm Hg
B
51.1 mm Hg
C
31.1 mm Hg
D
311 mm Hg
*select an answer for all questions
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