Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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A milkshake is sipped through a straw at the noted pressure. The straw contains
13.0 mL of liquid. How much liquid is consumed at 0.092 atm?  a. | 15.56 mL | c. | 10.3 mL | b. | 12.0 mL | d. | 22.3 mL |
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2.
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Hospital patients are administered oxygen from an pressurized hyperbaric oxygen
chamber. 325.0 L of oxygen is compressed in a cylinder at 160.0 atm. What volume of oxygen can a
cylinder supply at the given pressure?  a. | 6.09 L | c. | 3.78 L | b. | 8.87 L | d. | 197.9 L |
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3.
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The volume of a sample of helium is 21.3 mL at 20.0°C and 203.0 kPa. What
will its volume be in the figure?  a. | 10.65 mL | c. | 8.27mL | b. | 23.65 mL | d. | 11.38 mL |
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4.
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Which law describes the proportional relationship between the pressure and
volume of a gas?
a. | Boyle’s Law | c. | Gay-Lussac’s Law | b. | Charles’s
Law | d. | Natural
Law |
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5.
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The volume noted in the figure contains nitrogen gas under a pressure of 3.31
atm at 31.8 °C. Calculate the number of moles of nitrogen in the
tank.  a. | 0.0391 mol | c. | 1.26 mol | b. | 0.0274 mol | d. | 1.55 mol |
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6.
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A balloon is filled with 15.7 L of water at 24.0°C and 2.27 atm. The
balloon in the figure is placed outside on a hot day, what is the volume of the balloon (assuming
constant pressure)?  a. | 22.24 L | c. | 8.61 L | b. | 7.29 L | d. | 2.11 L |
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7.
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At an ocean depth of 10.0 m, a diver’s lung capacity is 3.10 L. The air
temperature is 32.0°C and the pressure is 101.30 kPa. What is the volume of the diver’s
lungs at the same depth, at a temperature of 21.0°C and a pressure of 141.20 kPa?
a. | 1.36 L | c. | 1.91 L | b. | 1.45 L | d. | 5.11 L |
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8.
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An ethylene gas torch requires 3200 L of gas at 7.30 atm. What will be the
pressure of the gas if ethylene is supplied by a 250.0 L tank?
a. | 0.979 atm | c. | 57.9 atm | b. | 8.75 atm | d. | 93.44 atm |
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9.
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Gas is confined in a metal tank in the figure. At 25.9 °C, the gas exerts a pressure of 8.532 atm. After heating the tank, the
pressure of the gas increases to 10.406 atm. What is the temperature of the heated gas?  a. | 31.58°C | c. | 114.50°C | b. | 8.27°C | d. | 19.33°C |
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10.
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Four liters of gas at atmospheric pressure is compressed into a 9.81L cylinder.
What is the pressure of the compressed gas if its temperature remains constant?
a. | 34.22 atm | c. | 0.4 atm | b. | 0.74 atm | d. | 7.91 atm |
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11.
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The _____ in a balanced equation specify volume ratios for gaseous reactants and
products.
a. | constants | c. | masses | b. | coefficients | d. | variables |
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12.
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A sample of oxygen gas has a volume of 150.0 mL when its pressure is .947 atm.
What will the volume of the be if the temperature remains constant and the pressure becomes 14
atm?
a. | 151.09 mL | c. | 338.9 mL | b. | 10.1 mL | d. | 578.8 mL |
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13.
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A sample of neon gas occupies a volume of 752 mL at 25°C. What volume will
the gas occupy at 90°C if the pressure remains constant?
a. | 95.7 mL | c. | 6743.9 mL | b. | 820 mL | d. | 2707.2 mL |
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14.
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A helium-filled balloon has a volume of 50.0 L at 25°C and 7.21 atm. What
volume will it have at .855 atm and 10.0°C?
a. | 9.7 L | c. | 90.0 L | b. | 48.8 L | d. | 168.6 L |
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15.
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What quantity of gas, in moles, is contained in 7.21 L at STP?
a. | 1.033 mol | c. | .953 mol | b. | .00546 mol | d. | .321 mol |
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16.
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What volume does 0.721 mol of gas occupy at STP?
a. | 18.5 L | c. | 9.03 L | b. | 16.1 L | d. | 170.5 L |
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17.
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What principle is illustrated in the figure?  a. | Boyle’s Law | c. | Ideal Gas Law | b. | Charles’s Law | d. | Scientific
Theory |
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18.
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A gas is confined in a steel tank with a volume of 6.982 L. At 7.21°C, the
gas exerts a pressure of 8.532 atm. After heating the tank, the pressure of the gas increases to
10.406 atm. What is the temperature of the heated gas?
a. | –30.0 °C | c. | 8.79°C | b. | 30.0 °C | d. | 102.55°C |
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19.
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How many moles of helium gas are contained in a 7.21 L flask at STP?
a. | 8.12 mol | c. | 0.321 mol | b. | 3.132 mol | d. | 0.901 mol |
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20.
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A steel tank with a volume of 7.21 L contains N2 gas under a pressure
of 4.972 atm at 31.8 °C. Calculate the number of moles of N2 in the tank.
a. | 0.078 mol | c. | 3.044 mol | b. | 1.43 mol | d. | 29.1 mol |
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21.
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According to Gay-Lussac’s law:
a. | pressure is inversely proportional to volume at constant
temperature. | b. | pressure is directly proportional to temperature at constant
volume. | c. | volume is inversely proportional to temperature at constant
pressure. | d. | volume is directly proportional to temperature at constant
pressure. |
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22.
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What volume of oxygen is needed to react with solid sulfur to form 10.0 L of
sulfur dioxide?
a. | 100 L | c. | 101 L | b. | 10.0 L | d. | 98.0 L |
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23.
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How many moles of steam are produced at 2.00 atm and 202.0°C by the
complete combustion of 7.21 L of methane gas?
a. | 0.321 mol | c. | 1.76 mol | b. | 0.945 mol | d. | 0.369 mol |
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24.
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Seven liters of gas at atmospheric pressure is compressed into a 0.85 L gas
cylinder. What is the pressure of the compressed gas if its temperature remains constant?
a. | 0.308 atm | c. | 8.23 atm | b. | 5.97 atm | d. | 9.33 atm |
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25.
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When a bicycle reaches the top of a hill with a tire volume of 0.80 L, the
atmospheric pressure is 7.21 atm. What is the maximum volume of air that can be filled in the tire
just before it bursts?
a. | 3.81 L | c. | 14.97 L | b. | 0.56 L | d. | 0.110 L |
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26.
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When a milkshake is taken in through a straw at a pressure of 0.071 atm, the
straw contains 7.21 mL of liquid. How much liquid is consumed at 0.092 atm?
a. | 0.367 mL | c. | 71.3 mL | b. | 5.56 mL | d. | 4.72 mL |
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27.
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In a hospital, oxygen is administered to patients at 3.0 atm in a hyperbaric
oxygen chamber. Oxygen gas, measuring 721.0 L, is compressed in a cylinder at 160.0 atm. What volume
of oxygen can a cylinder supply at the given pressure?
a. | 78.3 L | c. | 22.8 L | b. | 13.51 L | d. | 53.1 L |
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28.
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A 7.21 L balloon is filled with water at 2.27 atm. If the balloon is squeezed
into a 0.80 L beaker and does NOT burst, what is the pressure of water in the balloon?
a. | 12.77 atm | c. | 44.3 atm | b. | 0.003 atm | d. | 20.4 atm |
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29.
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A balloon is filled with 7.21 L of water at 24.0°C and 2.27 atm. If the
balloon is placed outdoors on a hot day at a temperature of 34.0°C, what is the volume of the
balloon at constant pressure?
a. | 10.2 L | c. | 37.4 L | b. | 48.2 L | d. | 5.92 L |
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30.
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The volume of a sample of helium is 7.21 mL at 20.0°C and 203.0 kPa. What
will its volume be at 10.0°C and 203.0 kPa?
a. | 7.6 mL | c. | 3.6 mL | b. | 11.6 mL | d. | 18.32 mL |
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31.
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The volume of a 33-g sample of methane gas is 22.8 L at 40.0°C and 4.00
atm. What will its volume be at 68.0°C and 4.00 atm?
a. | 0.43 L | c. | 12.5 L | b. | 0.75 L | d. | 27.3 L |
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32.
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A 7.21-L sample of fluorine is heated from 90.0°C to 186.0°C. What
volume will the sample occupy at the higher temperature?
a. | 20.5 L | c. | 76.5 L | b. | 14.9 L | d. | 31.0 L |
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33.
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A welding torch requires 3200 L of ethylene gas at 3.00 atm. What will be the
pressure of the gas if ethylene is supplied by a 305.0-L tank?
a. | 0.321 atm | c. | 24.3 atm | b. | 2.34 atm | d. | 31.4 atm |
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34.
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The volume of a gas is 7.21 L at 30.0°C and 1.00 atm. What volume will the
gas occupy if the temperature is raised to 134.0°C at constant pressure?
a. | 0.581 L | c. | 21.3 L | b. | 32.2 L | d. | 7.55 L |
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35.
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A sample of carbon dioxide occupies a 7.21 ml container at STP. What is the
volume of the gas at a pressure of 5 atm and a temperature of 26.0°C?
a. | 7.01 ml | c. | 18.2 ml | b. | 1.5 ml | d. | 0.321 ml |
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36.
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A diver finds the best corals at a depth of approximately 10.0 m. The
diver’s lung capacity is 3.30 L. The air temperature is 32.0°C and the pressure is 101.30
kPa. What is the volume of the diver’s lungs at 10.00 m, at a temperature of 21.0°C, and a
pressure of 141.20 kPa?
a. | 1.73 L | c. | 2.98 L | b. | 1.55 L | d. | 16.4 L |
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37.
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One liter of a gas has a pressure of 79 kPa at 25.0°C. If the pressure
increases to 600.0 kPa and the temperature to 100.0°C, what would be the new volume of the
gas?
a. | 0.52 L | c. | 5 L | b. | 0.027 L | d. | 3 L |
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Short Answer
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38.
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An oxygen canister in a climbing camp high on Mount K-2 has a pressure of 5.00
atm at 25°C. If the temperature falls to -10°C, what is the new pressure inside the
canister? 
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39.
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The scuba diver in the figure blows an air bubble 10 m underwater. As it rises
to the surface, the pressure decreases from 2.25 atm to 1.03 atm. What will the volume of air in the
bubble at the surface? 
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Problem
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40.
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If the pressure exerted by a gas at 27.0°C in a vessel of volume 0.050 L is
4.00 atm, how many moles of the gas are present?
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