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A balloon is filled with helium gas. For the question(s) that follow, select the letter of the balloon diagram that corresponds to the given change in conditions. A balloon is filled with helium gas. For the question(s) that follow, select the letter of the balloon diagram that corresponds to the given change in conditions. - A) A B) B C) C D) A and B E) B and C -A balloon is filled with helium gas. For the question(s) that follow, select the letter of the balloon diagram that corresponds to the given change in conditions. - A) A B) B C) C D) A and B E) B and C


A) A
B) B
C) C
D) A and B
E) B and C

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At 570. mm Hg and At 570. mm Hg and a gas sample has a volume of 2270 mL. What is the final pressure (in mmHg) at a volume of 1250 mL and a temperature of if the amount of gas does not change? A) 690. mmHg B) 1560 mmHg C) 700 . mmHg D) 470 . mmHg E) 210. mmHg a gas sample has a volume of 2270 mL. What is the final pressure (in mmHg) at a volume of 1250 mL and a temperature of At 570. mm Hg and a gas sample has a volume of 2270 mL. What is the final pressure (in mmHg) at a volume of 1250 mL and a temperature of if the amount of gas does not change? A) 690. mmHg B) 1560 mmHg C) 700 . mmHg D) 470 . mmHg E) 210. mmHg if the amount of gas does not change?


A) 690. mmHg
B) 1560 mmHg
C) 700 . mmHg
D) 470 . mmHg
E) 210. mmHg

Correct Answer

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Oxygen makes up about ________ percent of the atmosphere.

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In the kinetic molecular theory of gas behavior, the distance between gas molecules is assumed to be ________ the diameter of the gas molecules.


A) approximately the same as
B) 22.4 times
C) large relative to
D) dependent on
E) small relative to

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When the combined gas law is rearranged to solve for When the combined gas law is rearranged to solve for the following is the correct expression: A) B) C) D) E) the following is the correct expression: When the combined gas law is rearranged to solve for the following is the correct expression: A) B) C) D) E)


A) When the combined gas law is rearranged to solve for the following is the correct expression: A) B) C) D) E)
B) When the combined gas law is rearranged to solve for the following is the correct expression: A) B) C) D) E)
C) When the combined gas law is rearranged to solve for the following is the correct expression: A) B) C) D) E)
D) When the combined gas law is rearranged to solve for the following is the correct expression: A) B) C) D) E)
E) When the combined gas law is rearranged to solve for the following is the correct expression: A) B) C) D) E)

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At STP, the molar volume of a gas is ________.

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According to the kinetic theory of gases, a gas can be compressed much more than a liquid or solid because


A) gas particles do not attract or repel one another.
B) a gas is composed of very small particles.
C) gas particles move faster when the temperature increases.
D) the particles of a gas are very far apart.
E) gas particles move rapidly.

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One atmosphere is the same as ________ mmHg.

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The ideal gas law is usually written as ________.

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As the temperature of a gas increases, the density of the gas will


A) increase.
B) decrease.
C) remain constant.

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An autoclave is used to sterilize surgical equipment because


A) it allows water to boil at temperatures above An autoclave is used to sterilize surgical equipment because A) it allows water to boil at temperatures above B) it allows water to boil at at pressures greater than 1 atm. C) it provides very high temperatures and very low pressures. D) it allows water to boil at at pressures less than 1 atm. E) it allows water to boil at temperatures less than
B) it allows water to boil at An autoclave is used to sterilize surgical equipment because A) it allows water to boil at temperatures above B) it allows water to boil at at pressures greater than 1 atm. C) it provides very high temperatures and very low pressures. D) it allows water to boil at at pressures less than 1 atm. E) it allows water to boil at temperatures less than at pressures greater than 1 atm.
C) it provides very high temperatures and very low pressures.
D) it allows water to boil at An autoclave is used to sterilize surgical equipment because A) it allows water to boil at temperatures above B) it allows water to boil at at pressures greater than 1 atm. C) it provides very high temperatures and very low pressures. D) it allows water to boil at at pressures less than 1 atm. E) it allows water to boil at temperatures less than at pressures less than 1 atm.
E) it allows water to boil at temperatures less than An autoclave is used to sterilize surgical equipment because A) it allows water to boil at temperatures above B) it allows water to boil at at pressures greater than 1 atm. C) it provides very high temperatures and very low pressures. D) it allows water to boil at at pressures less than 1 atm. E) it allows water to boil at temperatures less than

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Which of the following is NOT a potential use for a hyperbaric chamber?


A) counteracting carbon monoxide poisoning
B) treating a diver with the bends
C) treating some cancers
D) treatment for burns and infections
E) increasing the rate at which a broken bone heals

Correct Answer

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The atmospheric pressure in Denver, CO is 633 mmHg. What is this pressure in atm?


A) 1.00 atm
B) 633 atm
C) 127 atm
D) 1.20 atm
E) 0.833 atm

Correct Answer

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If atmospheric pressure on a certain day is 749 mmHg, what is the partial pressure of nitrogen, given that nitrogen is about 78% of the atmosphere?


A) 760 mmHg
B) 170 mmHg
C) 600 mmHg
D) 750 mmHg
E) 580 mmHg

Correct Answer

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A sample of helium gas at A sample of helium gas at and 3.60 atm pressure is cooled in the same container to a temperature of What is the new pressure, if volume and amount of gas do not change? A) 5.40 atm B) 2.40 atm C) 2.38 atm D) 3.12 atm E) 4.15 atm and 3.60 atm pressure is cooled in the same container to a temperature of A sample of helium gas at and 3.60 atm pressure is cooled in the same container to a temperature of What is the new pressure, if volume and amount of gas do not change? A) 5.40 atm B) 2.40 atm C) 2.38 atm D) 3.12 atm E) 4.15 atmWhat is the new pressure, if volume and amount of gas do not change?


A) 5.40 atm
B) 2.40 atm
C) 2.38 atm
D) 3.12 atm
E) 4.15 atm

Correct Answer

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Avogadro's Law is usually written as ________.

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Charles's law is usually written as ________.

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According to Boyle's Law, the pressure of a gas increases as the volume decreases because


A) the gas particles strike the walls of the container with more force.
B) the kinetic energy of the gas particles increases.
C) the temperature of the gas increases.
D) the gas particles strike the walls of the container more often.
E) the gas particles get bigger.

Correct Answer

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A diver exhales a bubble with a volume of 250 mL at a pressure of 2.4 atm and a temperature of A diver exhales a bubble with a volume of 250 mL at a pressure of 2.4 atm and a temperature of What is the volume of the bubble when it reaches the surface where the pressure is 1.0 atm and the temperature is if the amount of gas does not change? A) 110 mL B) 100 mL C) 1100 mL D) 580 mL E) 630 mL What is the volume of the bubble when it reaches the surface where the pressure is 1.0 atm and the temperature is A diver exhales a bubble with a volume of 250 mL at a pressure of 2.4 atm and a temperature of What is the volume of the bubble when it reaches the surface where the pressure is 1.0 atm and the temperature is if the amount of gas does not change? A) 110 mL B) 100 mL C) 1100 mL D) 580 mL E) 630 mL if the amount of gas does not change?


A) 110 mL
B) 100 mL
C) 1100 mL
D) 580 mL
E) 630 mL

Correct Answer

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A tank contains a mixture of helium, neon, and argon gases. If the total pressure in the tank is 490. mmHg and the partial pressures of helium and argon are 215 mmHg and 102 mmHg, respectively, what is the Partial pressure of neon?


A) 377 mmHg
B) 173 mmHg
C) 603 mmHg
D) 0.228 mmHg
E) 807 mmHg

Correct Answer

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