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To solve problems using Charles's Law,which mathematical equation should be used?


A) To solve problems using Charles's Law,which mathematical equation should be used? A) = B) = C) = D) = E) none of the above
=
To solve problems using Charles's Law,which mathematical equation should be used? A) = B) = C) = D) = E) none of the above
B) To solve problems using Charles's Law,which mathematical equation should be used? A) = B) = C) = D) = E) none of the above
To solve problems using Charles's Law,which mathematical equation should be used? A) = B) = C) = D) = E) none of the above
=
To solve problems using Charles's Law,which mathematical equation should be used? A) = B) = C) = D) = E) none of the above
To solve problems using Charles's Law,which mathematical equation should be used? A) = B) = C) = D) = E) none of the above
C) To solve problems using Charles's Law,which mathematical equation should be used? A) = B) = C) = D) = E) none of the above
=
To solve problems using Charles's Law,which mathematical equation should be used? A) = B) = C) = D) = E) none of the above
D) To solve problems using Charles's Law,which mathematical equation should be used? A) = B) = C) = D) = E) none of the above
To solve problems using Charles's Law,which mathematical equation should be used? A) = B) = C) = D) = E) none of the above
=
To solve problems using Charles's Law,which mathematical equation should be used? A) = B) = C) = D) = E) none of the above
To solve problems using Charles's Law,which mathematical equation should be used? A) = B) = C) = D) = E) none of the above
E) none of the above

F) D) and E)
G) C) and D)

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If you had a five liter balloon of argon gas and a five liter balloon of xenon gas,and you removed 10 grams of gas from each balloon,the balloons would both shrink down to the same size.

A) True
B) False

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What is the volume (in liters) of 1.00 mole of krypton gas that has a pressure of 1140 mm Hg and a temperature of 25.0°C? (R= 0.0821 L atm/ mol K)


A) 1.37
B) 16.3
C) 0.0215
D) 0.00180
E) none of the above

F) B) and D)
G) B) and C)

Correct Answer

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Absolute zero refers to 0°C.

A) True
B) False

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How many liters of O2 (g) are needed to react completely with 56.0 L of CH4 (g) at STP to produce CO2 (g) and H2O (g) ? Given: CH4 (g) + 2O2 (g) → CO2 (g) + H2O (g)


A) 28.0 L
B) 56.0 L
C) 84.0 L
D) 112.L
E) none of the above

F) All of the above
G) C) and E)

Correct Answer

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What is the final pressure of a system (atm) that has the volume increased from What is the final pressure of a system (atm) that has the volume increased from To With an initial pressure of A) 1.1 B) 0.85 C) 1.8 D) 1.2 E) none of the above To What is the final pressure of a system (atm) that has the volume increased from To With an initial pressure of A) 1.1 B) 0.85 C) 1.8 D) 1.2 E) none of the above With an initial pressure of What is the final pressure of a system (atm) that has the volume increased from To With an initial pressure of A) 1.1 B) 0.85 C) 1.8 D) 1.2 E) none of the above


A) 1.1
B) 0.85
C) 1.8
D) 1.2
E) none of the above

F) A) and E)
G) A) and C)

Correct Answer

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A balloon originally had a volume of 0.439 L at 44°C and a pressure of 729 torr.To what temperature must the balloon be cooled to reduce its volume to 378 mL if the pressure remained constant?


A) 0°C
B) 38°C
C) 95°C
D) 273°C
E) none of the above

F) A) and B)
G) A) and C)

Correct Answer

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A barometer uses mercury because:


A) it is a convenient,safe,lightweight material.
B) the density of mercury is very large which allows the barometer to be short.
C) it is the traditional substance used,water could be as easily used.
D) it is the only liquid metal at room temperature.
E) All of the above are true.

F) C) and E)
G) A) and D)

Correct Answer

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Vapor pressure of water increases with increasing temperature because the higher temperature causes more water molecules to evaporate.

A) True
B) False

Correct Answer

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Which of following statements are consistent with the Kinetic Molecular Theory?


A) Gases are compressible because the volume taken up by the gas is almost entirely open space.
B) Gases assume the shape and volume of their container because they are in constant,straight-line motion.
C) Gases have a low density because there is so much empty space between the particles.
D) Gas particles collide with each other and surfaces without losing any energy.
E) All of the above statements are consistent with the Kinetic Molecular Theory.

F) C) and D)
G) B) and C)

Correct Answer

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Pressure depends on how many gas particles are in a container.

A) True
B) False

Correct Answer

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Aerosol spray cans contain gas trapped in a fixed volume and cans of this type can explode if heated to high temperature.This illustrates that pressure and temperature are directly proportional.

A) True
B) False

Correct Answer

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The initial volume of a gas cylinder is 750.0 mL.If the pressure of a gas inside the cylinder changes from The initial volume of a gas cylinder is 750.0 mL.If the pressure of a gas inside the cylinder changes from To ,what is the final volume the gas occupies? A) 3.151 L B) 630.0 mL C) 1.750 L D) 321.4 mL E) none of the above To The initial volume of a gas cylinder is 750.0 mL.If the pressure of a gas inside the cylinder changes from To ,what is the final volume the gas occupies? A) 3.151 L B) 630.0 mL C) 1.750 L D) 321.4 mL E) none of the above ,what is the final volume the gas occupies?


A) 3.151 L
B) 630.0 mL
C) 1.750 L
D) 321.4 mL
E) none of the above

F) D) and E)
G) A) and E)

Correct Answer

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Gases and liquids are compressible,but solids are not.

A) True
B) False

Correct Answer

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Gas density can be calculated by dividing the mass of gas by its volume.If you took a balloon of gas and then warmed the balloon in a sunny window,what can now be said about the density of the gas in the balloon?


A) The gas density will remain the same.
B) The gas density will increase.
C) The gas density will decrease.
D) The density of gases is independent of temperature.
E) none of the above

F) All of the above
G) B) and C)

Correct Answer

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If some argon gas at 400 mm Hg pressure is forced into a gas cylinder that already contained only neon gas at 400 mm Hg pressure,the total pressure in the cylinder would now be 800 mm Hg.

A) True
B) False

Correct Answer

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What is the equivalent pressure of 760 torr in units of mm Hg?


A) 760
B) 1
C) 14.7
D) 29.92
E) none of the above

F) C) and E)
G) D) and E)

Correct Answer

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The volume of 9.00 grams of water vapor at STP is 11.2 L.

A) True
B) False

Correct Answer

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At STP,12.69 g of a noble gas occupies 14.09 L.What is the identity of the noble gas? (R= 0.0821 L atm/ mol K)


A) He
B) Ne
C) Ar
D) Kr
E) not enough information

F) All of the above
G) None of the above

Correct Answer

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The vapor pressure of water is independent of temperature.

A) True
B) False

Correct Answer

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