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Gas Laws Kinetic Theory

Phase Changes

States of Matter

Relationships Misc

100

A 100

The total pressure of an O2-Ar-He gas mixture is 755 mm Hg. If the partial pressure of Ar is 174 mm Hg and the partial pressure

of He is 389 mm Hg, then the partial pressure of O2 is —

A 100

192 mm Hg

A 200

A gas cylinder is filled with 4.00 moles of oxygen gas at 300.0 K. The

piston is compressed to yield a pressure of 3.95 atm. What is the

volume inside the cylinder? (R= 0.0821 L*atm/mol *K)

A 200

24.94 L

A 300

Gas is confined in a metal tank. At 20.20C, 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?

357.6 K

A 300

A sample of nitrogen occupies 10.0 liters at 25C and 98.7 kPa. What

would be the volume at 20C and 770.5 mmHg?

A 400

9.45 L

A 400

The Kinetic Molecular Theory states that-

B 100

All matter is in constant motion

B 100

Water molecules have the greatest kinetic energy in-

a.Ice at 0C

b.Water at 373K

c.Water 98C

d.Steam at 150C

B 200

D. Steam at 150C

B 200

According to the kinetic-molecular theory of gases, molecules of an ideal gas -

A.Have strong forces between themB.Are separated by small distancesC.Undergo elastic collisions D.Travel in curved lines of motion

B 300

B 300

A. Undergo elastic collisions

Explain in terms of the kinetic theory why a solid

does not take the shape of its container while a liquid and a

gas will.

B 400

B 400

Solids have the strongest intermolecular force that

keeps the particles in a fixed position. Solid particles only

vibrate they do not move freely.

C 100

Which numbered process represents condensation?

2

C 100

C 200

Which change in state requires that energy be added

to the substance:

a.Freezing

b.Condensing

c.Vaporizing

d.Deposition

C: Vaporizing

C 200

Water can be made to boil above its normal boiling point of 100º C by —

A decreasing the air pressureB increasing the air pressure C increasing the heat being applied

D decreasing the volume of the container

C 300

B increasing the air pressure

C 300

DAILY DOUBLE

C 400

DAILY DOUBLE

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A liquid placed in a closed container will evaporate until-

C 400

vaporizing = condensing

Dynamic equilbrium

C 400

The table above lists the melting and boiling points of some metals. Which metal remains liquid over the widest range of temperature?

D 100

Platinum

D 100

Which state of matter has the most kinetic energy?

D 200

plasma

D 200

D 300

What state of matter flows but has a intermolecular

force that causes the particles to be close?

Liquid

D 300

D 400

How are the following alike: a plastic water bottle, a rubber band, and a glass

pickle jar ?

All are amorphous solid

D 400

If you decrease the temperature of a gas, what happens to the pressure of that gas-

E 100

Decreases

E 100

E 200

Each balloon was filled with an identical number of moles of gas at standard pressure. Why is balloon B is larger than balloon A?

Balloon B is at a higher temperature or Balloon A is

at a cooler temperature

E 200

If the pressure exerted on a confined gas is doubled, then the volume of the gas will-

E 300

Is halved

E 300

Which graph represents the relationship that exists between

pressure and volume?

A. C.

B. D.

E 400

C

E 400

F 100

Which substance has the weakest intermolecular force-

A

F 100

What phase change is the arrow below representing?

F 200

Sublimation

F 200

Which gas will effuse faster, methane gas

(CH4) or oxygen gas?

F 300

Methane (CH4)

F 300

Why does air effuse a tire when the tire valve is

opened?

F 400

Pressure outside lower than pressure inside the tire.

Gasses move from high concentration to low

concentration until equal

F 400

The Final Jeopardy Category is:

Please record your wager.

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Which of the following liquids would exhibit the highest vapor pressure at

25.0°C?

A.Ethyl alcohol, boiling point = 78.3°CB.Ether, boiling point = 34.6°CC.Water, boiling point = 100°CD.Glycerine, boiling point = 290°C

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B. Ether, boiling point = 34.6°C

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