Unit 2b Matter & Gas Laws

Unit 2b Matter & Gas Laws

26 Qs

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Unit 2b Matter & Gas Laws

Unit 2b Matter & Gas Laws

Assessment

Quiz

others

Easy

Created by

Chelsea McCollum Gregg

Used 3+ times

FREE Resource

26 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

Media Image
The illustrations below represent the expansion of a gas in a cylinder of an engine. The piston moves as the gas volume changes. What could have been done to the gas in the cylinder to bring about this change in volume?
Half of the molecules were released.
The temperature was doubled.
The condensation rate for the gas was doubled.
The amount of heat in the gas was reduced by one half.

2.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

Three identical balloons each contains the same amount of gas molecules. One balloon contains oxygen, one contains nitrogen, and one contains argon. Which of the following will happen if the balloons are placed in a warmer room?
The balloon with argon will decrease most in volume because argon is a noble gas.
All of the balloons will decrease in volume equally because the temperature increased.
The balloon with oxygen will increase most in volume because oxygen has the largest molecules.
all of the balloons will increase in volume equally because they have equal numbers of molecules

3.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

Assuming pressure is held constant, which of the following graphs shows how the volume of an ideal gas changes with temperature?
Media Image
Media Image
Media Image
Media Image

4.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

Under what circumstance might a gas decrease in volume?
The gas is held constant at STP.
The gas remains under uniform temperature.
The gas is placed under increasing pressure.
The gas undergoes a decrease in pressure.

5.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

Media Image
What is the melting point of the substance below and during what time frame does the substance have the lowest kinetic energy?
150 C, 0-2 min
150 C, 2-6 min
90 C, 10-12 min
90 C, 14-16 min

6.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

Media Image
A student experiments with nitrogen gas, changing one variable at a time: temperature, pressure, or volume.Unfortunately, the student forgot to label the axes. Which of the following pairs of labels are possible for the graph shown above?
Media Image
Media Image
Media Image
Media Image

7.

MULTIPLE CHOICE QUESTION

30 sec • 4 pts

Which of the following best explains why doubling the temperature of an ideal gas in a closed container doubles the pressure?
Increasing the temperature increases the size of the gas molecules, which then can put more pressure on the vessel walls.
Increasing the temperature decreases the volume, causing molecules to strike the vessel walls more frequently.
Increasing the temperature causes gas molecules to collide more often and with enough force to displace electrons.
Increasing the temperature causes gas molecules to move more rapidly, striking the vessel walls more frequently and with greater force.

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