Gases Answers
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Imagine the movement of gas particles in a closed container. According to the kinetic molecular theory, which statements below are true of the gas particles? Check all that apply.
A
Gas particles act like tiny, solid spheres.B
Gas particles are in constant, random motion.C
Gas particles at lower temperatures move faster.D
Collisions are elastic, there is no energy lost as the particle hits the sides of the container.E
Slower moving particles collide more often and with more force with the container.2
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A student checks the air pressure in her bicycle tires early in the morning when it is cool outside. If she measures it again later in the day when it is hotter, what will she most likely observe?
A
The pressure is the same.B
The pressure has increased.C
The pressure has decreased.3
Both hydrogen sulfide (HS) and ammonia (NH) have strong, unpleasant odors. Which gas has the higher effusion rate?
A
HS
B
NH
C
cannot be determined4
If you opened a container of each gas in a corner of a large room, which odor would you detect first on the other side of the room?
A
HS
B
NH
C
cannot be determined7
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