Pressure Answers

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How many atm are in 1,520 mmHg?

A
0.500 atm
B
2.00 atm
C
15.0 atm
D
203 atm
9

An empty plastic bottle is sealed in a cool room and then moved to a very hot room. What can best be stated about the air pressure inside the bottle when the bottle reaches room temperature?

A
It is lower than the pressure on the outside of the bottle.
B
It is higher than the pressure on the outside of the bottle.
C
It is the same as the pressure on the outside of the bottle.
D
It exerts twice the force per unit area as the air pressure outside the bottle.
10

Why does a plastic bottle that is sealed at a high altitude change its shape when it is taken to a low altitude?

A
The number of gas molecules that strike the outside of the bottle increases as altitude decreases.
B
The number of gas molecules that strike the outside of the bottle decreases as altitude decreases.
C
The bonds between the molecules of the plastic bottle become weaker as the altitude decreases.
D
The bonds between the molecules of the plastic bottle become stronger as the altitude decreases.

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