gy 101 exam 2 UPDATED ACTUAL Questions and CORRECT
Answers
1. In accordance with Charles Law, a gas under constant c.expand; heated
pressure will when
A. contract; heated
B. expand; cooled
C. expand; heated
D. keep the same volume when heated or cooled
2. If a gas cools under constant pressure, the molecules a. less; be packed into a
within it have kinetic energy (motions) and can smaller volume
therefore
A. less; be packed into a smaller volume
B. less; be packed into a larger volume
C. more; be packed into a larger volume
D. more; be packed into a smaller volume
3. In accordance with Boyle's Law, a gas under constant B. decrease; increased
temperature will in volume when the pres-
sure is
A. increase; increased
B. decrease; increased
C. decrease; decreased
D. keep the same volume regardless of pressure
4. If a gas is heated to a higher temperature and the C. the density will de-
pressure does not change. crease.
A. the pressure will decrease.
B. the temperature will increase.
C. the density will decrease.
D. the density will increase.
5. 5. A parcel of air at the surface is heated which expands D. denser air flows in to re-
the air and increases the parcel's volume. If the same place the rising air .
, gy 101 exam 2 UPDATED ACTUAL Questions and CORRECT
Answers
number of air molecules occupy the greater volume,
density decreases. The increase in volume results in
lower pressure. What will happen to the air surround-
ing this parcel?
A. more dense air rises at the surface
B. less dense air sinks at the surface
C. less dense air flows in to replace the rising air
D. denser air flows in to replace the rising air .
6. 6. Heat is applied to a container. The molecules inside A. more energetic; pres-
the container become: sure increases
A. more energetic; pressure increases
B. less energetic; pressure increases
C. less energetic; pressure decreases
D. more energetic; pressure decreases
7. 7. Pushing down on the sealed glass container causes B. decreased volume,
A. increased volume, pressure increases pressure increases
B. decreased volume, pressure increases
C. decreased volume, pressure decreases.
D. increased volume, pressure decreases.
8. 8. Atmospheric pressure can be measured in all of the C. barometer units.
following units EXCEPT.
A. millibars.
B. bars.
C. barometer units.
D. inches of mercury.
9. 9. Which of the following statements is true regarding D. as one moves up in
the relationship between air pressure and altitude? the atmosphere, pressure
A. as one moves lower in the atmosphere, pressure decreases, as one moves
decreases, as one moves closer to the earth's surface,
Answers
1. In accordance with Charles Law, a gas under constant c.expand; heated
pressure will when
A. contract; heated
B. expand; cooled
C. expand; heated
D. keep the same volume when heated or cooled
2. If a gas cools under constant pressure, the molecules a. less; be packed into a
within it have kinetic energy (motions) and can smaller volume
therefore
A. less; be packed into a smaller volume
B. less; be packed into a larger volume
C. more; be packed into a larger volume
D. more; be packed into a smaller volume
3. In accordance with Boyle's Law, a gas under constant B. decrease; increased
temperature will in volume when the pres-
sure is
A. increase; increased
B. decrease; increased
C. decrease; decreased
D. keep the same volume regardless of pressure
4. If a gas is heated to a higher temperature and the C. the density will de-
pressure does not change. crease.
A. the pressure will decrease.
B. the temperature will increase.
C. the density will decrease.
D. the density will increase.
5. 5. A parcel of air at the surface is heated which expands D. denser air flows in to re-
the air and increases the parcel's volume. If the same place the rising air .
, gy 101 exam 2 UPDATED ACTUAL Questions and CORRECT
Answers
number of air molecules occupy the greater volume,
density decreases. The increase in volume results in
lower pressure. What will happen to the air surround-
ing this parcel?
A. more dense air rises at the surface
B. less dense air sinks at the surface
C. less dense air flows in to replace the rising air
D. denser air flows in to replace the rising air .
6. 6. Heat is applied to a container. The molecules inside A. more energetic; pres-
the container become: sure increases
A. more energetic; pressure increases
B. less energetic; pressure increases
C. less energetic; pressure decreases
D. more energetic; pressure decreases
7. 7. Pushing down on the sealed glass container causes B. decreased volume,
A. increased volume, pressure increases pressure increases
B. decreased volume, pressure increases
C. decreased volume, pressure decreases.
D. increased volume, pressure decreases.
8. 8. Atmospheric pressure can be measured in all of the C. barometer units.
following units EXCEPT.
A. millibars.
B. bars.
C. barometer units.
D. inches of mercury.
9. 9. Which of the following statements is true regarding D. as one moves up in
the relationship between air pressure and altitude? the atmosphere, pressure
A. as one moves lower in the atmosphere, pressure decreases, as one moves
decreases, as one moves closer to the earth's surface,
