Chem Final: Chp. 10

One significant difference between gases and liquids is that __________.

a gas assumes the volume of its container

Of the following, only __________ is impossible for an ideal gas.

V1T1 = V2T2

How many moles of gas are there in a 45.0 L container at 25.0 �C and 500.0 mm Hg?

1.21

The volume of 1.20 mol of gas at 61.3 kPa and 25.0 �C is __________ L.

48.5

The density of NO2 in a 4.50 L tank at 760.0 torr and 25.0 �C is __________ g/L.

1.88

The density (in g/L) of CO2 at 1140 torr and 60.0 �C is __________.

2.42

A closed-end manometer was attached to a vessel containing argon. The difference in the
mercury levels in the two arms of the manometer was 11.8 cm. Atmospheric pressure was 783
mm Hg. The pressure of the argon in the container was __________ mm Hg.

118

A gas vessel is attached to an open-end manometer containing a nonvolatile liquid of density
0.791 g/mL as shown below
{I can't exactly draw that but the circle black stuff is almost all the way to the circle thingy and it's quite low on the other side}
T

0.967

A gas vessel is attached to an open-end manometer filled with a nonvolatile liquid of density
0.993 g/mL as shown below.
{ Side with the circle thingy is almost empty, most of the black stuff is on the opposite side}
The difference in heights of the liqui

1.05

A sample of a gas (5.0 mol) at 1.0 atm is expanded at constant temperature from 10 L to 15 L. The final pressure is __________ atm.

0.67

The volume of a sample of gas (2.49 g) was 752 mL at 1.98 atm and 62 �C. The gas is __________.

NO2

The average kinetic energy of the particles of a gas is directly proportional to __________.

the square of the rms speed

The kinetic-molecular theory predicts that pressure rises as the temperature of a gas increases
because __________.

both the gas molecules collide more frequently with the wall and the gas molecules collide
more energetically with the wall