NEW
Font size
WorksheetsAP Chemistry Gas Laws
Total questions: 15
Worksheet time: 30mins
According to kinetic molecular theory, in which of the following gases will the root mean square speed of the molecules be the highest at 200ºC?
SF6
H2O
HCl
Cl2
None, the molecules of all gases have the same root mean square speed at any given temperature.
A sample of a gas (5.0 mol) at 1.0 atm is expanded at constant temperature from 10.0 L to 15.0 L. The final pressure is ___ atm.
1.5 atm
15 atm
0.67 atm
3.3 atm
7.5 atm
A sample of He gas (2.35 mol) occupies 57.9 L at 300.0 K and 1.00 atm. The volume of this sample is ___L at 423 K and 1.00 atm.
0.709 L
57.9 L
41.1 L
81.6 L
1.41 L
The density of N2O at 1.52 atm and 45.2ºC is ____ g/L.
0.388 g/L
2.58 g/L
9.99 g/L
1.76 g/L
18.2 g/L
The volume of a sample of gas (2.49 g) is 752 mL at 1.98 atm and 62ºC. What is the gas?
NO2
SO3
SO2
Ne
NH3
The pressure in a 12.2 L vessel that contains 2.34 g of carbon dioxide, 1.73 g of sulfur dioxide and 3.33 g of argon; all at 42ºC is ____ mmHg.
116 mmHg
395 mmHg
134 mmHg
263 mmHg
0.347 mmHg
Gases generally have
low density
high density
closely packed particles
no increase in volume when temperature is increased
no decrease in volume when pressure is increased
Pressure is
defined as the mass that an object exerts when at rest
measured in Newtons
defined as the number of moles of substance divided by the mass of the substance
defined as the force per unit area
measured in grams
A gas sample is held at constant pressure. The gas occupies 3.62 L of volume when the temperature is 21.6°C. Determine the temperature at which the volume of the gas is 3.42 L.
312K
278K
20.4K
295K
552K
A balloon has a volume of 2.32 liters at 24.0°C. The balloon is heated to 48.0°C. Calculate the new volume of the balloon.
2.32L
2.51L
2.15L
4.64L
1.16L
You are holding four identical balloons each containing 10.0 g of a different gas. The balloon containing which gas is the largest balloon?
H2
He
Ne
O2
All have the same volume.
