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Ideal gas equation problems

Total questions: 20

Worksheet time: 2hrs 11mins

Name

Class

Date

What is the pressure exerted by 5.00 moles of nitrogen gas contained in a 30.0 Liter container at 25.0 °C?

3670 atm

0.245 atm

4.08 atm

605 atm

At 17 °C, a 0.80 mole sample of a gas exerts a pressure of 1.2 atmospheres. What is the volume of the container?

22.9 Liters

2355 Liters

0.0630 Liters

15.9 Liters

An 18 liter container holds 16.00 grams of oxygen gas (O₂) at 45 °C. What is the pressure in the container?

0.725 atm

11.0 atm

23.2 atm

1.45 atm

At what temperature (in Kelvin) would 4.0 moles of hydrogen gas in a 100 liter container exert a pressure of 1.00 atmospheres?

0.0305 K

0.487 K

32.8 K

304.5 K

A 500 mL metal cylinder holding 0.100 moles of helium gas is known to rupture at a pressure of 10 atmospheres. At what temperature, in °C, will the container fail?

336 °C

608 740 °C

- 272.4°C

609 °C

A 7.50 liter sealed jar at 18 °C contains 0.125 moles of oxygen and 0.125 moles of nitrogen gas. What is the pressure in the container?

7.38 atm

0.796 atm

0.684 atm

0.398 atm

Dalton's Law states...

that at a constant temperature the volume of a confined ideal gas varies inversely with its pressure.

that the total pressure exerted by the mixture of non-reactive gases is equal to the sum of the partial pressures of individual gases

how gases tend to expand when heated

that the density of an ideal gas at constant pressure varies inversely with the absolute temperature of the gas.

A gaseous mixture contains 5.0 moles of nitrogen and 10.0 moles of helium. The total pressure in the container is 3.0 atmospheres. What is the partial pressure of the nitrogen?

1 atm

0.5 atm

3.0 atm

2.0 atm

Three gases, Ar, N2 and H2 are mixed in a 500L container. Ar has a pressure of 255 torr, N2 has a pressure of 228torr and H2 has pressure of 752torr. What is the total pressure in the container?

483torr

270torr

1235torr

10.

The total pressure of a mixture of oxygen and nitrogen gas is 400.0 kPa. What is the partial pressure of nitrogen if the pressure of oxygen is 150.0 kPa?

400.0 kPa

550.0 kPa

250.0 kPa

101.3 kPa

11.

What does the variable "n" represent in the ideal gas law?

pressure

volume

moles

the gas constant

temperature

12.

What does the variable "R" represent in the ideal gas law?

pressure

volume

moles

the gas constant

temperature

13.

What is the total pressure of a mixture of gases where the pressure of gas 1 is 2.0 atm, the pressure of gas 2 is 1.0 atm, and the pressure of gas 3 is 0.5 atm?

2.5 atm

3.5 atm

0.5 atm

4 atm

14.

A sample of hydrogen gas was collected over water at 20.0 ºC. The atmospheric pressure was 105.5 kPa. What is the pressure of the dry hydrogen gas?

17.5 mm Hg

105.5 KPa

107.8 kPa

103.2 kPa

15.

How many moles of propane gas are in a 7.0 L tank at 20°C and 5.45atm of pressure?

0.629 mol

1.59 mol

23.2 mol

917 mol

16.

At what temperature (in Kelvin) would 4.0 moles of hydrogen gas in a 100 liter container exert a pressure of 1.00 atmospheres?

0.0305 K

0.487 K

32.8 K

304.5 K

17.

A metal cylinder contains Oxygen and Helium at a total pressure of 450 KPa. What is the partial pressure of the oxygen if the the tank contains 70% helium?

315 Kpa

135 Kpa

0.428 Kpa

30 Kpa

18.

The ideal gas law is an equation that relates the what variables to a constant of R.

volume, pressure, temperature

volume, temperature, pressure, amount of gas particles

volume, pressure

volume, temperatue

19.

Calculate the volume which 1.00 mole of a gas occupies at STP.

(a)

20.

Determine the Celsius temperature of 2.49 moles of gas contained in a 1.00-L vessel at a pressure of 143 kPa.

-266 degrees C

-622 degrees C

622 degrees C

266 degrees C

100 %

Ideal gas equation problems

Total questions: 20

Worksheet time: 2hrs 11mins

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