Gas Laws

Convert 300°C to Kelvins

• 300 °C = 1060 K

• 300 °C = 27 K

• 300 °C = -27 K

• 300 °C = 573 K

Perform the following conversion of pressure units: 175 torr = ____________ atm

• 1.73

• 11.90

• 0.230

• 4.34

In a nitrogen gas occupies has a volume of 500 mL at a pressure of 0.971atm. What volume will the gas occupy at a pressure of 1.50 atm, assuming the temperature remains constant?

• 342 mL

• 424 mL

• 323 mL

• 442 mL

In a closed container at 760 torr, the temperature of a sample of gas is raised from 300 K to 400 K. What will be the final pressure of the gas?

• .010 atm

• 0 atm

• 100 atm

• 1.3 atm

At constant pressure and 25 °C a sample of gas occupies 4.5 liters. At what temperature will the gas occupy 9.0 liters?

• 596 K

• 50 K

• 50 °C

• 596 °C

Consider a gas at 760 mm Hg in a 5.00-L container at 20.°C. What pressure does the gas exert when transferred to a volume of 2.01 L at 43°C?

• 5.35 atm

• 2.31 atm

• 0.371 atm

• 2.68 atm

A gas originally occupying 10.1 L at 0.925 atm and 25°C is changed to 15.0 L at 625 torr. What is the new temperature?

• 393°C

• 120°C

• -240°C

• 665°C

The pressure of .323 moles of a gas is .900 atm. The gas is held in a container at 265 K. Which value of R would I use in this problem?

• R= 62.364 L torr / mol K

• R= 0.08206 L atm / mol K

• R= 8.314 L kPa / mol K

• none of the above

What is the number of moles of gas contained in a 3.0 L vessel at 300 K with a pressure of 1.50 atm?

• .45 mol

• .18 mol

• 1.18 mol

• 4.50 mol

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

• 4.08 atm

• 0.245 atm

• 605 atm

• 3670 atm