Gas Law Calculations

When 500. milliliters of hydrogen gas is heated from 30°C to 60°C at constant pressure, the volume of the gas at 60°C is equal to

• A) 500 ml x 213

• B) 500 ml x 243

• C) 500 ml x 333

• D) 500 ml x 3.03

Tags

NGSS.HS-PS3-4

A rigid cylinder with a movable piston contains a sample of gas. At 300. K, this sample has a pressure of 240. kilopascals and a volume of 70.0 milliliters. What is the volume of this sample when the temperature is changed to 150. K and the pressure is changed to 160. kilopascals?

• A) 35.0 mL

• B) 52.5 mL

• C) 70.0 mL

• D) 105 mL

Tags

NGSS.HS-PS3-1

Which changes in pressure and temperature occur as a given mass of gas at 50.6 kPa and 546 K is changed to STP?

• A) The pressure is doubled and the temperature is halved.

• B) The pressure is halved and the temperature is doubled.

• C) Both the pressure and the temperature are doubled.

• D) Both the pressure and the temperature are halved.

As the temperature of a gas increases at constant pressure, the volume of the gas

• A) decreases

• B) increases

• C) remains the same

The volume of a gas is 4.00 liters at 293 K and constant pressure. For the volume of the gas to become 3.00 liters, the Kelvin temperature must be equal to

• A) 3.00×293/4.00

• B) 3.00×4.00/293

• C) 35°C

• D) 82°C

If 60. liters of hydrogen gas at 546 K is cooled to 273 K at constant pressure, the new volume of the gas will be

• A) 120

• B) 30

• C) 20

• D) 40

A 2.5. liter sample of gas is at STP. When the temperature is raised to 273°C and the pressure remains constant, the new volume of the gas will be

• A) 1.25

• B) 2.5

• C) 5.0

• D) 10.

What is the difference in pressure between a gas at 50.0 kPa and a gas at standard pressure?

• A) 51.3 kPa

• B) 101.3 kPa

• C) 223 kPa

• D) 223 kPa

A rigid cylinder with a movable piston contains a sample of hydrogen gas. At 330. K, this sample has a pressure of 150. kPa and a volume of 3.50 L. What is the volume of this sample at STP?

• A) 0.233 L

• B) 6.26 L

• C) 4.29 L

• D) 1.96 L

Tags

NGSS.HS-PS3-1

A gas occupies a volume of 444 mL at 273 K and 79.0 kPa. What is the final kelvin temperature when the volume of the gas is changed to 1880 mL and the pressure is changed to 38.7 kPa?

• A) 31.5 K

• B) 292 K

• C) 566 K

• D) 2360 K