Gas Laws

In order to convert to Kelvin, you add ______ to the Celsius measurement.

• 372

• 273

• 237

• 732

A sample of gas with a volume of 30.0 mL at 25.0^oC is heated until it expands to a volume of 32.3mL. What is the new temperature of the gas in Celsius?

• 60.8 °C

• 320 °C

• 26.2 °C

• 47.8 °C

Tags

NGSS.HS-PS3-1

Determine the initial temperature of a random gas when the initial volume is 2.20 L and it is cooled to 18.0°C with a volume of 1.85 L.

• 346 K

• 15.1 K

• 293 K

• 245 K

A gas at 928 kpa, 129 °C occupies a volume of 569 L. Calculate the temperature at 319 kpa and 232 L.

• 410.6 K

• 964 K

• 56.8 K

• 1400 K

If 200 mL of a gas at 27°C with a pressure of 1.2 atm is cooled to -3°C at a constant pressure, the volume will be...

• 180 mL.

• 204 mL.

• 405 mL.

• 160 mL.

I’ve have a can with an internal volume of 365 mL. If it implodes, what will be the volume of the gas when the pressure goes from 1.0 atm to 1.4 atm?

• 261 mL

• 321 mL

• 866 mL

• 511 mL

A 15.50 gram sample of a gas exerts a pressure of 1.40 atmospheres when held in an 8.00 liter at 22 °C. What is the molar mass (grams/mol) of the gas?

• 33.5 g/mol

• 0.0298 g/mol

• 6.57 g/mol

• 62.2 g/mol

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

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

• 1752 torr

• 269 torr

• 1235 torr

• 412 torr

A mixture of hydrogen, nitrogen, and water vapor has a total pressure of 864 mmHg. The partial pressure of hydrogen is 220 mmHg and that of nitrogen is 410 mmHg. What is the partial pressure of water vapor?

• 234 mmHg

• 1.37 mmHg

• 2.64 mmHg

• 1494 mmHg