a. Charles’s law. b. Boyle’s law. c. Avogadro’s law. d. zero.

A gas sample with a mass of 0.467 g is collected at 20.ºC and 732.5 mm Hg. The volume is 200. mL. What is the molar mass of the gas? a. 58 g/mol b. 180 g/mol c. 290 g/mol d. 730 ...

a. diffuses. b. is dense. c. is compressed. d. condenses.

a. Boyle’s law. b. Charles’s law. c. Kelvin’s law. d. Dalton’s law.

Suppose that two gases with unequal molar masses were injected into opposite ends of a long tube at the same time and allowed to diffuse toward the centre. They should begin to mix a. in approximately five minutes. b. closer to ...

a. pressure b. density c. mass d. formula

The pressure of a sample of helium is 2.0 atm in a 200-mL container. If the container is compressed to 10 mL without changing the temperature, what is the new pressure? a. 200 atm b. 0.10 atm c. 100 atm d. ...

a. gases only. b. solids and liquids. c. liquids and gases. d. solids, liquids, and gases.