a. all particles move in the same direction. b. all particles have the same kinetic energy. c. the particles cannot diffuse. d. the particles exert attractive forces on each other.

In the equation H2(g) + Cl2(g) → 2HCl(g), one volume of hydrogen yields how many volumes of hydrogen chloride? a. 1 b. 2 c. 3 d. 4

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

If gas A has a molar mass greater than that of gas B and samples of each gas at identical temperatures and pressures contain equal numbers of molecules, then a. the volumes of gas A and gas B are equal. b. ...

a. 1 atm. b. 760 atm. c. 101.325 atm. d. 101 atm.