Which of the following statements is false? an increase in temperature will
a. increase the molecular weight of the gas.
b. increase the velocity of the gas molecules.
c. increase the number of collisions per second.
d. increase the average kinetic energy of the molecules.
e. increase the root-mean-square velocity of the molecules.

- what is the order of increasing rate of effusion for the following gases? ar, co2, he, n2

- place the following gases in order of increasing speed at the same temperature. n2, h2, cl2, co2, ar