The kinetic-molecular theory of gases assumes which of the following?
A) There are weak but significant interactions between gas molecules.
B) The total amount of energy will change when gas molecules collide.
C) The average kinetic energy of gas molecules will increase when you lower the temperature of the gas.
D) Gas molecules move constantly and in straight lines.
Question 2
Which contains the least percentage of oxygen?
A) H2O2
B) Na2O2
C) HgO
D) CO2