
A cylinder with a movable piston contains a mixture of argon and xenon gas with partial pressures of 0.80 atm and 1.20 atm, respectively. Choose the diagram that represents the change in volume when the argon gas is removed from the cylinder at constant temperature and pressure.

Which of the following postulates of the kinetic-molecular theory best describes Gay-Lussac's law? Why?
Which of the following postulates of the kinetic-molecular theory best describes Charles's law? Why?
Which of the following postulates of the kinetic-molecular theory best describes Boyle's law? Why?
"For an ideal gas with a fixed amount and at a constant temperature, its pressure and volume will have an inverse relationship." This describes:
"The volume of an ideal gas is proportional to its temperature" is a statement of which law?