Which of the following must be assumed to be true to test the relationship between temperature and pressure of an enclosed gas? (Choose all correct answers.)
a. The amount of gas in the container may not change.
b. As the pressure increases, the volume will increase.
c. The volume of the gas may not change.
d. When temperature increases, the pressure will decrease.
a. The amount of gas in the container may not change.
c. The volume of the gas may not change.