How can one make a supersaturated solution? (apex)

What is important to study for nios grade 12 chemistry? i have only one month left.

When the mercury level in a barometer decreases that atmospheric pressure has

The diagrams to the right show the distribution and arrangement of gas particles in two different containers. according to kinetic-molecular theory, which of the following statements is true? check all that apply. if the temperatures of both containers are equal, container a has greater pressure than container b. if the volume of container a decreased, its pressure would decrease. if the pressure in both containers is equal, container a has a lower temperature than container b.