Any two physical properties of salt​

Compare and contrast physical changes with chemical changes.

If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?