A 200 L sample of gas is collected at 50 atm and a temperature of 271 K. What volume would this gas occupy at 100 atm and a temperature of 140 K?

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