Helium gas is collected over water at 25 C. What is the partial pressure of the helium. given a barometric pressure of 770 mmHg?

Why does his teacher ask him to balance the equation by including the correct coefficient

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

Rank substituents in order of their priority when assigning the e or z label to an alkene. i, ch2i , h, ch2ch2cl, f