A tank of hydrogen gas has a volume of 22.9L and hold 12 mol of gas at 12°C what is the pressure of the gas in atmospheres?

Name the intersection of plane bpq and plane cpq.

Achemical reaction is done in the setup shown, resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?

You wish to prepare a buffer consisting of acetic acid and sodium acetate with a total acetic acetate plus acetate concentration of 250 mm and a ph of 5. what concentrations of acetic acid and sodium acetate should you use