A negative charge, if free, will tend to move A) from high potential to low potential
B) in the direction of the free electric field
C) from low potential to high potential
D) away from infinity
E) toward infinity

On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?