If two asteroids moved closer together, what would be the result on the gravitational force each asteroid experts on the other?

Name the non metal condut electricity

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.?

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value