Which quantity can be used to describe the complete motion of a projectile that is launched at an angle?

How many molecules are present in 3 mols of silicon dioxide (sio2)?

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?

Abag of potato chips contains 2.00 l of air when it is sealed at sea level at a pressure of 1.00 atm and a temperature of 20.0 deg c. what will be the volume of the air in the bag if you take it with you, still sealed, to the mountains where the temperature is 7.00 deg c and atmospheric pressure is 70.0 kpa? assume that the bag behaves like a balloon and that the air in the bag is in thermal equilibrium with the outside air.