< Question 3 of 25 >
What is the pressure of the gas in this mercury manometer
if h = 85 mm and atmospheric pressure is 755 mmHg?
pressure:
mmHg

Which actions would increase the rate at salt dissolves in water? stir the water? crush the salt? use less water? heat the water? cool the salt

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

Plz mark brainliest 30 points 1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s. 2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?