For the reaction SO3 + H2O  H2SO4 , how many grams of SO3 are required to produce 18. 3 g H2SO4 ? a 14. 9 g b 3. 09 g c 42. 0 g d 25. 8 g

Which statement about the stamps is correct?

What is a property of a double replacement reaction

Plz mark brainliest 30 points1) 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?