Which task most likely involves a calculation that uses moles? measuring a sugar sample on a balance counting the number of jellybeans in a jar determining the number of atoms in a jar of liquid finding the rate of expansion of a gas-filled balloon

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

How do scientists think that gravity affected the formation of our solar system?

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?