What mass of Al is required to completely react with 25.0 g MnO2? What mass of is required to completely react with 25.0 ? 10.3 g Al 12.4 g Al 5.82 g Al 7.76 g Al

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?

Identify the electromagnets with poles that are reversed from the electromagnet shown above

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?