Using the balanced equation given below, calculate the number of moles of CaO required to produce 2.0 moles of Al2O3. ___ moles of CaO *your answer should be written as X. X

2AlBr3 + 3CaO —> Al2O3 + 3CaBr2

(I need this asap please!)

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?

Table sugar completely dissolved in water is an example of a?

Which of the following is not true about the atomic model of substances?