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Chemistry, 22.06.2019 09:00
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?
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Chemistry, 23.06.2019 02:30
Calculate the ph at the equivalence point for the titration of a solution containing 150.0 mg of ethylamine (c2h5nh2) with 0.1000 m hcl solution. the volume of the solution at the equivalence point is 250.0 ml. kb forethylamine is 4.7 ร 10โ4 .
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Chemistry, 23.06.2019 05:30
For the reaction i2(g)+br2(g)โโโ2ibr(g), kc=280 at 150 โc. suppose that 0.450 mol ibr in a 2.00-l flask is allowed to reach equilibrium at 150 โc. what is the equilibrium concentration of 2ibr, i2, br2
Answers: 1
you recorded the appearance of each element you observed. Think of and explain two examples from thi...
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