напишите молекулярные и ионные уравнения реакций гидролиза следующих солей :K2s ZnCl2 k2co3 crcl3 na2so4 cuso4 k3po4 какова реакция расствора в каждом случае

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

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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