Points If I have 0.420L of a 1.7M NaOH solution, what will be the concentration if I add 1.660L to the solution?
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What is the relationship of air masses and the temperature of oceans?

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?

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins