What is the pH of a 0.85 M solution of N(CH3)3? Note: Kb = 6.4 x 10^-5 for N(CH3)3
Include a reaction and a Ka or Kb expression

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

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?