Three buffers are prepared using equal concentrations of formic acid (HCOOH) and sodium formate, hydrofluoric acid (HF) and sodium fluoride, and acetic acid (CH3COOH) and sodium acetate. Rank the three buffers from highest to lowest pH.

Plz mark brainliest 30 points 1) 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?

At element makes up all organic compounds?

Explain how global warming could have affected yellowstone frog and salamander habitat's, resulting in changes in the populations of these species