A0.51 m aqueous solution of an unknown solute has a boiling point elevation of 0.62°c. the boiling point elevation of a 0.51 m solution of a non-electrolyte solute in water is 0.26°c. how many moles of particles are formed per mole of solute when the unknown solute is dissolved in water?

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 of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o

What does the symbol (–hfus) indicate in a phase change?