Fractional distillation of crude oil is used to separate hydrocarbons by Question 3 options: A) melting point. B) boiling point. C) chemical properties. D) number of attached hydrogens.

C) chemical properties

Explanation:

B is the answer because fractional distillation is used to separate particles of different boiling paints.

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

question answered by

(jacemorris04)