Examine the figure on page 13 and answer the following questions.
A.) What is distillation?
B.) Why is the process in this figure called fractional distillation?
C.) Why must crude oil go through this process in order to be useful?
D.) Describe the relationship between molecular mass, density, and boiling point for hydrocarbons.
E.) Use molecule structure to explain the relationship between molecular mass and boiling point.

Which of the following statements is true? question 4 options: nuclear decay rates vary with the conditions of the reaction, but chemical reaction rates do not. chemical reaction rates vary with the conditions of the reaction, but nuclear decay rates do not. neither chemical reaction rates nor nuclear decay rates vary with the conditions of the reaction. both chemical reaction rates and nuclear decay rates vary with the conditions of the reaction.

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

Calculate the number of moles of ethane in 100 grams