Question 13(multiple choice worth 4 points)
(01.03 lc)
which of the following is a unit of volume of liquids?
gram
liters
liters per cubic gram
gram per cubic centimeter

What is the number of atoms in 3.54 mol s

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.

Which of the following statements is true? a. most heat energy is easily recovered and used for useful actions. b. friction causes molecules to vibrate more slowly. burning air and gasoline in an c. engine changes chemical energy into mechanical energy. it is impossible to d. change mechanical energy into mechanical energy.