The density of glycerin is 1.26 g/cm3. How many pounds per foot is this?

Describe the forces both attractive and repulsive that occur as two atoms move closer together.

Give one example of a pure (exact) number and of an estimated (measured) number.

An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample?