Copper has a density of 8.96 g/cm3. what is the volume of a copper block that has a mass of 45.0 g? hint: you have to rearrange the density equation to solve for volume. 0.199 cm3 5.02 cm3 5.02 g/cm3 403 cm3

What forms when chemical reactions combine pollution with sunlight?

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.