you purchase a 0.68 g diamond for a piece of jewelry. Assuming that the diamond is composed of purely carbon, how many carbon atoms are contained within the diamond?

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

Which formula can be used to calculate the molar mass of hydrogen peroxide