How many moles of chlorine are in 6.67x10^40 chlorine molecules?

Give more examples of this type of heat transfer:

How can parts of a solution be separated by chromatography?

Which activity describes an application of topographic maps? check all that apply. recreation, such as camping and hiking engineering, such as the construction of roads and buildings science, such as mapping stars in the sky business, such as analyzing population centers science, such as analyzing surface features