How many moles are contained in 7.88 x 10^24 atoms of Iron

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa