A battery is constructed based on the oxidation of magnesium and the reduction of cu2+. the initial concentrations of mg2+ and cu2+ are 1.6×10−4 m and 1.35 m , respectively, in 1.0-liter half-cells. what is the voltage of the battery after delivering 4.26 a for 5.49 h ?

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 answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.

Which statement accurately represents the arrangement of electrons in bohr’s atomic model?