5. a vitamin contains 1.5 x 10' grams of zinc. how many moles of zinc are in the vitamin?

What energy is it when you flip on a switch on a lamp

Aroller coaster is traveling at 13 mi./s when you purchase a hill that is 400 m long and down the hill exonerate at 4.0 m/s squared what is the final velocity of the posterior found your answer to the nearest number

Silver reacts with oxygen to produce silver oxide. (write balanced chemical equation and identify type of chemical reaction.)