1) 2Fe,0, + 3C - 4Fe + 3C02 How many grams of carbon dioxide (CO) are produced from 85.0 grams of carbon (C)?​

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?

If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion