Professor X used 52g Fe and 44g of O2 to create some rust (Fe2O3). He produced 69.92g of Fe2O3.

Find the percent yield of his reaction given:

4Fe + 3O2 —> 2Fe2O3

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?

c) should be the answer.

diaria maybe go see a doctor about that