Moles CO How many moles of carbon monoxide are needed to react with 8.25 moles of Fe3O4?
Fe3O4(s) + 4 CO(9)
--> 3 Fe(s) + 4 CO2(g)
**report your answer to the correct number of significant digits!

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.

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?

What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm