4 Fe + 302
2 Fe2O3
How many grams of oxygen are needed to react with 17.5 moles of iron?

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

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

What best discribes the relationship between wavelength and frequency in a electromagnetic wave