React 500 g of manganese III with sulfuric acid. How many liters of hydrogen gas can be produced ? (SO4 has a -2 charge)

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange

Why are people not able to skip a dive to the deepest part of the ocean

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?