How many moles of H2O are produced when 4.19 grams of C4H10 reacts? and
How many moles of O2 are needed to produce 4.60 grams of H2O?

In a chemical reaction at equilibrium, the rate of the forward reaction the rate of the reverse reaction. if the rate of the forward reaction more products are formed.

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

Volume is a measurement of how fast particles of a substance are moving