Liquid octane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water. Suppose 3.4g of octane is mixed with 22.9g of oxygen. Calculate the minimum mass of octane that could be left over by the chemical reaction. Round your answer to 2 significant digits.

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

Will mark brainliest how many electrons can be held in the energy level n = 4?

How many moles of oxygen gas are produced from the decomposition of six moles of potassium