A reaction vessel is filled with 4.04 g of hydrogen gas and 16.0g of oxygen gas, and the mixture explodes. Identify the limiting reactant and deduce the mass of water produced.

How many moles are in 43.9 l of oxygen

Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.

Calculate the mass of 0.750 mol of the following substance. na3po4. , i'm not quite sure on how to set up the problem to solve! : (