Explain what a limiting reactant is and why it is important in stoichiomerty?

It determines the maximum amount of the product that can be formed

Explanation:

Usually when performing a chemical reaction, it is hard to measure the exact amounts of the two reactants to react completely. This is why generally we take one reactant as our limiting reagent and another reagent in excess.

The reactant that is limiting reacts completely, while the reactant in excess still remains in a solution after reaction is over.

The importance of the limiting reactant is huge: it determines the maximum amount of the product that can be formed. It's limiting and, therefore, the extent of the reaction depends on how much of the limiting reagent we have. According to stoichiometry, we find the moles of a product formed directly from the limiting reagent, while the reagent in excess doesn't provide any relevant information.

neutrons are in the middle of the atom and the electrons, which are much smaller.

when atmosphere interacts with biosphere they focuses on on the sources and sinks of green house gases (ghgs) air pollutants, particular matters, water and energy between the earth's surface and the atmosphere. the biosphere affects the climate. the atmosphere and biosphere are in constant interaction with each other, and all living things rely on gases in the atmosphere for life. organisms such as animals take in oxygen gas form the atmosphere to use in every cell of their body for smooth functioning of daily routine exercises.