Ammonia reacts with oxygen to form nitric oxide and water vapor: 4NH3 + 5O2 --> 4NO + 6H2O If 10.0 moles of NH3 and 10.0 moles of O2 are combined what is the limiting reagent?

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".