If your body takes in 20 moles of #O_2# from the air, and you eat 45 moles of sugar, which is the limiting reactant?
Clearly, oxygen is the limiting reagent.
I have simplified glucose metabolism with a simple combustion reaction. The balanced combustion equation clearly indicates that each mole of sugar,
Needless to say, this scenario is a bit unrealistic. Who would eat over 8 kilograms of sugar in one sitting?