Stoichiometry

What is the number of moles of $O_{2}$ produced when 4 moles of $C_{3}H_{8}$ are combusted according to the reaction $C_{3}H_{8} + 5O_{2} \rightarrow 3CO_{2} + 4H_{2}O$?

In the reaction $2H_{2} + O_{2} \rightarrow 2H_{2}O$, how many grams of $H_{2}O$ can be produced from 2 grams of $H_{2}$?

How many moles of $NaCl$ can be produced when 1 mole of $Na$ reacts with 1 mole of $Cl_{2}$ according to $2Na + Cl_{2} \rightarrow 2NaCl$?

In the reaction $N_{2} + 3H_{2} \rightarrow 2NH_{3}$, if you start with 1 mole of $N_{2}$, how many moles of $H_{2}$ are required?

How many liters of $CO_{2}$ at STP are produced from 5 moles of $C$ in the reaction $C + O_{2} \rightarrow CO_{2}$?

If 0.5 moles of $CaCO_{3}$ decomposes according to the reaction $CaCO_{3} \rightarrow CaO + CO_{2}$, how many moles of $CaO$ are produced?

In the reaction $2Fe + 3Cl_{2} \rightarrow 2FeCl_{3}$, how many grams of $FeCl_{3}$ can be produced from 5 moles of $Fe$?

How many moles of $NH_{3}$ can be produced from 3 moles of $N_{2}$ in the reaction $N_{2} + 3H_{2} \rightarrow 2NH_{3}$?

What is the limiting reagent when 2 moles of $H_{2}$ and 1 mole of $O_{2}$ react according to $2H_{2} + O_{2} \rightarrow 2H_{2}O$?

In the decomposition of $2NaHCO_{3} \rightarrow Na_{2}CO_{3} + H_{2}O + CO_{2}$, how many moles of $Na_{2}CO_{3}$ are produced from 2 moles of $NaHCO_{3}$?