Answer
a. Oxygen is the limiting reactant in this case.
b. Hydrogen is the limiting reactant for this experiment.
c. In our bubble elements are in this exact ratio 2:1, therefore this results in loudest bang.
d. The limiting reactant is hydrogen.
Work Step by Step
a. As the bubble contains only hydrogen gas, oxygen is the limiting reactant in this case, therefore not enough water vapor is produced. This is the reason we do not hear the bang.
b. The bubble contains both gases hydrogen and oxygen, as the result when ignited, water vapor are formed because of the chemical reaction , and this causes the bang.
We see from the balanced chemical reaction that the ratio of reaction is 2 molecules $H_{2}$ : 1 moelcule $O_{2}$. In our bubble both elements are in ratio 1:1, therefore hydrogen is the limiting reactant for this experiment.
c. We see from the balanced chemical reaction that the ratio of reaction is 2 molecules $H_{2}$ : 1 moelcule $O_{2}$. In our bubble elements are in this exact ratio 2:1, therefore this results in loudest bang.
d. The limiting reactant is hydrogen, as the bubble is filled only with oxygen. As a result no chemical reaction happens when the bubble is ignited.
