3. Stoichiometry
Balancing Chemical Equations — Quiz
Test your understanding of balancing chemical equations with 5 practice questions.
Practice Questions
Question 1
Which of the following is the correct balanced form of the chemical equation for the combustion of ethane: $C_2H_6 + O_2 \rightarrow CO_2 + H_2O$?
Question 2
What is the correct coefficient for oxygen gas when balancing the equation: $P_4 + O_2 \rightarrow P_4O_{10}$?
Question 3
When balancing the equation $Fe_2O_3 + H_2 \rightarrow Fe + H_2O$, what is the correct coefficient for $H_2$?
Question 4
Consider the unbalanced equation: $C_3H_8 + O_2 \rightarrow CO_2 + H_2O$. What is the total number of molecules of $H_2O$ in the balanced equation?
Question 5
In the reaction $H_2 + Cl_2 \rightarrow HCl$, what is the coefficient for $HCl$ in the balanced equation?