Balancing Chemical Equations Quiz

In the reaction $2\text{H}_2\text{O}$​ ​​​​​​​​​​​​​​​​​→ $2\text{H}_2+\text{O}_2$​​​​​​​​​​​​​​​, how many hydrogen (H) atoms are there in 2 molecules of $\text{H}_2\text{O}$​​​​​​​​​​​​​​​?

Which of the following is correct for the word equation: Magnesium + Oxygen → Magnesium oxide?

Which of the following is a synthesis reaction?

In the equation $\text{Fe}$​​​​​​​​​​ + $\text{O}_2$​​​​​​​​​​ → $\text{Fe}_2\text{O}_3$​​​​​​​​​​, what is the coefficient of Fe?

The reaction $\text{Z}\text{n + HCl}$ → $\text{ZnCl}_2+\text{H}_2$​​​​ is balanced by which set of coefficients?

Balance the equation: $\text{C}+\text{O}_2$​​​​ → $\text{CO}_2$​​​​​.​ What is the coefficient of O₂?

Which of these equations is balanced?

Balance the equation: $\text{Al}+\text{O}_2$​ ​​​​→ ​$\text{Al}_2\text{O}_3$​​​​. What are the correct coefficients?

Which of the following is correctly balanced?

Balance the equation: $\text{Fe}+\text{Cl}_2$​​​​​ → $\text{FeCl}_3$​​​​​.​ What are the coefficients?

Balance the equation: $\text{Na}+\text{H}_2\text{O}$​​​​​ → $\text{NaOH}+\text{H}_2$​​​​.​ What are the coefficients?

Balance the equation: $\text{K}+\text{Br}_2$​​​​​ → $\text{KBr}$​​​​.​ What are the coefficients?

Balance the equation: $\text{Al}+\text{HCl}$​​​​​ → $\text{AlCl}_3+\text{H}_2$​​​​.​ What are the coefficients?

Balance the equation: $\text{Na}+\text{Cl}_2$​​​​​ → $\text{NaCl}$​​​​. What are the coefficients?

Balance the equation: $\text{H}_2+\text{F}_2$​​​​​ → $\text{HF}$​​​​.​ What are the coefficients?

Balance the equation: $\text{P}+\text{O}_2$​​​​​ → $\text{P}_2\text{O}_5$​​​​.​​ What are the coefficients?

Which of the following is balanced?

Balance the equation: $\text{C}_3\text{H}_8+\text{O}_2$​​​​​​ → $\text{CO}_2+\text{H}_2\text{O}$​​​​​.​​ What are the coefficients?

Balance the equation: $\text{Ca}+\text{N}_2$​​​​​ → $\text{Ca}_3\text{N}_2$​​​​.​ What are the coefficients?

Balance the equation: $\text{KCl}\text{O}_3$​​​​ → $\text{KCl}+\text{O}_2$​​​.​ What are the coefficients?

Balance the equation: $\text{F}\text{e}+\text{S}$​​​​​ → $\text{FeS}$​​​​.​ What are the coefficients?

Balance the equation: $\text{H}_2+\text{I}_2$​​​​ → $\text{HI}$​​​.​ What are the coefficients?

Balance the combustion of methane: $\text{CH}_4+\text{O}_2$​​​​ → $\text{CO}_2+\text{H}_2\text{O}$​​​.​​ What are the coefficients?

Balance the equation: Na₂O → Na + O₂. What are the coefficients?

Balance the equation: H₂ + Br₂ → HBr. What are the coefficients?