Test
Balancing equations challenge
An 11th-grade classroom material focusing on balancing equations through various exercises, including identifying correctly balanced combustion and redox reactions, arranging steps in the balancing process, and matching word equations to their balanced forms.
By Edform · Chemistry · Grade 11 · Published Oct 15, 2026 · New
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Questions
- Which of the following is the correctly balanced equation for the complete combustion of propane (C3H8)?
- Which of the following equations are correctly balanced? Select all that apply.
- Arrange the steps in the required order to balance the equation ___ Fe + ___ O2 → ___ Fe2O3 using the odd-oxygen method.
- Match each word equation to its correct balanced chemical equation.
- Fill in the blanks to complete the balanced equation for the combustion of ethene: _ C2H4 + _ O2 → _ CO2 + _ H2O
- Select the correct coefficient for each blank to balance the redox reaction: _ Fe2O3 + _ CO → _ Fe + _ CO2
- Sort the following compounds as containing polyatomic ions or not.
- Determine whether each statement about balancing equations is true or false.
- What is the coefficient in front of O2 when the equation for the complete combustion of butane (C4H10) is balanced?
- How many moles of water are produced when 3 moles of propane (C3H8) combust completely? (C3H8 + 5 O2 → 3 CO2 + 4 H2O)
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