Balancing Equations Quiz Form
Test your chemistry skills by answering questions on balancing chemical equations. All questions are required. Please review each section carefully.
For the equation: H₂ + O₂ → H₂O, enter the correct coefficients to balance the equation.
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Rows
Reactant: Hâ‚‚
Reactant: Oâ‚‚
Product: Hâ‚‚O
Coefficient
Which of the following equations is already balanced?
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N₂ + 3H₂ → 2NH₃
C + O₂ → CO
2Na + Cl₂ → NaCl
Other
Balance the following equation by entering the correct coefficients: Fe + O₂ → Fe₂O₃
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Rows
Fe
Oâ‚‚
Fe₂O₃
Coefficient
Select the correct set of coefficients to balance: Al + O₂ → Al₂O₃
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4, 3, 2
2, 3, 2
2, 1, 1
Other
Explain in a few sentences how you approach balancing chemical equations.
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Which element should you balance first in most chemical equations?
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Metals
Hydrogen
Oxygen
Nonmetals
Balance the following: C₃H₈ + O₂ → CO₂ + H₂O. Enter the coefficients for each compound.
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Rows
C₃H₈
Oâ‚‚
COâ‚‚
Hâ‚‚O
Coefficient
True or False: The law of conservation of mass is the reason chemical equations must be balanced.
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True
False
In your own words, describe a common mistake students make when balancing equations.
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How confident are you in your ability to balance chemical equations?
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1
2
3
4
5
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