Balancing Chemical Equations Worksheet
Grade 12 Chemistry worksheet on balancing chemical equations, including multiple choice, fill-in-the-blanks, and short answer questions.
Includes
Standards
Topics
Balancing Chemical Equations
Name:
Date:
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Read each question carefully and provide the best answer. Show all your work for balancing equations.
1. What principle is upheld when balancing chemical equations?
Law of Definite Proportions
Law of Conservation of Mass
Law of Multiple Proportions
Avogadro's Law
2. What is the coefficient for O₂ when the following equation is balanced? C₃H₈ + O₂ → CO₂ + H₂O
3
5
7
10
1. In a balanced chemical equation, the number of atoms for each element must be on both sides of the equation.
2. Coefficients in a chemical equation represent the ratios of reactants and products.
1. Balance the following chemical equation: Al + O₂ → Al₂O₃
2. Balance the following chemical equation: Fe₂O₃ + CO → Fe + CO₂
1. Changing the subscripts in a chemical formula is an acceptable way to balance an equation.
True
False
2. The sum of the coefficients of the reactants must always equal the sum of the coefficients of the products in a balanced equation.
True
False
1. Explain why balancing chemical equations is essential in stoichiometry calculations.
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