Balancing Chemical Equations Worksheet
Grade 11 Chemistry worksheet focusing 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 answer to the best of your ability. For balancing equations, ensure that the number of atoms for each element is equal on both sides of the reaction.
1. What principle is upheld when balancing chemical equations?
Law of Conservation of Energy
Law of Conservation of Mass
Law of Definite Proportions
Law of Multiple Proportions
2. In the reaction $CH_4 + O_2 \rightarrow CO_2 + H_2O$, what is the coefficient for $O_2$ when the equation is balanced?
1
2
3
4
3. A is a number placed in front of a chemical formula in an equation to balance it.
4. In a balanced chemical equation, the total number of atoms of each element on the reactant side must be to the total number of atoms of each element on the product side.
5. Balance the following chemical equation:
$N_2 + H_2 \rightarrow NH_3$
6. Balance the following chemical equation:
$Al + O_2 \rightarrow Al_2O_3$
7. Subscripts in a chemical formula can be changed to balance an equation.
True
False
8. Balancing chemical equations ensures that mass is conserved during a chemical reaction.
True
False
9. Explain why it is important to balance chemical equations.
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