Chemical Equations Worksheet
Grade 11 Science worksheet covering balancing chemical equations, types of reactions, and stoichiometry.
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Chemical Equations Worksheet
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Date:
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Read each question carefully and provide detailed answers or select the best option. Show all your work for calculations.
1. Balance the following chemical equation: C3H8 + O2 → CO2 + H2O
2. Balance the following chemical equation: Fe + H2SO4 → Fe2(SO4)3 + H2
3. What type of reaction is represented by: 2Na + Cl2 → 2NaCl?
Decomposition
Synthesis
Single displacement
Double displacement
4. Which of the following is a combustion reaction?
HCl + NaOH → NaCl + H2O
CH4 + 2O2 → CO2 + 2H2O
2H2O → 2H2 + O2
AgNO3 + NaCl → AgCl + NaNO3
5. In the reaction 2H2 + O2 → 2H2O, if you have 4 moles of H2, how many moles of H2O can be produced?
6. Given the balanced equation N2 + 3H2 → 2NH3, how many grams of NH3 can be formed from 10.0 grams of H2? (Atomic masses: N=14.01 g/mol, H=1.01 g/mol)
7. The law of conservation of mass states that matter cannot be created or destroyed in a chemical reaction.
True
False
8. Coefficients in a balanced chemical equation represent the number of atoms of each element.
True
False
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