Identifying Chemical Reactions Quiz
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Questions and Answers

What is the balanced equation for the complete hydrocarbon combustion of C₁₈H₃₈?

  • C₁₈H₃₈ + O₂ → 18 CO₂ + 19 H₂O + energy
  • C₁₈H₃₈ + 26 O₂ → 18 CO₂ + 19 H₂O + energy
  • 2 C₁₈H₃₈ + 53 O₂ → 36 CO₂ + 38 H₂O + energy (correct)
  • C₁₈H₃₈ + 53 O₂ → 36 CO₂ + 19 H₂O + energy
  • Which type of reaction is occurring when AgNO₃ reacts with HCl?

  • Synthesis
  • Double Displacement (correct)
  • Single Displacement
  • Decomposition
  • Identify the incorrect balanced equation for the decomposition of KClO₃.

  • 2 KClO₃ → 2 KCl + 3 O₂
  • 2 KClO₃ → 2 KCl + 3/2 O₂ (correct)
  • 4 KClO₃ → 4 KCl + 6 O₂
  • KClO₃ → KCl + O₂
  • What type of reaction is represented by the equation 2 Al + 3 H₂SO₄ → Al₂(SO₄)₃ + 3 H₂?

    <p>Single Displacement</p> Signup and view all the answers

    Which equation correctly represents the synthesis of iron(III) oxide from iron and oxygen?

    <p>4 Fe + 3 O₂ → 2 Fe₂O₃</p> Signup and view all the answers

    Which of the following is NOT a product of the complete combustion of C₃H₈?

    <p>C₃H₈</p> Signup and view all the answers

    During the single displacement reaction represented by Cl₂ + 2 NaBr → 2 NaCl + Br₂, which element is displaced?

    <p>Bromine</p> Signup and view all the answers

    What is the type of reaction when a compound breaks down into simpler substances, as in the case of AlCl₃ → Al + Cl₂?

    <p>Decomposition</p> Signup and view all the answers

    Study Notes

    Identifying Chemical Reactions

    • A chemical reaction is a process that involves the rearrangement of atoms and molecules.
    • Reactions can be classified into different types based on their patterns.
    • Synthesis reactions involve the combination of two or more reactants to form a single product.
    • Decomposition reactions involve the breakdown of a single reactant into two or more products.
    • Single displacement reactions involve the replacement of one element in a compound by another element.
    • Double displacement reactions involve the exchange of ions between two reactants.
    • Complete hydrocarbon combustion reactions involve the burning of a hydrocarbon fuel in the presence of oxygen to produce carbon dioxide, water, and energy.
    • Combustion of an element reactions involve the burning of an element in the presence of oxygen to produce an oxide and energy.
    • Balancing chemical equations ensures that the number of atoms of each element on the reactant side is equal to the number of atoms of each element on the product side.

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    Description

    Test your knowledge on different types of chemical reactions. From synthesis to combustion, this quiz covers various reaction patterns and the process of balancing chemical equations. Understand how atoms and molecules rearrange to form products and the significance of each type of reaction.

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