Identifying the Limiting Reactant in a Chemical Reaction
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Questions and Answers

What is the limiting reactant in the reaction between CH3CHO and O2?

  • CH3COOH
  • O2
  • Both are limiting reactants
  • CH3CHO (correct)
  • In the reaction between TiO2, C, and Cl2, what is the limiting reactant?

  • TiO2
  • Cl2 (correct)
  • CO2
  • C
  • What is the percentage yield of CH3COOH in the reaction between CH3CHO and O2?

  • 80.2%
  • 87.2% (correct)
  • 92.5%
  • 95.8%
  • How many grams of TiCl4 can be produced from 4.15 g of TiO2, 5.67 g of C, and 6.78 g of Cl2?

    <p>9.072 g</p> Signup and view all the answers

    What is the role of the limiting reactant in a chemical reaction?

    <p>To determine the amount of product formed</p> Signup and view all the answers

    What was the primary observation made by physicists in the 19th century when they created a vacuum tube with wires inserted in both ends?

    <p>An electric charge created a fluorescent glow across the tube</p> Signup and view all the answers

    What property of the cathode rays led some researchers to argue that they were particles?

    <p>They produced a focused beam</p> Signup and view all the answers

    What was the purpose of coating the positive end of the tube with a fluorescing material?

    <p>To produce a focused dot when hit by the cathode rays</p> Signup and view all the answers

    What was the main point of debate among physicists regarding the cathode rays?

    <p>Whether they were waves or particles</p> Signup and view all the answers

    What was the significance of the cathode rays' inability to move around solid objects?

    <p>It suggested that they traveled in straight lines</p> Signup and view all the answers

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