Chemical Reactions and Polymer Sensitivity Quiz
10 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the mass of 1 mole of diatomic oxygen molecules (O2)?

  • 31.9988 g (correct)
  • 15.9994 g
  • 62.3786 g
  • 47.9982 g

    • What is the molar mass of a single atom of oxygen (O)?

  • 15.9994 g (correct)
  • 31.9988 g
  • 47.9982 g
  • 16 g

    • If 1 mole of ozone (O3) has a mass of 47.9982 g, what is the mass of 4 moles of ozone?

  • 191.9928 g
  • 191.994 g
  • 143.9946 g
  • 287.9928 g (correct)

    • What is the Avogadro Number (N0) equivalent to?

    <p>6.02*10^23 units</p> Signup and view all the answers

    Which SI basic unit is mole equivalent to?

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

    What does the statement '1 mole = Avogadro Number (N0)' imply?

    <p>For any substance, 1 mole contains exactly 6.02*10^23 particles</p> Signup and view all the answers

    What is the molar concentration of a solution that contains 2 moles of solute in a volume of 0.5 dm3?

    <p>1 mol/dm3</p> Signup and view all the answers

    In a diluted solution of H2SO4, which of the following represents the correct dissociation process according to the Arrhenius model?

    <p>H2SO4 $ o$ H+ + HSO4-</p> Signup and view all the answers

    When it comes to water solution, what happens to the ion activity of H2SO4 as the temperature increases from 25°C to 350°C?

    <p>It increases initially and then decreases sharply</p> Signup and view all the answers

    Which of the following expressions correctly represents the molar fraction (Xni) of a component in a three-phase system when the component comprises 1 mole out of a total of 6 moles?

    <p>$Xn1 = \frac{1}{6}$</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser