Le Lesson 1.10 Hw (Diffusion Lab)

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Le Lesson 1.10 Hw (Diffusion Lab) - Quiz

These questions deal with diffusion. Answer them. If you fail the first time, READ THE EXPLANATION. It will help you the second time around.
REMEMBER: PERIOD# followed by FIRST & LAST NAME
(you must score at least 70)


Questions and Answers
  • 1. 

    Which solution will have no net change in its contents?  (INSIDE/OUTSIDE)

    • A.

      0% sugar / 25% sugar

    • B.

      5% sugar / 25% sugar

    • C.

      15% sugar / 25% sugar

    • D.

      25% sugar / 25% sugar

    Correct Answer
    D. 25% sugar / 25% sugar
    Explanation
    There will be no net change in either sample because the concentrations are equal. Particles will move, but they won't make a difference, because they are balanced out.

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  • 2. 

    Which sample(s) will have a change in the content of the bag?

    • A.

      0% sugar / 25% sugar

    • B.

      5% sugar / 25% sugar

    • C.

      10% sugar / 25% sugar

    • D.

      15% sugar / 25% sugar

    • E.

      20% sugar / 25% sugar

    • F.

      25% sugar / 25% sugar

    Correct Answer(s)
    A. 0% sugar / 25% sugar
    B. 5% sugar / 25% sugar
    C. 10% sugar / 25% sugar
    D. 15% sugar / 25% sugar
    E. 20% sugar / 25% sugar
    Explanation
    If there is a difference in concentration, there will be a change in the content. All but one have differences. Only one wrong answer in this question.

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  • 3. 

    Which sample will see the greatest change in the content of its components?

    • A.

      0% sugar / 25% sugar

    • B.

      10% sugar / 25% sugar

    • C.

      20% sugar / 25% sugar

    • D.

      25% sugar / 25% sugar

    Correct Answer
    A. 0% sugar / 25% sugar
    Explanation
    The greatest difference will see the greatest change in content. The concentration gradient (difference) is greatest in the 0%/25% sample, which means it will change the most.

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  • 4. 

    Which substance diffused through the membrane?

    • A.

      Blue food coloring, only

    • B.

      Yellow food coloring, only

    • C.

      Both blue and yellow food coloring

    • D.

      Neither blue nor yellow food coloring

    Correct Answer
    C. Both blue and yellow food coloring
    Explanation
    YELLOW + BLUE = GREEN. Both had to move if both turned green. GET IT TOGETHER, FOLKS!!!

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  • 5. 

    Which substance(s) diffused through the membrane?

    • A.

      Blue food coloring, only

    • B.

      Yellow food coloring, only

    • C.

      Both blue and yellow food coloring

    • D.

      Neither blue nor food coloring

    Correct Answer
    C. Both blue and yellow food coloring
    Explanation
    BOTH had to move. YELLOW + BLUE = GREEN.

    Rate this question:

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 10, 2012
    Quiz Created by
    Ionca
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