Diffusion
2 months ago
jer3mai1_50259
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14 QuestionsShow answers
  • Question 1
    45 seconds
    Q.

    Diffusion occurs only in solids

    answer choices

    True

    False

  • Question 2
    45 seconds
    Q.

    What is a solute?

    answer choices

    A substance dissolved in another substance

    the substance doing the dissolving

  • Question 3
    45 seconds
    Q.

    What is a solvent

    answer choices

    The one doing the dissolving

    The substance dissoved in another substance

  • Question 4
    45 seconds
    Q.

    How do the particles move in diffusion?

    answer choices

    From a region of low concentration to a region of high concentration

    From a region of high concentration to a region of low concentration

    From a region of low concentration to a region of low concentration

    From a region of high concentration to a region of high concentration

  • Question 5
    45 seconds
    Q.

    How long does diffusion last?

    answer choices

    Until the concentration of particles in the system is equal

    (Select this answer and I swear i'll make it harder for you in the assessment task)

    Until a region in the system has a greater concentration of particles than the other

    Until the particles disappear from the system

  • Question 6
    45 seconds
    Q.

    What happens to the concentration of carbon dioxide in you cells when you exercise

    answer choices

    Increase

    Decrease

    Remain constant

  • Question 7
    45 seconds
    Q.

    What hapens to the concentration of oxygen in the body cells when you exercise?

    answer choices

    Increase

    Decrease

    Remain constant

  • Question 8
    45 seconds
    Q.

    How does the body remove carbon dioxide from the cells?

    answer choices

    The body cells converts carbon dioxide into carbon monoxide

    The body cells don't expel the waste, they store them for future use

    The body cells expel the carbon dioxide through the use of the nucleus

    The carbon dioide diffuses out of the body cells and into the bloodstream due to differences in the concentration gradient

  • Question 9
    45 seconds
    Q.

    The movement of particles is __________, resulting in the particles being spread throughout the container

    answer choices

    Structured

    In a straight line

    Random

    In curved, way motions

  • Question 10
    45 seconds
    Q.

    What happens to the coffee particles when coffee is added to hot water?

    answer choices

    They sink to the bottom of the cup

    They spread out

    They clump together

  • Question 11
    45 seconds
    Q.

    Which diagram best shows the end result of diffusion?

    answer choices

    F

    G

    H

    J

  • Question 12
    45 seconds
    Q.

    What does a 'region with high concentration' mean?

    answer choices

    An area with a SMALL number of particles

    An area with a LARGE number of particles

    An area with an UNEVEN number of particles

    An area with no particles

  • Question 13
    45 seconds
    Q.

    Diffusion moves along the __________

    answer choices

    concentration gradient

    Avogadro's constant

    conservation of energy

  • Question 14
    45 seconds
    Q.

    When does diffusion stop?

    answer choices

    After a day and a night

    When the particles are evenly spread out

    When there are no particles left

    When all the particles leave the system

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