Le Lesson 1.10 Hw (Diffusion Lab)
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)
- 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% sugarExplanation
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.Rate this question:
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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% sugarExplanation
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.Rate 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% sugarExplanation
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.Rate this question:
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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 coloringExplanation
YELLOW + BLUE = GREEN. Both had to move if both turned green. GET IT TOGETHER, FOLKS!!!Rate this question:
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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 coloringExplanation
BOTH had to move. YELLOW + BLUE = GREEN.Rate this question:
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.png "Which sample(s) will have a change in the content of the bag?")
.png "Which sample will see the greatest change in the content of its components?")
.png "Which substance(s) diffused through the membrane?")
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Mar 21, 2023Quiz Edited by
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Oct 10, 2012Quiz Created by
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