Question 2 Note: Do this one as you did Question 1. I'll link another Youtube video at the end of the problem statement. You should watch the video at the appropriate place, note down the voltage reading, & write it as your answer. To do this, we now need to switch the solutions in such a way that they will be as if the battery had run down. What I mean by this is that we are going to change the concentrations of the two solutions such that the product concentration will be greater than the reactant concentration. This is what happens when a battery runs down - the (reactant) will get smaller because it is being used up, and vice-versa for the product. Recall that Q. the reaction quotient, is defined as (Product]/ [Reactant], with each concentration raised to the appropriate power. For the zinc-copper cell, the Zn is the product and the Cu2 is the reactant. So Q will be [Zn2"]/ [Cu?). Adjust the concentrations of the two solutions as follows: For the copper solution, add 6 ml of the copper solution to 24 mL of deionized water. This will give you a Cu" concentration of 0.2 M. For the zinc solution, add 18 mL of the zinc solution to 12 ml of deionized water. This will give you a Zn"concentration of 0.6 M. Now, proceed exactly as you did in Part I, using the new solution concentrations. Since we are simulating a used battery here, your new voltage should be slightly lower than your voltage in Part I. A rough estimate is that it will be about 1.08 to 1.09 V. If your reading is off, again make sure the electrodes are clean, and then if the reading is still off you may wish to switch to a different multimeter. Here is the link to the Youtube video. Watch at 1:30 to 2:00 to see the reading they got (for this same experiment). https://www.youtube.com/watch?v-afEX2FD4Ado e My voltage reading for Part II is:

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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question 2
Note: Do this one as you did Question 1. I'II link another Youtube video at the end of the problem
statement. You should watch the video at the appropriate place, note down the voltage reading, &
write it as your answer.
To do this, we now need to switch the solutions in such a way that they will be as if the battery had
run down. What I mean by this is that we are going to change the concentrations of the two
solutions such that the product concentration will be greater than the reactant concentration. This is
what happens when a battery runs down the [reactant] will get smaller because it is being used up,
and vice-versa for the product. Recall that Q, the reaction quotient, is defined as [Product] /
[Reactant], with each concentration raised to the appropriate power. For the zinc-copper cell, the
Zn2+ is the product and the Cu2+ is the reactant. So Q will be [Zn2+]/[Cu2*].
Adjust the concentrations of the two solutions as follows:
For the copper solution, add 6 mL of the copper solution to 24 mL of deionized water. This will give
you a Cu2* concentration of 0.2 M.
For the zinc solution, add 18 mL of the zinc solution to 12 mL of deionized water. This will give you a
Zn2*concentration of 0.6 M.
Now, proceed exactly as you did in Part I, using the new solution concentrations. Since we are
simulating a used battery here, your new voltage should be slightly lower than your voltage in Part I.
A rough estimate is that it will be about 1.08 to 1.09 V. If your reading is off, again make sure the
electrodes are clean, and then if the reading is still off you may wish to switch to a different
multimeter.
Here is the link to the Youtube video. Watch at 1:30 to 2:00 to see the reading they got (for this
same experiment).
https://www.youtube.com/watch?v=afEX2FD4Ado e
My voltage reading for Part II is:
Edit View Insert Format Tools Table
12pt v Paragraph v BI
Type here to search
近
2.
Transcribed Image Text:Question 2 Note: Do this one as you did Question 1. I'II link another Youtube video at the end of the problem statement. You should watch the video at the appropriate place, note down the voltage reading, & write it as your answer. To do this, we now need to switch the solutions in such a way that they will be as if the battery had run down. What I mean by this is that we are going to change the concentrations of the two solutions such that the product concentration will be greater than the reactant concentration. This is what happens when a battery runs down the [reactant] will get smaller because it is being used up, and vice-versa for the product. Recall that Q, the reaction quotient, is defined as [Product] / [Reactant], with each concentration raised to the appropriate power. For the zinc-copper cell, the Zn2+ is the product and the Cu2+ is the reactant. So Q will be [Zn2+]/[Cu2*]. Adjust the concentrations of the two solutions as follows: For the copper solution, add 6 mL of the copper solution to 24 mL of deionized water. This will give you a Cu2* concentration of 0.2 M. For the zinc solution, add 18 mL of the zinc solution to 12 mL of deionized water. This will give you a Zn2*concentration of 0.6 M. Now, proceed exactly as you did in Part I, using the new solution concentrations. Since we are simulating a used battery here, your new voltage should be slightly lower than your voltage in Part I. A rough estimate is that it will be about 1.08 to 1.09 V. If your reading is off, again make sure the electrodes are clean, and then if the reading is still off you may wish to switch to a different multimeter. Here is the link to the Youtube video. Watch at 1:30 to 2:00 to see the reading they got (for this same experiment). https://www.youtube.com/watch?v=afEX2FD4Ado e My voltage reading for Part II is: Edit View Insert Format Tools Table 12pt v Paragraph v BI Type here to search 近 2.
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