Balance the following redox reaction:  Mno42-   --> Mn2+   Write this question as the guidelines given below 1. Write the original/assigned question text.  A. The list is posted on the previous page of the module.  The questions come from the attached sample questions.  While students are encouraged to look over all questions in preparation for the exam, you are only critically evaluating the one assigned to you in this assignment. B. REPLY to the POST with the QUESTION NUMBER you are working.  This is CRITICAL to keep all posts organized.  To keep the page from extending indefinitely, you may select "Collapse Replies (up arrow at the bottom of this text) if desired.  You can also use "Control F" to search the page for the question number you want.   C. The post must be embedded and visible to all.  You can/should post a link to your Google Doc as well, but full credit is ONLY given when everyone can see your post.    2. Explain how else the concept may be assessed on exams.   A. Discuss other ways the same concept could be assessed. You are working on 'predicting' exam-level questions.  You can discuss working to other units, changing the chemicals, etc.  B. Be sure you are specifically discussing critical thinking and/or application questions.  Do NOT use definition-style, multiple choice, fill-in-the-blank, or other simple questions. These do not allow for demonstration of comprehension necessary for full credit.     3. Write a NEW exam-level question to demonstrate your comprehension.   A. This should be on the same concept as the question you were assigned and must be of similar difficulty.  Questions that are too 'easy' will not allow you to showcase your mastery of the concept.  Questions that are too 'hard' or that do not correspond to what you are required to know will not allow  you to prepare for the exams.     4. Indicate a 'plan' on how you intend to solve the problem.   A. You should have a numerical list.  These can be phrases (not complete sentences) if you want, as long as the material is sufficiently easy to follow.   B. Steps should be detailed.  For example, "look in the book for the equation" does not work as you could not use that step while taking exams.    C. You can use arrows like I do in our videos or list what you intend to do - but indicate you know what you want to accomplish here.   5. Show the step by step solution of the problem.   A. Using your plan, (and labeling each step), solve your predicted exam question.  For example, if you have a scientific notation question, you CANNOT say "move the decimal" but must illustrate each step of the process.     B.Explain each step of your process.     C. Arrive at the answer in this section.     6. Present your "Final Answer."   A. Your answer in its correct form should be presented or reiterated.  Units, correct notation, sig figs, etc should be considered.     B. Your answer should be correct for your problem.   7. Provide explanation and justification for your answer.     A. Indicate how you are confident this is correct or explain what the answer means (for mathematical questions include a discussion of the reason the answer is given to the number of sig figs/decimal places reported.)   B. This explanation must go beyond "I used the right formula" or "the textbook says..." and demonstrate your confidence in your logic and overall process. Rather than use the solution itself, or work backwards, consider if the answer is logical.  Could the answer have been anything else?  Why not?  Does this order of magnitude make sense?  Why?

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 77AP
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Balance the following redox reaction: 

Mno42-   --> Mn2+

 

Write this question as the guidelines given below

1. Write the original/assigned question text. 


A. The list is posted on the previous page of the module.  The questions come from the attached sample questions.  While students are encouraged to look over all questions in preparation for the exam, you are only critically evaluating the one assigned to you in this assignment.

B. REPLY to the POST with the QUESTION NUMBER you are working.  This is CRITICAL to keep all posts organized.  To keep the page from extending indefinitely, you may select "Collapse Replies (up arrow at the bottom of this text) if desired.  You can also use "Control F" to search the page for the question number you want.  

C. The post must be embedded and visible to all.  You can/should post a link to your Google Doc as well, but full credit is ONLY given when everyone can see your post. 

 

2. Explain how else the concept may be assessed on exams.

 

A. Discuss other ways the same concept could be assessed. You are working on 'predicting' exam-level questions.  You can discuss working to other units, changing the chemicals, etc. 

B. Be sure you are specifically discussing critical thinking and/or application questions.  Do NOT use definition-style, multiple choice, fill-in-the-blank, or other simple questions. These do not allow for demonstration of comprehension necessary for full credit.  

 

3. Write a NEW exam-level question to demonstrate your comprehension.

 

A. This should be on the same concept as the question you were assigned and must be of similar difficulty.  Questions that are too 'easy' will not allow you to showcase your mastery of the concept.  Questions that are too 'hard' or that do not correspond to what you are required to know will not allow  you to prepare for the exams.  

 

4. Indicate a 'plan' on how you intend to solve the problem.

 

A. You should have a numerical list.  These can be phrases (not complete sentences) if you want, as long as the material is sufficiently easy to follow.

 

B. Steps should be detailed.  For example, "look in the book for the equation" does not work as you could not use that step while taking exams.

  

C. You can use arrows like I do in our videos or list what you intend to do - but indicate you know what you want to accomplish here.

 

5. Show the step by step solution of the problem.

 

A. Using your plan, (and labeling each step), solve your predicted exam question.  For example, if you have a scientific notation question, you CANNOT say "move the decimal" but must illustrate each step of the process.  

 

B.Explain each step of your process.  

 

C. Arrive at the answer in this section.  

 

6. Present your "Final Answer."

 

A. Your answer in its correct form should be presented or reiterated.  Units, correct notation, sig figs, etc should be considered.  

 

B. Your answer should be correct for your problem.

 

7. Provide explanation and justification for your answer.  

 

A. Indicate how you are confident this is correct or explain what the answer means (for mathematical questions include a discussion of the reason the answer is given to the number of sig figs/decimal places reported.)

 

B. This explanation must go beyond "I used the right formula" or "the textbook says..." and demonstrate your confidence in your logic and overall process. Rather than use the solution itself, or work backwards, consider if the answer is logical.  Could the answer have been anything else?  Why not?  Does this order of magnitude make sense?  Why?  

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