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Gilbert et al - Chemistry: Sci in Context 2003 (Homework)

Sarah Yates

W. W. Norton, section 1, Fall 2011

Instructor: Mr. Norton

Current Score : 0 / 13

Due : Thursday, December 1, 2011 08:00 PM EST

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Question
Points
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0/1 0/4 0/3 0/2 0/3
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0/13

  • Description

    Here are some textbook questions from Chemistry: The Science in Context 1/e by Gilbert, Kirss, and Davies published by W. W. Norton & Company. Click here for a list of all of the questions coded in WebAssign.

  • Instructions

    This demo assignment allows many submissions and allows you to try another version of the same question for practice wherever the problem has randomized values.

Assignment Submission

For this assignment, the number of submissions for each answer box is counted independently. The number of submissions remaining changes only if you submit a new or changed answer.

1. –/1 points Notes Question: GilChem2003 2.P.068.
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Samarium-153, rhenium-188, iodine-131, and radium-223 are used in nuclear medicine. Which ones are unlikely to undergo decay? (Select all that apply.)


Your work in question(s) will also be submitted or saved.
2. –/4 points Notes Question: GilChem2003 3.P.084.
Question part
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0/1 0/1 0/1 0/1
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How many unpaired electrons are there in ground-state Te, As, I, and Ge atoms?
Te
Enter an exact number.

As
Enter an exact number.

I
Enter an exact number.

Ge
Enter an exact number.

Your work in question(s) will also be submitted or saved.
3. –/3 points Notes Question: GilChem2003 12.P.048.
Question part
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Assign names to the following ethers.
(a)
Answer is not case sensitive.

(b)
Answer is not case sensitive.

(c)
Answer is not case sensitive.

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4. –/2 points Notes Question: GilChem2003 13.P.074.
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0/2
 
Which of the following amino acids are (R) and which are (S) enantiomers? (Select all that apply.)
(a) (b) (c)
(S) enantiomers


(R) enantiomers


Your work in question(s) will also be submitted or saved.
5. –/3 points Notes Question: GilChem2003 17.P.034.
Question part
Points
Submissions
1 2 3
0/1 0/1 0/1
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In the voltaic cell shown here, [Cu2+] = Cd2+ = 1.00 M. Identify, on the basis of the standard potentials in Appendix 6, which electrode is the anode and which is the cathode.
Cd
    

Cu
    

Indicate the direction of electron flow.
    


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