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Gilbert, Kirss, & Davies-Chemistry: Sci in Context (Homework)

James Finch

Chemistry - College, section 1, Fall 2010

Instructor: Dr. Friendly

Current Score : 0 / 13

Due : Saturday, September 11, 2010 08:00 EDT

About this Assignment

Question
Points
1 2 3 4 5
0/1 0/4 0/3 0/2 0/3
Total
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.



1. –/1 points Notes Question: GilChem2003 2.P.068.
Question part
Points
Submissions
1
0/1
0/50
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0/1
 
Samarium-153, rhenium-188, dysprosium-165, and radium-223 are used in nuclear medicine. Which ones are unlikely to undergo decay? (Select all that apply.)




2. –/4 points Notes Question: GilChem2003 3.P.084.
Question part
Points
Submissions
1 2 3 4
0/1 0/1 0/1 0/1
0/50 0/50 0/50 0/50
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0/4
 
How many unpaired electrons are there in ground-state Te, Ca, K, and Ge atoms?
Te
Enter an exact number.

Ca
Enter an exact number.

K
Enter an exact number.

Ge
Enter an exact number.


3. –/3 points Notes Question: GilChem2003 12.P.048.
Question part
Points
Submissions
1 2 3
0/1 0/1 0/1
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0/3
 
Assign names to the following ethers.
(a)
Answer is not case sensitive.

(b)
Answer is not case sensitive.

(c)
Answer is not case sensitive.


4. –/2 points Notes Question: GilChem2003 13.P.074.
Question part
Points
Submissions
1 2
0/1 0/1
0/50 0/50
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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




5. –/3 points Notes Question: GilChem2003 17.P.034.
Question part
Points
Submissions
1 2 3
0/1 0/1 0/1
0/50 0/50 0/50
Total
0/3
 
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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