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Holt - Myers, Oldham, Tocci - Chemistry 2006 (Homework)

James Finch

Chemistry - HS, section 1st period, Fall 2010

Instructor: Dr. Friendly

Current Score : 0 / 10

Due : Monday, September 6, 2010 18:00 EDT

About this Assignment

Question
Points
1 2 3 4 5
0/3 0/1 0/4 0/1 0/1
Total
0/10

Description

Here are some textbook questions from Chemistry 2006 edition by R. Thomas Myers, Keith B. Oldham, Savatore Tocci published by Holt, Rinehart and Winston. Click here for a list of all of the questions coded in WebAssign.




1. –/3 points Notes Question: HoltChem06 2.CR.017.
Question part
Points
Submissions
1 2 3
0/1 0/1 0/1
0/50 0/50 0/50
Total
0/3
 
Perform the following calculations, and express the answers with the correct number of significant figures.
(a) 2.148 + 0.001
WebAssign will check your answer for the correct number of significant figures.
Enter a number with the correct number of significant figures.

(b) (9.8 8.474) + 0.0048
WebAssign will check your answer for the correct number of significant figures.
Enter a number with the correct number of significant figures.

(c) (159.56 43.8) - 1.915
WebAssign will check your answer for the correct number of significant figures.
Enter a number with the correct number of significant figures.


2. –/1 points Notes Question: HoltChem06 3.CR.050.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
Hydrogen's only electron occupies the 1s orbital but can be excited to a 3d orbital. Select all of the orbitals that this electron can occupy as it "falls."


3. –/4 points Notes Question: HoltChem06 5.CR.024.
Question part
Points
Submissions
1 2 3 4
0/1 0/1 0/1 0/1
0/50 0/50 0/50 0/50
Total
0/4
 
Write the formulas for the following polyatomic ions.
Type your answer using the following format:
[NH4]+ for NH4+
[CrO4]2- for CrO42-.
(a) phosphate
Answer is not case sensitive.

(b) sulfate
Answer is not case sensitive.

(c) cyanide
Answer is not case sensitive.

(d) thiosulfate
Answer is not case sensitive.


4. –/1 points Notes Question: HoltChem06 6.CR.036.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
Select the three resonance structures for SO3.


5. –/1 points Notes Question: HoltChem06 7.CR.064.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
Shown below is a structure of a sugar, glucose. What is the molar mass of glucose?
Enter a number.
 g/mol

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