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Hill and Kolb - Chemistry: for Changing Times 11/e (Homework)

Chris Read

Prentice Hall, section 1, Fall 2010

Instructor: Mr. Prentice Hall

Current Score : 0 / 25

Due : Sunday, October 17, 2010 08:00 PM EDT

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Question
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0/25

Description

Here are some textbook and testbank questions from Chemistry: for Changing Times 11/e by John W. Hill and Doris K. Kolb published by Prentice Hall. 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. –/6 points Notes Question: HilChem11 1.P.049.
Question part
Points
Submissions
1 2 3 4 5 6
0/1 0/1 0/1 0/1 0/1 0/1
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0/6
 
Identify each of the following as a substance or a mixture.
(a) distilled water
    



(b) diamond
    



(c) milk
    



(d) carbon dioxide
    



(e) a carrot
    



(f) gasoline
    



2. –/12 points Notes Question: HilChem11 3.AP.080.
Question part
Points
Submissions
1 2 3 4 5 6 7 8 9 10 11 12
0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1
0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50
Total
0/12
 
Give the period number and group number for the element whose atoms have the following electron configurations.
(a) 1s22s22p63s1
period number
Answer is not case sensitive.

group number
Answer is case sensitive.

 (b) 1s22s22p63s23p1
period number
Answer is not case sensitive.

group number
Answer is case sensitive.

 (c) 1s22s22p3
period number
Answer is not case sensitive.

group number
Answer is case sensitive.

(d) 1s22s22p6
period number
Answer is not case sensitive.

group number
Answer is case sensitive.

 (e) 1s22s2
period number
Answer is not case sensitive.

group number
Answer is case sensitive.

 (f) 1s22s22p63s23p4
period number
Answer is not case sensitive.

group number
Answer is case sensitive.



3. –/2 points Notes Question: HilChem11 6.P.030.
Question part
Points
Submissions
1 2
0/1 0/1
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0/2
 
Consider the following equation.
C2H4(g) + 3 O2(g) 2 CO2(g) + 2 H2O(g)
(a) What volume in liters of CO2(g) is formed when 134 L of C2H4(g) is burned? Assume both gases are measured under the same conditions.
WebAssign will check your answer for the correct number of significant figures.
Enter a number with the correct number of significant figures.
 L

(b) What volume in liters of O2(g) is required to form 37 L of CO2(g)? Assume both gases are measured under the same conditions.
WebAssign will check your answer for the correct number of significant figures.
Enter a number with the correct number of significant figures.
 L


4. –/3 points Notes Question: HilChem11 15.P.050.
Question part
Points
Submissions
1 2 3
0/1 0/1 0/1
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0/3
 
How many carbon atoms are there in a molecule of each of the following fatty acids?
(a) linolenic acid
Enter an exact number.


(b) oleic acid
Enter an exact number.


(c) palmitic acid
Enter an exact number.


5. –/2 points Notes Question: HilChem11 15.P.068.
Question part
Points
Submissions
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0/1 0/1
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0/2
 
Identify the sugar and the base in the following nucleotide.
sugar
Answer is not case sensitive.

base
Answer is not case sensitive.

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