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Goldberg - Fundamentals of Chemistry 4/e (Homework)

James Finch

Chemistry - College, section 1, Fall 2010

Instructor: Dr. Friendly

Current Score: 0/48

Due: Saturday, September 18, 2010 08:15 EDT

About this Assignment

Question
Points
1 2 3 4 5 6
0/1 0/3 0/20 0/18 0/4 0/2
Total
0/48

Description

Here are some textbook questions from Fundamentals of Chemistry 4e by David E. Goldberg published by McGraw-Hill. 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. 0/1 points All Submissions Notes Question: GoldChem4 3.P.025.
Question part
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1
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4/50
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0/1
 
Two compounds are each composed of elements A and B. The first contains 2.222 g of B for every gram of A. Of the following possibilities, which ones could be the correct number of grams of B per gram of A in the second compound? (Select all that apply.)

Your answer is incorrect.




2. –/3 points Notes Question: GoldChem4 4.P.051.
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1 2 3
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0/3
 
How many unpaired electrons are in an atom in the ground state, assuming that all other subshells are either completely full or empty, if its outermost p subshell contains the following number of electrons?
(a) two
Answer is not case sensitive.

(b) three
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(c) one
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3. –/20 points Notes Question: GoldChem4 5.P.097.
Question part
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 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 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50
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0/20
 
Complete the following table. (Type your answer using the format [NH4]+ for NH4+, and [O]2- for O2-. Enter the net charge using the format +1.)
Symbol Atomic
Number		 No. of
Protons		 No. of
Electrons		 Net
Charge
(a) S2-
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(b)
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 13
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 3+
(c)
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 8 10
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(d) Sb3-
Answer is not case sensitive.
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(e)
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 38
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 38
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(f)
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 36 3-


4. –/18 points Notes Question: GoldChem4 6.P.064.
Question part
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 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 0/50 0/50 0/50 0/50 0/50 0/50
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0/18
 
Complete the following table by writing the formula and name of each compound formed from an anion at the top and a cation on the left. (Type your answer using the format H2O for H2O, and Cu(MnO4)2 and copper(II) permanganate for Cu(MnO4)2.)

Carbonate Chlorate Arsenate
Ni2+ formula
Answer is case sensitive.
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name
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Sn2+ formula
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name
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V3+ formula
Answer is case sensitive.
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Answer is case sensitive.
name
Answer is not case sensitive.
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5. –/4 points Notes Question: GoldChem4 11.P.048.
Question part
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Submissions
1 2 3 4
0/1 0/1 0/1 0/1
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0/4
 
If 0.249 mol of Al2(SO4)3 and 0.249 mol of Na2SO3 are dissolved in enough water to make 251.5 mL of solution, what is the concentration of each ion in the solution?
Al3+
WebAssign will check your answer for the correct number of significant figures.
Enter a number with the correct number of significant figures.
 M
SO42-
WebAssign will check your answer for the correct number of significant figures.
Enter a number with the correct number of significant figures.
 M
Na+
WebAssign will check your answer for the correct number of significant figures.
Enter a number with the correct number of significant figures.
 M
SO32-
WebAssign will check your answer for the correct number of significant figures.
Enter a number with the correct number of significant figures.
 M

6. –/2 points Notes Question: GoldChem4 19.TB.054.
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Propylene (propene) is an example of an unsaturated hydrocarbon. Is polypropylene also unsaturated?
    


Explain.


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