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Glencoe Chemistry: Matter and Change 2002 (Homework)

James Finch

Chemistry - HS, section 1st period, Fall 2010

Instructor: Dr. Friendly

Current Score : 0 / 18

Due : Monday, August 23, 2010 18:00 EDT

About this Assignment

Question
Points
1 2 3 4 5
0/3 0/2 0/9 0/1 0/3
Total
0/18

Description

Here are some textbook questions from Glencoe Chemistry: Matter and Change ©2002 published by Glencoe/McGraw-Hill. Click here for a list of all of the questions coded in WebAssign.


Instructions

This demo assignment allows many submissions and makes the answer key available after the first submission so you can see the correct answers. (Typically, the answer key is posted after the due date!)



1. –/3 points Notes Question: GChemMC02 1.005.sa.
Question part
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1 2 3
0/1 0/1 0/1
0/50 0/50 0/50
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0/3
 
What general trend in ozone concentration is shown in the graph below?

    



Compare the data for the years 1977-1987 on this graph above compare to the same time span on the graph in Figure 1-5. What do you notice?


Figure 1-5

As the CFCs the ozone concentration

2. –/2 points Notes Question: GChemMC02 2.003.pp.
Question part
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1 2
0/1 0/1
0/50 0/50
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0/2
 
A metal cube has a mass of 19 g and a volume of 4 cm3. Is the cube made of pure aluminum?
    


Give the density of the metal cube to support your answer.
Enter a number.
 g/cm3

3. –/9 points Notes Question: GChemMC02 3.003.sa.
Question part
Points
Submissions
1 2 3 4 5 6 7 8 9
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
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0/9
 
Complete the table below that describes the three common states of matter in terms of their shape, volume, and compressibility by selecting the appropriate choices from the pulldown menus.
state of mattershapevolumecompressibility
solid
liquid
gas

4. –/1 points Notes Question: GChemMC02 4.068.ca.
Question part
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1
0/1
0/50
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0/1
 
Data for chromium's four naturally occuring isotopes is provided in the table below. Calculate chromium's atomic mass.


Enter a number.
 amu

5. –/3 points Notes Question: GChemMC02 5.006.pp.
Question part
Points
Submissions
1 2 3
0/1 0/1 0/1
0/50 0/50 0/50
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0/3
 
Use Figure 5-5 to determine the types of radiation described below.


Figure 5-5

(a) 6.32 1020 s-1



(b) 9.50 1013 Hz



(c) 1.05 108 s-1



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