WebAssign is not supported for this browser version. Some features or content might not work. System requirements

WebAssign

Welcome, demo@demo

(sign out)

Sunday, April 6, 2025 08:37 EDT

Home My Assignments Grades Communication Calendar My eBooks

Glencoe Chemistry: Matter and Change 2002 (Homework)

James Finch

Chemistry - HS, section 1st period, Fall 2019

Instructor: Dr. Friendly

Current Score : 18 / 18

Due : Friday, August 23, 2019 18:00 EDT

Last Saved : n/a Saving...  ()

Print Assignment
Question
Points
1 2 3 4 5
–/3 –/2 –/9 –/1 –/3
Total
18/18 (100.0%)

  • Instructions

    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. 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!)

Assignment Submission

For this assignment, you submit answers by question parts. The number of submissions remaining for each question part only changes if you submit or change the answer.

Assignment Scoring

Your last submission is used for your score.

1. –/3 points GChemMC02 1.005.sa. My Notes
Question Part
Points
Submissions Used
1 2 3
–/1 –/1 –/1
0/50 0/50 0/50
Total
–/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 (No Response) the ozone concentration (No Response)
Viewing Saved Work Revert to Last Response
2. –/2 points GChemMC02 2.003.pp. My Notes
Question Part
Points
Submissions Used
1 2
–/1 –/1
0/50 0/50
Total
–/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.
(No Response) g/cm3
Viewing Saved Work Revert to Last Response
3. –/9 points GChemMC02 3.003.sa. My Notes
Question Part
Points
Submissions Used
1 2 3 4 5 6 7 8 9
–/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1 –/1
0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50
Total
–/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(No Response) (No Response) (No Response)
liquid(No Response) (No Response) (No Response)
gas(No Response) (No Response) (No Response)
Viewing Saved Work Revert to Last Response
4. –/1 points GChemMC02 4.068.ca. My Notes
Question Part
Points
Submissions Used
1
–/1
0/50
Total
–/1
 
Data for chromium's four naturally occuring isotopes is provided in the table below. Calculate chromium's atomic mass.

(No Response) amu
Viewing Saved Work Revert to Last Response
5. –/3 points GChemMC02 5.006.pp. My Notes
Question Part
Points
Submissions Used
1 2 3
–/1 –/1 –/1
0/50 0/50 0/50
Total
–/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
    
Viewing Saved Work Revert to Last Response
Home My Assignments