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 09:12 EDT

Home My Assignments Grades Communication Calendar My eBooks

Holt - Davis et al - Modern Chemistry 1/e (Homework)

James Finch

Chemistry - HS, section 1st period, Fall 2019

Instructor: Dr. Friendly

Current Score : 27 / 27

Due : Friday, August 30, 2019 18:00 EDT

Last Saved : n/a Saving...  ()

Print Assignment
Question
Points
1 2 3 4 5
–/4 –/1 –/12 –/3 –/7
Total
27/27 (100.0%)

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. –/4 points DMWC1 12.RC.008. My Notes
Question Part
Points
Submissions Used
1 2 3 4
–/1 –/1 –/1 –/1
0/50 0/50 0/50 0/50
Total
–/4
 
Using Figure 12-12, estimate the approximate equilibrium vapor pressure of each of the following at the specified temperature.


Figure 12-12

(a) water at 40°C
(No Response) torr
(b) water at 80°C
(No Response) torr
(c) diethyl ether at 20°C
(No Response) torr
(d) ethanol at 60°C
(No Response) torr
Viewing Saved Work Revert to Last Response
2. –/1 points DMWC1 19.RC.002. My Notes
Question Part
Points
Submissions Used
1
–/1
0/50
Total
–/1
 
Which of the following are redox reactions?

Viewing Saved Work Revert to Last Response
3. –/12 points DMWC1 5.MR.039. My Notes
Question Part
Points
Submissions Used
1 2 3 4 5 6 7 8 9 10 11 12
–/1 –/1 –/1 –/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 0/50 0/50 0/50
Total
–/12
 
Without looking at the periodic table, identify the period, block, and group in which each of the following elements is located.
(a) [Rn]7s1
period
(No Response) block
    

group
(No Response) 		(b) [Kr] 4d105s1
period
(No Response) block
    

group
(No Response)
(c) [Ne] 3s23p1
period
(No Response) block
    

group
(No Response) 		(d) [Ar] 3d104s24p2
period
(No Response) block
    

group
(No Response)
Viewing Saved Work Revert to Last Response
4. –/3 points DMWC1 6.MR.051. My Notes
Question Part
Points
Submissions Used
1 2 3
–/1 –/1 –/1
0/50 0/50 0/50
Total
–/3
 
Determine the geometry of the following molecules.
(a) H2O
    
(b) SiCl3Br
    
(c) CCl4
    
Viewing Saved Work Revert to Last Response
5. –/7 points DMWC1 9.CR.12. My Notes
Question Part
Points
Submissions Used
1 2 3 4 5 6 7
–/1 –/1 –/1 –/1 –/1 –/1 –/1
0/50 0/50 0/50 0/50 0/50 0/50 0/50
Total
–/7
 
Sulfuric acid reacts with sodium hydroxide according to the following equation.

H2SO4 + NaOH Na2SO4 + H2O

(a) Balance the equation for this reaction.
(No Response) H2SO4 + (No Response) NaOH (No Response) Na2SO4 + (No Response) H2O
(b) What mass of H2SO4 would be required to react with 0.81 mol of NaOH?
WebAssign will check your answer for the correct number of significant figures.(No Response) g
(c) What mass of each product is formed by this reaction?
Na2SO4
WebAssign will check your answer for the correct number of significant figures.(No Response) g
H2O
WebAssign will check your answer for the correct number of significant figures.(No Response) g
Viewing Saved Work Revert to Last Response
Home My Assignments