Download the Complete Study Guide HERE: study guide
You can find selected answers HERE: study guide answers
Monday, June 15, 2009
Friday, June 12, 2009
Heating Curves and Phase Diagrams
Please visit the following website and scroll down until you get to 11.6: Heating Curves.
Click on the link and go through the tutorial with your partner.
http://www.wwnorton.com/college/chemistry/gilbert/index/site_map.htm#tutorials
And after our demo on Carbon Dioxide, click on this link again and go down to 9.7: Phase Diagrams.
Click on the link and go through the tutorial with your partner.
http://www.wwnorton.com/college/chemistry/gilbert/index/site_map.htm#tutorials
And after our demo on Carbon Dioxide, click on this link again and go down to 9.7: Phase Diagrams.
Wednesday, June 10, 2009
Heating Curve for Water
Look below for the sample chart of data from today's lab:
GREAT JOB GROUP 1 PERIOD 6!!
Use this graph to help you complete your HW.
Here is a copy of some raw data:
GREAT JOB GROUP 1 PERIOD 6!!
Use this graph to help you complete your HW.
Here is a copy of some raw data:
Monday, June 8, 2009
pH and Titrations Review Problems
4a.) The hydronium concentration is greater than the hydroxide concentration.
6.) a. neutral
b. basic
c. neutral
d. acidic
e. neutral
f. acidic
g. basic
8.) a. hydronium conc = 3.0 x 10-2 M, hydroxide conc = 3.3 x 10-13 M
c. hydronium conc = 5.0 x 10-3 M, hydroxide conc = 2.0 x 10-12 M
9.) a. 2.00
b. 3.00
c. 5.00
d. 4.00
11.) a. 12.00
b. 11.00
c. 10.00
13.) a. 1 x 10-3 M
b. 1 x 10-7 M
c. 1 x 10-11 M
d. 1 x 10-5 M
15.)a. 5.9 x 10-5 M
b. 2.2 x 10-8 M
c. 3.3 x 10-10 M
16.) a. 2.0 x 10-3 M
b. 5.0 x 10-12 M
c. 1.1 x 10-2 mol HNO3
d. 0.69 g HNO3
e. PLEASE IGNORE!
20.) a. The end point is reached when the unknown solution has been completely neutralized. This happens when the two substances (acid and base) are present in chemically equivalent amounts.
b. The indicator is present to change colors when the end point is reached.
24. a. 1.0 mol NaOH
b. 0.75 mol HNO3
c. 0.10 mol Ba(OH)2
d. 0.90 mol H2SO4
25.) 7.50 x 10-2 M KOH
26.) 3.02 x 10-2 M HNO3
6.) a. neutral
b. basic
c. neutral
d. acidic
e. neutral
f. acidic
g. basic
8.) a. hydronium conc = 3.0 x 10-2 M, hydroxide conc = 3.3 x 10-13 M
c. hydronium conc = 5.0 x 10-3 M, hydroxide conc = 2.0 x 10-12 M
9.) a. 2.00
b. 3.00
c. 5.00
d. 4.00
11.) a. 12.00
b. 11.00
c. 10.00
13.) a. 1 x 10-3 M
b. 1 x 10-7 M
c. 1 x 10-11 M
d. 1 x 10-5 M
15.)a. 5.9 x 10-5 M
b. 2.2 x 10-8 M
c. 3.3 x 10-10 M
16.) a. 2.0 x 10-3 M
b. 5.0 x 10-12 M
c. 1.1 x 10-2 mol HNO3
d. 0.69 g HNO3
e. PLEASE IGNORE!
20.) a. The end point is reached when the unknown solution has been completely neutralized. This happens when the two substances (acid and base) are present in chemically equivalent amounts.
b. The indicator is present to change colors when the end point is reached.
24. a. 1.0 mol NaOH
b. 0.75 mol HNO3
c. 0.10 mol Ba(OH)2
d. 0.90 mol H2SO4
25.) 7.50 x 10-2 M KOH
26.) 3.02 x 10-2 M HNO3
Saturday, May 30, 2009
Wednesday, May 20, 2009
Friday, May 15, 2009
Monday, May 11, 2009
Weak vs Strong Acids
http://www.mhhe.com/physsci/chemistry/essentialchemistry/flash/acid13.swf
Please click on the link above and take notes on the tutorial on your HW from last night. How does it compare with the paragraph that you wrote?
Please click on the link above and take notes on the tutorial on your HW from last night. How does it compare with the paragraph that you wrote?
Monday, April 6, 2009
Thursday, April 2, 2009
Gas Law Problems - Answers
As always, please email with questions:
1. 466 mL
2. 461 mL
3. 539 mL
4. 53.4 g/mol
5. 673 mL
6. 325 mL
7. 0.935 atm
8. 0.635 g SO2
9. 785 mL
10. 1.02 L
11. 436 mL
1. 466 mL
2. 461 mL
3. 539 mL
4. 53.4 g/mol
5. 673 mL
6. 325 mL
7. 0.935 atm
8. 0.635 g SO2
9. 785 mL
10. 1.02 L
11. 436 mL
Tuesday, March 3, 2009
Creating ID for Online HW
https://idmanager.its.utexas.edu/eid_self_help/?createEID&qwicap-page-id=A386D066E290AA8F
Student Quest (UT) Website Instructions
1. Log onto https://quest.cns.utexas.edu.
2. Click on Getting Started.
3. Click on I need a UT ID
4. Click on Get a UT ID.
5. Click on Continue.
6. Choose all No’s and Continue.
7. Fill in your personal info and click on Continue.
8. I’m not sure how you get your user id and password, but I presume that they email it to you.
9. Once you have a user id and password, repeat the first two steps above, but then type in your user id and password and log in.
After logging in with User ID and password, go to:
quest.cns.utexas.edu
Click "Get Started" or "My Courses"
10. Then click on Enroll in New Course.
11. Type in 5119 in course number and then click on lookup course info.
12. Click on Request Enrollment.
13. Click on assignment Mole Ratio Practice and try to answer each question.
14. Your grade for your next few assignments will be based on your grade on-line, but you can retry a problem when you get it wrong.
Student Quest (UT) Website Instructions
1. Log onto https://quest.cns.utexas.edu.
2. Click on Getting Started.
3. Click on I need a UT ID
4. Click on Get a UT ID.
5. Click on Continue.
6. Choose all No’s and Continue.
7. Fill in your personal info and click on Continue.
8. I’m not sure how you get your user id and password, but I presume that they email it to you.
9. Once you have a user id and password, repeat the first two steps above, but then type in your user id and password and log in.
After logging in with User ID and password, go to:
quest.cns.utexas.edu
Click "Get Started" or "My Courses"
10. Then click on Enroll in New Course.
11. Type in 5119 in course number and then click on lookup course info.
12. Click on Request Enrollment.
13. Click on assignment Mole Ratio Practice and try to answer each question.
14. Your grade for your next few assignments will be based on your grade on-line, but you can retry a problem when you get it wrong.
Tuesday, February 10, 2009
Answers to Selected Questions from "Writing Chemical Equations"
1. 2Cu + O2 → 2CuO
3. (NH4)2CO3 → 2NH3 + CO2(g) + H2O
5. Ca + 2H2O → Ca(OH)2 + H2
7. 4Cu + O2 → 2Cu2O
3. (NH4)2CO3 → 2NH3 + CO2(g) + H2O
5. Ca + 2H2O → Ca(OH)2 + H2
7. 4Cu + O2 → 2Cu2O
Tuesday, January 13, 2009
Wednesday, January 7, 2009
List of Polyatomic Ions
Selected Compound Formulas from Mole Mass Calculations
1.c. NH4C2H3O2
1.f. K2SO4
2.c. Ca3(PO4)2
2.e. Fe2(CO3)3
If you are having serious trouble with finding the formulas for these compounds, you can try looking up their names on the internet. However, make sure that if you can't do chemical formulas that you come to tutoring on Thursday.
Monday, January 5, 2009
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