Update for 10/9/2009

Here is the update for this weekend:

Regent Chemistry 1:
• Reminder: HW #10 due Tuesday (See yesterday's posting).
• Lab. Report #4 Due Tuesday.
• Unit 1 Exam on Tuesday.

Regent Chemistry 2:
• Lab. Report #19 Due Tuesday.

• Please use the data set below for Part 2 of your experiment:

Hot Water: 87 grams
Initial Temp. 26.4 oC
0.5 min 55.0 oC
1.0 min 55.4 oC
1.5 min 55.2 oC
2.0 min 55.1 oC
2.5 min 55.1 oC
3.0 min 55.0 oC
Final Temp: 55.0 oC

Environmental Science 2:
• Now that you've finished the unit exam, enjoy the weekend!

That's all, folks, have a good weekend.

Dr. Liu

Update for 10/8/2009

Here is the update for today:

Regent Chemistry 1:
• HW #10: (Due Tuesday) Holt - Read pp. 40~45; Do p. 45 Problems #3, 5, 7, 8.
• Reminder: Lab. #4 tomorrow in Rm. 311.
• Reminder: Unit Exam #1 on Tuesday.

Regent Chemistry 2:
• Steam-off!
• Reminder: Lab. #19 tomorrow in Rm. 311.

Environmental Science 2:
• Unit Exam #1 tomorrow in Rm. 311. Study hard!

Dr. Liu

Update for 10/7/2009

Here is the update for today:

Regent Chemistry 1:
• As promised, I have uploaded the answer to the review sheet for Unit 1 here. Use that to help you study.
• Unit Exam #1 has been postponed to Tuesday 10/13/2009. Use these five extra days to your advantage (to learn the materials better).

Regent Chemistry 2:
• Unit Exam tomorrow. Study hard!

Environmental Science 2:
• Make sure you complete HW #5 and submit it by tomorrow.
• Unit Exam on Friday.

Dr. Liu

Update for 10/6/2009

Here is the update:

Regent Chemistry 1:
• HW: Work on your review sheet for the upcoming exam.
• Unit Exam on Thursday.

Regent Chemistry 2:
• HW: Work on the two review sheets for the upcoming exam.
• Unit Exam on Thursday.

Environmental Science 2:
• HW #5 (Due Tomorrow) - I could not locate the specific URL for the classification of hazardous wastes. Hence, I've enclosed the notes and the HW questions here.
• Reminder: Unit Exam on Friday.

Dr. Liu

Update for 10/5/2009

Here it is...

Regent Chemistry 1:
• HW #9: (Due Tomorrow) Holt - Read pp. 54~59, Do p. 59 Practice Problems 1, 2, 3
• Interim Progress report been sent out tonight.
• Unit Exam on Thursday.

Regent Chemistry 2:
• HW #7 (Due tomorrow): Holt - Read pp. 241-248; Do p. 248 #1, #4(a-c), #5, #6 (a,b)
• Interim Progress report been sent out tonight.
• Unit Exam on Thursday.

Environmental Science 2:
• No HW today.
• Unit Exam on Friday.

Dr. Liu

Update for 10/2/2009

Here are the updates for today:

Regent Chemistry 1:
• Lab. Report #3 due on Monday.
• Unit Exam to be held next Wednesday/Thursday.

Regent Chemistry 2:
• Lab. Report #18 due on Monday.
• Unit Exam to be held next Wednesday/Thursday.

Environmental Science 2:
• HW #4 (Due Monday): Answer all the questions on the two case studies related to mining and soil erosion (handout).
• Unit Exam to be held possibly next week.

Have a good weekend.

Dr. Liu

Update for 10/1/2009

Here are the updates for today:

Regent Chemistry 1:
• No new HW for tonight.
• Reminder: Lab. #3 tomorrow in Rm. 311.

Regent Chemistry 2:
• No new HW for tonight.
• Reminder: Lab. #18 tomorrow in Rm. 311.

Environmental Science 2:
• Reminder: Class meet in Rm. 311 tomorrow.

Dr. Liu