Update for 4-30-2012

Here is the update for today:

Regent Chemistry 2:
• HW #28 (Due Tomorrow):  Worksheet - pH values, pH scale and pH indicators.
• For students who completed Lab. #26 this morning, Lab. Report #26 is due by Wednesday.
• Lab. #27 will starts tomorrow during P9 in Rm. 311.

Earth Science 2:
• Reminder:  Lab. Sheet #25 is PAST DUE as of TODAY!

Dr. Liu

Update for 4-28-2012

Here is the update for this weekend:

Regent Chemistry 2:
• HW #28 (due Tuesday):  Worksheet - pH values, pH scale and pH indicators.
• For Mon~Thurs Lab Groups:  Lab. Report #26 is due on Monday.  For FRI-P1 group, make-up lab should be held on Mon-P1 (8:00 AM sharp).  Please monitor the blog for further update.
• Unit 9 Exam on Acids and Bases should be held during the later part of next week.

Earth Science 2:
• Complete entire 4 pages of Lab. #25 handout as homework.  DUE:  Monday.

Dr. Liu

Notice for 4-27-2012

To my chemistry lab session students:

As discussed, I will not be able to make it to school due to my worsening cough.  The 1st period chemistry lab this morning will be canceled.  Make-up lab will be held next Monday 1st period at 8:00 AM.  Please keep monitoring the blog for any update.

Thanks.

Dr. Liu

Update for 4-26-2012

Here is the update for today:

Regent Chemistry 2:
• HW #28 (due Monday):  Worksheet - pH values, pH scale and pH indicators.
• At this point, I'm not certain about my plan for tomorrow yet.  If I can't make it to the school, then Fri-P1 Lab #26 make-up will be held on Monday P-1 (8:00 AM sharp). 

Earth Science 2:
• Complete entire 4 pages of Lab. #25 handout as homework for submission during our next class.

Dr. Liu

Update for 4-25-2012

Here is the update for today:

Regent Chemistry 2:
• No new HW tonight.
• Lab. #26 will continue tomorrow during P9 in Rm. 311.

Earth Science 2:
• Classwork #7 completed.  No new HW tonight.
• In-class lab. tomorrow.

Dr. Liu

Update for 4-24-2012

Here is the update for today:

Regent Chemistry 2:
• Quiz completed.  If you were absent today, it's your responsibility to ask for a make-up tomorrow.
• HW #27 (due Tomorrow):  Holt – Read pp. 539~547, Do p. 547 #2, #3, #5, #6.
• Lab. #26 will continue tomorrow during P1 in Rm. 311.

Earth Science 2:
• No new HW tonight.

Dr. Liu

Update for 4-23-2012

Here is the update for today:

Regent Chemistry 2:
• HW #26 (Due Tomorrow) - Worksheet: Acid-Base Neutralization Reactions.
• Quiz Tomorrow: Identifying electrolyte vs. nonelectrolyte, Writing chemical equation for Acid dissociation & for acid reactions w/ metals.
• Lab. #26 starts tomorrow during P9 in Rm. 311.

Earth Science 2:
• Final Chance: You have until midnight tonight to complete your Spring Recess Take-Home Exam.
• The completed lab. sheet #24 is past due!
• Classwork #6 completed. No new HW tonight.

* To ALL CLASSES: Progress report will be e-mailed tonight. Please verify its content carefully.

Dr. Liu

Update for 4-20-2012

Here is the update for this weekend:

Regent Chemistry 2:
• Lab. Report #25 is due on Monday.
• HW #26 (Due Tuesday) - Worksheet: Acid-Base Neutralization Reactions.
• Quiz on Monday: One problem will be on recognizing if a substance is an electrolyte or a non-electrolyte, another problem will be on either writing an equation for dissociation of acids and bases, or for reaction of acid with metal.

Earth Science 2:
• If you haven't done so, the completed Lab. sheet #24 will be due on Monday.

Have a good weekend.

Dr. Liu

Update for 4-19-2012

Here is the update for today:

Regent Chemistry 2:
• Chemistry Midterm completed. If you missed it today, be sure to ask for make up when you come in.
• Lab. #25 continues tomorrow during P1 in Rm. 311.
• Reminder: Deadline for All make-up labs (online/practical) and HW assignment: TOMORROW.

Earth Science 2:
• Earth Science Midterm completed. If you missed it today, be sure to ask for make up when you come in.
• Reminder: Deadline for All make-up labs (online/practical) and HW assignment: TOMORROW.
• Lab. #24 will be held in-class tomorrow.

Dr. Liu

Update for 4-18-2012

Here is the update for today:

Regent Chemistry 2:
• Lab. #25 continues tomorrow during P9 in Rm. 311.
• Reminder - Regent Chemistry Midterm Tomorrow: Be sure to bring #2 pencil, Calculator and Ref. Tables. The exam is cumulative starting from September 2011, will count as 1 unit exam.
• Topics covered on the Midterm: Atomic structure, Atomic Model, Periodic Table/Properties, Element Compound & Mixtures, Compositions and Chemical Equations, Properties of Solutions, Physical Behavior of Molecules, Chemical Bondings, and Energy Conversions/Transitions.
• Reminder: Deadline for All make-up labs (online/practical) and HW assignment: THIS FRIDAY.

Earth Science 2:
• REMINDER: Both Lab. sheets #23 and HW #5 Worksheet on Climate are WAY PAST DUE!!
• Earth Science 2 Midterm is This THURSDAY - Be sure to bring #2 pencil, Calculator and ESRT. The exam is cumulative starting from September 2011, will count as 1 unit exam.
• Topics covered on Midterm: Geological History, Rock and Minerals, Meteorology, Dynamics of Earth, Weathering and Erosion, and Astronomy.
• Reminder: Deadline for All make-up labs (online/practical) and HW assignment: THIS FRIDAY.

Dr. Liu

Update for 4-17-2012

Here is the update for today:

Regent Chemistry 2:
• HW #24 (Due - Tomorrow): Worksheet: Acids-Bases Nomenclature.
• HW #25 (Due Tomorrow): Holt - Read pp. 535-538; Do p. 538 Problems # 4, 6, 10.
• Lab. #25 continues tomorrow during P1 in Rm. 311.
• Thursday - Regent Chemistry Midterm: Be sure to bring #2 pencil, Calculator and Ref. Tables. The exam is cumulative starting from September 2011, will count as 1 unit exam.
• Reminder: Deadline for All make-up labs (online/practical) and HW assignment: THIS FRIDAY.

Earth Science 2:
• REMINDER: Both Lab. sheets #23 and HW #5 Worksheet on Climate are WAY PAST DUE!!
• Earth Science 2 Midterm is This THURSDAY - Be sure to bring #2 pencil, Calculator and ESRT. The exam is cumulative starting from September 2011, will count as 1 unit exam.
• Reminder: Deadline for All make-up labs (online/practical) and HW assignment: THIS FRIDAY.

Dr. Liu

Update for 4-16-2012

Here is the update for today:

Regent Chemistry 2:
• Reminder: Spring Recess Take-Home Exam is due at the latest by midnight tonight!
• HW #24 (Due - Wednesday): Worksheet: Acids-Bases Nomenclature.
• Lab. #25 starts tomorrow during P9 in Rm. 311.
• Thursday - Regent Chemistry Midterm: Be sure to bring #2 pencil, Calculator and Ref. Tables. The exam is cumulative starting from September 2011, will count as 1 unit exam.
• Reminder: Deadline for All make-up labs (online/practical) and HW assignment: THIS FRIDAY.

Earth Science 2:
• REMINDER: Both Lab. sheets #23 and HW #5 Worksheet on Climate are past due as of TODAY!
• Reminder: Spring Recess Take-Home Exam is due at the latest by midnight tonight!
• Earth Science 2 Midterm is This THURSDAY - Be sure to bring #2 pencil, Calculator and ESRT. The exam is cumulative starting from September 2011, will count as 1 unit exam.
• Reminder: Deadline for All make-up labs (online/practical) and HW assignment: THIS FRIDAY.

Dr. Liu

Update for 4-6-2012

Just finished posting of Spring Recess Take-Home Exams for both Regent Chemistry 2 and Earth Science 2 on Castlelearning.Com. Be sure to log in and complete the exam. Remember, this count as one unit exam in the exam category of your grade.

Enjoy your vacation.

Dr. Liu

Update for 4-5-2012

Here is the update for this upcoming Spring Recess:

Regent Chemistry 2:
• Lab. Report #24 will be due on Monday After Spring Break.
• Spring Break Take-Home Exam will be posted on CastleLearning.Com this weekend (Due - Monday after Spring Break).
• HW #24 (Due - Tuesday after Spring Break, after going over the lesson on Monday): Worksheet - Acids-Bases Nomenclature.
• Reminder: All make-up labs and HW assignments are due, at the latest, on Friday after Spring Break.

Earth Science 2:
• Completed LAB. #23 - Coastal and Continental Temperatures is due on Monday after the Spring break.
• HW #5: Worksheets - Section Summary on Climate (Due Monday after the break).
• Spring Break Take-Home Exam will be posted on CastleLearning.com: Due Monday after the break.
• Reminder: All make-up labs and HW assignments are due, at the latest, on Friday after Spring Break.

Have a good vacation.

Dr. Liu

Update for 4-4-2012

Here is the update for today:

Regent Chemistry 2:
• HW #23 (Due Tomorrow): Holt - Read pp. 530-534; Do p. 538 Problems # 1, 2, 3.
• Lab. #24 continues tomorrow during P9 in Rm. 311. Lab. Report #24 will be due on the Monday after the Spring break.

Earth Science 2:
• Classwork #5 - World Climate completed in class. No further assignment tonight.

Dr. Liu

Update for 4-3-2012

Here is the update for today:

Regent Chemistry 2:
• Unit 9 Exam completed.
• Lab. #24 continues tomorrow during P1 in Rm. 311. For those students who missed Monday P1 lab. session, you can make up the lab by going to tomorrow's P1 session.

Earth Science 2:
• Lab. #22 completed. Be sure to complete the lab. sheets and submit them tomorrow.

Dr. Liu

Update for 4-2-2012

Here is the update for today:

Regent Chemistry 2:
• As promised, the note for today's lesson can be downloaded here.
• Unit 9 Exam - Properties of Solutions to be held Tomorrow - Bring #2 pencil, Ref. tables, and calculator.
• Lab. #24 continues tomorrow during P9 in Rm. 311. For those students who were in Friday's P1 session but missed the lab this morning, you can make up the lab by going to Wednesday P1 session.

Earth Science 2:
• No new HW assignment for tonight.

Dr. Liu

Chemistry 2 - Solutions to Worksheets (HW #18 ~ #20)

Here are the solutions to HW #18 ~ HW #20 Worksheets. Download it and try to understand how to solve the problems.

Click to Download: HW #18, HW #19, and HW #20.

Dr. Liu