Semester+2+Feb+2-6

February 2 to 6

Monday Feb 2-Day 3 Chem 122 Homework for tuesday: Do handout ques #1 and start naming assignment Today we will review enthalpy change and check over the answers for #23,24 from p 524 and work with total energy and heating and cooling curves. We practised drawing various curves. I also reviewed naming...you received an assignment that is due friday. Heating and cooling curve intro youtube: [] You will do some pair work today from the booklets on q and delta H calculations....snow day has delayed this [] Enthalpy/Enthalpy change

Chem 111-P1-absent Friday---here is the prelab document Assigned Homework: metric sheet 1-14 for tuesday/ start working on pre-lab/water soluble markers needed for wednesday's mini lab The first half of the class, you will be learning about the ways of separating matter(we will finish this on monday)and the other half of the class will be spent in the lab doing an activity that involves answering a questionaire on safety features of the lab.You will also received a pre-lab sheet that needs to be done by next monday. Please bring in water soluble markers for wednesday's class as we will be doing a mini-lab on chromatography.

__Chem 112__-P3,4 Assigned Homework: Finish 1-10 metric sheet/ p 47 11 to 17 We went over the eight ways of separating matter. We also did a safety exercise in the lab to start getting ready for our first set of labs.

REMINDER: COURSE INFO FORM MUST BE SUBMITTED BEFORE YOU CAN DO LABS.


 * Feb 3-Tuesday -Day 4....snow day again**
 * Feb 4-Wednesday-Day 5**

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‍//Did you print off, read, have your parent(s) or guardians read the course information form and submit it to me. Those who have done so will receive two bonus marks on their next homework check.//====== __Chem 122__- Reminder that your naming review assignment is due on friday. I encourage you to pass this in on thursday and receive a 10% bonus. Today I had you do a full cooling curve calculation with a partner. You copied down the notes on thermochemical equations but we didn't have time to go over them. we did not go over #1 to see how you tackled the problem.....since you had a snow day yesterday, I asked you to double check what you did with this question and assigned 2,3 from the blue worksheet. New work for today is enthalpy and thermochemical equations section 17.2. Do p 516 #14, 15 and p 521 #21 and #22. Heating and cooling curve intro youtube: [] You will do some pair work today from the booklets on q and delta H calculations [] Enthalpy/Enthalpy change

Chem111 -We briefly went over the chromatography mini lab. We finished the safety exercise We went over the metric solutions for 1 to 14. Today we had a homework check. Make a list of the 10 most important safety rules.......please submit on friday The reference section at the back of the book has some information on lab safety but you may wish to come up with some of your own from the youtube that you saw today or by googling lab safety. p 47 11 to 17(done on Monday) LAB SAFETY VIDEO [] Tomorrow you will practise lighting a bunsen burner.. __Lab Information__: Chem 11 labs will start monday. No open toes shoes, or contact lenses. Also please make sure that your course information form is signed at the bottom. Reminder: #2 from the top of page 87 is to be done for tomorrow, and the prelab for monday

Chem 112 Assigned work -p 55 28-34 p 42 1 to 8, do p 87 2all. -tomorrow you will do a chromatography mini-lab. . 1-10 from the small handout was checked in class. and p 47 1 to 11 Homework: Reminder: #2 from the top of page 87 is to be done for tomorrow p 47 11 to 17(assigned Monday)

__Chem 122__-. New work for today is enthalpy and thermochemical equations section 17.2. Do p 516 #14, 15 and p 517 17 to 19. We went over #1 from the worksheet. Reminder that your naming review assignment is due on friday. I encourage you to pass this in on thursday and receive a 10% bonus. NEW WORK FOR TMRO Hess Law I will do one ex. Heating and cooling curve intro youtube: [] You will do some more pair work today from the booklets on q and delta H calculations [] Enthalpy/Enthalpy change Newest Assignment for next tuesday: Find the total energy required to cool ethanol from 102 degrees C to -134 degrees C The Volume that you are cooling is 500mL. Show your work and units for all five calculations for the cooling curve. The bp= 76oC mp= -114oC. Circle or highlight the values that you obtained from tables. The specific heat values for ethanol steam is 0.85 J/g oC and frozen ethanol is 1.05 J/goC. The value for the liquid can be obtained form your table 17.1. The value for Hvap= 38.56KJ/mol and H fus=4.90KJ/mol (2011 data). Please include a well-labelledcooling curve with PE, KE, formulas and states on it. Your final answer should contain the proper number of significant digits. Here is a document showing the answer to #1 from the worksheet.
 * Feb 5 Thursday-Day 6**
 * [|Details]
 * [[file:sanfordchemistry/Answer to #1 from worksheet for ch 17.doc|Download]]
 * 116 KB

__Chem 112__- 10 safety rules due today We will do the chromatography experiment during the last half of class. We had a homework check today. Today we will go over sections 1.1, 2.1 and 2.4. We will check some of the answers to: p 42 1 to 8 and More metric p 87 top #2 all

__Chem 111__-Today we had a homework check. You then completed the lab safety exercise(if it isn't finished) I explained how the assignment on the scientists can be done and overviewed the homework to be done during labs. We completed the chromatography work(tmro). Make a list of the 10 most important safety rules.......please submit on friday. The reference section at the back of the book has some information on lab safety but you may wish to come up with some of your own from the youtube that you saw today or by googling lab safety. p 47 11 to 17...already done LAB SAFETY VIDEO [] Tomorrow you will practise lighting a bunsen burner.. __Lab Information__: Chem 11 labs will start monday. No open toes shoes, or contact lenses. Also please make sure that your course information form is signed at the bottom.

Please note that on Monday/ Tuesday (last column that the first page listed p 42 1-8 was assigned already and that the questions from p 47 were listed in the second column. Please disregard p 42 11-17. Thanks for noticing this B

Chem 122-Hess's Law today Please do the question 8 all from the handout Also go back and try #14 and 15 from your text again. You have a heating/cooling curve assign due on Tuesday of next week
 * Friday Feb Day 7**

Chem 112- We will spend time today going over the Periodic Table. We will be reviewing properties, symbols(2.2), Mendeleev, Dobereiner, arrangement of elements, the temporary naming scheme, periodic law, metals, non-metals and metalloids(6.1) and the family names (6.2 start). Assigned work: p 52 #20 to 27 and p 160 1 to 7. We will be lighting bunsen burners today or tomorrow //There will be a quiz on lab safety/metric conversion on monday// //The following info will be mentioned today......// Today I will give you information on an assignment involving the scientists who worked with the atom. p 128-129, 144 contain the names and contributions of the scientists. The scientist's name as well as their contribution have to be included in a creative type of design like a booklet or some time of brochure etc. . It should be able to be used to help one study these scientists. This study device or aid is due next Tuesday. __Chem 111__-. REMINDER: COURSE INFO FORM MUST BE SUBMITTED BEFORE YOU CAN DO LABS. You will also be signing a contract. I will outline lab set one for you. Please note that the homework will be linked below for the days that you are in the lab(you received this list already).

We will be lighting a bunsen burner today. You will also sign your contract for labs and finish the lab safety exercise from the previous day.

The other thing we will do is have a metric /lab safety quiz which will happen after labs. Periodic Table Youtubes [] [] []

Lab Set One Lab 1/5 Metric lab-This lab involves working with measurement af area, finding the density of a shape and some challenging conversions Lab 2/6 Elements versus Compounds-This experiment involves using heat to break down compounds. You will find that it has a flaw in terms of trying to break down all compounds. You will become an expert at using the centigram balance. Lab 3/7 Candle Lab-This lab involves making observations and trying different techniques for dealing with candle wax combustion. Lab 4/8 Separation of Matter-This experiment involves using the various methods for separating matter to separate the components in an unknown mixture. Acuracy will be very important in this experiment.

Thursday Feb 6 Chem 122- Period three-finish #8 on Hess's Law and tomorrow...p 517 16 to 19 Starting with p 521- 524 Do #23 to 25 and p 526 #27 to 31 will be assigned tomorrow.

Period 5--> Today we will be finding enthalpy change of reaction using the table of formation reactions. Please do question 9 from the handout. You were given two additional Hess's Law questions. p 536 #66, # 74 I gave you time to work on finishing group work this class.

Good practise when you are reviewing for a test: with Hess's Law p 537 #81 and #84 on p 537 Answers to hwk: #8a)- 851.5 kJ 8b) +131.3 kJ 8c) -524.8kJ 8d) -205.7kJ Review of naming acids bases and ionic sheet Heating and cooling curve intro youtube: []

The group work will be started

tomorrow: You will start some more group work, this time it is on molar enthalpy and Hess's Law. 57...... #1 a b #2 #4a................................................ #1a c #3# 4b (H for chromium(III)oxide = -1139.7 kJ/mol) ...........(H for silver iodide decomp is 61.8 kJ/mol) 58........#1, #4...........................................................#2, #3 Chem 112 We went over msds and I explained the scientist assignment Today I will give you information on an assignment involving the scientists who worked with the atom. p 128-129, 144 contain the names and contributions of the scientists. The scientist's name as well as their contribution have to be included in a creative type of design like a booklet or some time of brochure etc. . It should be able to be used to help one study these scientists. This study device or aid is due next monday p 55 28-34 was worked on in class...please complete this LAB SAFETY VIDEO [] Ten safety rules-due tomorrow(for an extra bonus mark

Chem 111-Lab Set 1 Day 1 NO CONTACT LENSES/OPEN TOED FOOTWARE or nylons. You will start lab set 1. Each day you will do a different experiment for the next four days. **Please have your course information sheet(signed) with you**. I will also remind you that the list of homework to be done during lab set one is posted online for your class under the link below.

I assigned p 55 28 to 34 and p 42 #1 to 8.

Here is a document showing the answer to #1 from the worksheet.

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‍Feb 7-Friday Day 8
Chem 122- Ethanol assignment is due on monday Period 3 Today we will be finding enthalpy change of reaction using the table of formation reactions. Please do question 9 from the handout. You were given two additional Hess's Law questions. p 536 #66, # 74 I gave you time to work on finishing our group work. Period 3 and 5 Good practise when you are reviewing for a test: with Hess's Law p 537 #81 and #84 on p 537 Answers to hwk: #8a)- 851.5 kJ 8b) +131.3 kJ 8c) -524.8kJ 8d) -205.7kJ Today we work on group work on Hess's Law and using the table of formation values to find delta H

The group work will be started : You will start some more group work, this time it is on molar enthalpy and Hess's Law. 57...... #1 a b #2 #4a................................................ #1a c #3# 4b (H for chromium(III)oxide = -1139.7 kJ/mol) ...........(H for silver iodide decomp is 61.8 kJ/mol) 58........#1, #4...........................................................#2, #3

__Chem 112__ -Safety Video [] Today you had a metric and lab safety quiz We practised lighting a bunsen burner. Scientist assignment is due on monday ...this is detailed under yesterday's work. . Assigned work: p 52 #20 to 27 and p 160 1 to 7.(already assigned on wednesday of this week) . You will spend half of the class lighting a bunsen burner.

. Chem 111-Lab Day 2.

Not done While half of the class is lighting the bunsen burner that other half will work on p 111-113 #15 to 20and p 119 25 to 33

Feb 10-Monday Day 9................................................. Scientist assignment is due today Chem 122-Assignment Due today-ethanol curve and calculation from last week. There will be a Hess's Law quiz on tuesday Today you will get an introduction to a simple calorimeter and solution enthalpy(tomorrow for solution enthalpy). Please do #4 from the worksheet for this unit. We will complete the group work today.

I will remind you of the molecules that you need to study(tomorrow) Hess's Law. 57...... #1 a b #2 #4a................................................ #1a c #3# 4b (H for chromium(III)oxide = -1139.7 kJ/mol) ...........(H for silver iodide decomp is 61.8 kJ/mol) 58........#1, #4...........................................................#2, #3 Here are some documents to help you prepare for the test(below Test Review Outline from The end of the Chapter Test Reviews MG
 * Details
 * [[file:Group Work on heat flow and energy from phase change or enthalpy.doc|Download]]
 * 84 KB
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 * [[file:58 Enthalpy pairwork Ch17.PDF|Download]]
 * 68 KB

Chem 112- We will go on to the Quantum mechanical model of the atom and go over electron configuration. We looked at indicating the energy level, orbital and number of electrons in a particular orbital. I also introduced the diagonal rule to students. This section can be found in the textbook from page 164-166. Write the electron configuration for the following atoms As, Au and U. Homework: p 113-115 #15-20 p 119 #25-33 You will also see that the link below has a topic review sheet for test 1 which is scheduled for tuesday Feb 19. Test Reviews Chem 111-Lab Day 3 today. Do not forget the assigned work that was given out last week. This includes the scientist assignment which is due for wednesday.
 * Details
 * [[file:electron configurationwith answers.doc|Download]]
 * 502 KB

Monday Feb 2-Day 3 Chem 122 Homework for monday: Do handout ques #1 and start naming assignment Today we will review enthalpy change and check over the answers for #23,24 from p 524 and work with total energy and heating and cooling curves. We practised drawing various curves. You will start your group work. I also reviewed naming...you received an assignment that is due next thursday. Heating and cooling curve intro youtube: [] You will do some pair work today from the booklets on q and delta H calculations [] Enthalpy/Enthalpy change Chem 111-P1-absent Friday---here is the prelab document


 * [|Details]
 * [[file:sanfordchemistry/Prelab Assignment Chem 11 Intro methods.doc|Download]]
 * 38 KB

Assigned Homework: metric sheet 1-14 for tuesday/ start working on pre-lab/water soluble markers needed for tuesday's mini lab The first half of the class, you will be learning about the ways of separating matter(we will finish this on monday)and the other half of the class will be spent in the lab doing an activity that involves answering a questionaire on safety features of the lab.You will also receive a pre-lab sheet that needs to be done by next thursday. Please bring in water soluble markers for tuesday's class as we will be doing a mni-lab on chromatography. __Chem 112__-P3,4 Assigned Homework: Finish 1-10 metric sheet/ p 47 11 to 17 Today we will go over sections 1.1, 2.1 and 2.4. after we complete the notes on separating matter. We will check the answers to: p 42 1 to 8 [82oC to -124oC(period5)]