Feb+1-9

//__**Work up to Feb 16 many delays because of weather**__//

//__**Feb 1-Day1 thurs**__// __Chem 122__- Today we worked on specific heat, q and exo and endothermic Do p 510 # 5 to 11.

__ Chem 111 P2 __-Metric Conversion p 84 32 all, p 87 44all and See examples on p 84 and 85 for additional help

//__**Feb 2-Day 2 fri**__// Chem 122-p1 The answers were given to last night's homework. We went over the calculations for 11 from yesterday. I went over the enthalpy formula and phase changes and passed out table 17.1,17.2,17.3 on a page for easy reference .please do 21,22,23,24 on p 521 and p524 HOW MUCH HEAT MUST BE REMOVEDTO FREEZE A TRAY OF ICE CUBES IF THE WATER HAS A MASS OF 50.0 g?

This video reviews specific heat [] Chem111 P 2 -(bring water soluble markers for monday Assigned work p87 ques 2(top) all for Monday and p11 1 to 4, 7 and p 22 -draw diagram into your notes Chem 122-p5 snowday afternoon


 * //__Feb 5-Day 3 mon-rain/ice day__//**

Chem 122 P1 1- review of delta H and q comparison of units and terms 2- new data table(purple) plz change delta to just H in table 17-3 3-thermochem eqations intro. plz do do p 510 3,4 p 517 16,17,18 p 516 14 4-start pair assign from blue booklet.
 * //__Feb 6-Day 3 tues__//**

P5 1-The answers were given to last Thursday's homework. 2-I went over the enthalpy formula and phase changes and passed out table 17.1,17.2,17.3 on a page for easy reference .please do 21,22,23,24 on p 521 and p 524 3- p 510 3,4 This video reviews specific heat []

1-we went over separating matter. 2-we did our mini-lab on chromatography 3- hwk: handout on metric conversion plz try all of it 4- 10 safety rules( see R20 at the back of the text).Please write 10 most important safety rules to you. Give your reasons ( assignment)....reminder prelab ...plz do by Friday 5- Quiz on Wednesday metric/lab safety 6-ques from text p 42 1-8
 * Chem 111**

__//**Feb 6-Day 4 wed**//__ Chem 122 p1 1-Today we will work with total energy and heating and cooling curves.

Heating and cooling curve intro youtube: [] 2-Today I had you do a full cooling curve calculation We will complete some pair work tomorrow from the booklets on q and delta H calculculations. . [] Enthalpy/Enthalpy change Heating and Cooling curves __ [] __ 3-Homework : Do handout ques #1 from problem sheet and practice sheet on drawing heating/cooling curves PLEASE.........ask for naming assignment p5 1-Today we will work with calculations for total energy and heating and cooling curves. Heating and cooling curve intro youtube: [] 2-Today I had you do a full cooling curve calculation HWK: Do ques 1 from the practice sheet and the practice sheet on heating/cooling curves . Heating and cooling curve intro youtube: [] 3- You received naming assignment yesterday... Reminder that your naming review assignment is due on Monday Feb 12. I encourage you to pass this in a day earlier(feb 9) and receive a 10% bonus.

1- We did the safety exercise in the lab 2-We went over the metric solutions for 1 to 14. The side board has the answers for 2 a to f from p 87 3- Hwk p 47 11 to 17 4-quiz tomorrow metric/lab safety be sure to go over R-80-81 at the back OF THE TEXT TO REVIEW SPECIFICS REGARDING GLASS CUTS AND CHEMICAL exposure to skin.
 * Chem111 -**

__//**Feb 7-Day 5 thurs-snow**//__

__//**Feb 8-Day 5 -friday**//__ Chem 122- 1- We checked over the cooling curve problem from yesterday and the little practice sheet. 2-I reviewed thermochemical equations by using 14 as an ex and assigned 15 from p 516 as well as 19 from p517 3-Please do 2 and 3 from the practice problem sheet for hwk 4- You completed you pair work from earlier in the week. 5- You received the naming review....it is due on Wed feb 14period 1) I encourage you to pass it in on Tuesday (feb 13 -one day earlier) receive +10% bonus
 * Period 1**

Period 5 1-We will go over thermochemical eqns 2--We will start some pair work from the booklets on q and delta H calculculations. . [] Enthalpy/Enthalpy change Heating and Cooling curves __ [] __ 3-Homework :p 517 16,17,18 p 516 14 Reminder that your naming review assignment is due on Monday Feb 12. I encourage you to pass this in a day earlier(feb 9) and receive a 10% bonus.
 * Chem 122-Period 5**

Chem 111- 1-finish lab safety in the lab prelab questions...do you have any? 2-Quiz on lab safety/metric 3-p 55 28 to 34 4-answers

LAB SAFETY VIDEO [] __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

Feb 12-snow day

Feb 13-day 6 -Tuesday Chem 122-Period 1 Hess's Law today Please do the question 8 all from the handout 11a and 6a assignment due friday

Chem 122-Period 5 Chem 122-Hess's Law today Please do the question 8 all from the handout . hwk: p 516 15, 19 and 3 from the problem sheet You have a heating/cooling curve assign due on Tuesday of next week .Chem 111-Lab day 1

Feb 14- Wednesday Chem 122 p 1--> naming assign due today 1-Finding delta H using a table of values 2- Do ques 9 from problem sheet 3- Do p 536-537 66, 74, 81

Chem 122 Period 5 1- You received assignment that will be due next tuesday 2- Please do 3 from problem sheet 3-Please do 6a from problem sheet 4- -Finding delta H using a table of values

5- Do ques 9 from problem sheet

Chem 111-Lab Day 2

Thursday Feb 15 Chem 122 1- Simple calorimeter calculations assigned ques 4 from problem sheet 2- Group work happy and happier with Hess's Law and delta H using the table of molar enthalpies. 3- period 1 > assignment due friday period 5---> assignment due on Tuesday 4-period 5 please do p 536 - 537 66,74 and 81

Chem 111 Lab Day 3 Reminder of assigned questions

Chem 111- Suggested Schedule of homework during labs

Feb: 20 || P 160 Do 1 to 7 P 47 #11-17 P 42 1 to 8 || P 103 1to 7 P 108 8 to 14
 * Day 1 || Day 2 || Day 3 ||  || Day 4 || Day 5 ||
 * Make up a colourful creative study device that includes the scientists and their claim to fame. Find the scientists on p 128-129(8 of them) and p 144-145(3 of them). It should be compact, creative, neat and show effort. To be passed in on

P 11 1to 4,7 P 25 #18 Put diagram from p 22 into notebook ||  || P 112-113 17 to 20

Please copy down example problem into your notebook first, then do P 116 -117 21 to 24

p 119 25 to 33 || P 52 23 to 27 P 55 28 to 34

There will be a Mega homework check on all of the work from this page on the day after we complete labs. ||

Friday Feb 16 Chem 122 1- Bomb calorimeter calculations. 2-Please do ques 5 3- Finish group work happy/happier

Chem 111 Lab Day 4 Please look above to see outline that I talked about in class.

Friday Feb 5-Day 3 Chem 122 Today we will review enthalpy change and check over the answers for #23,24 from p 524 and 9, 10 from Wednesday. You copied down the notes on thermochemical equations You worked with pair work on delta H and q. Assigned hwk p 510 3,4 and p 521 21,22 p 3 naming review is due on Tuesday.

Chem 111-P2- Chromatography mini lab today-with partner Here is the prelab document for next week

Assigned Homework: metric sheet 1-14 for monday The first half of the class, you will be learning about the ways of separating matter(we will finish this on Monday do not forget p 42 1 to 8 for monday

MondayFeb 8-Day 4

//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 Tuesday(p3). I encourage you to pass this in on monday and receive a 10% bonus. 1-Today we will work with total energy and heating and cooling curves. We practised drawing various curves. Heating and cooling curve intro youtube: [] 2- Today I had you do a full cooling curve calculation with a partner. We will complete some pair work tomorrow from the booklets on q and delta H calculculations. . [] Enthalpy/Enthalpy change Heating and Cooling curves __ [] __ 3-Homework for monday: Do handout ques #1 and work on naming assignment

Chem111 - 1- We did the safety exercise 2-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 Monday(toda)y 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. 3- Hwk p 47 11 to 17 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

Tuesday Feb 9-DAY 5-snow day

Wednesday Feb 10-Day 5 Chem 122- EK Answer to 1 from homework 1- We checked over the cooling curve from yesterday 2-I reviewed thermochemical equations and assigned 14, 15 from p 516 3-Please do 2 and 3 from the practice problem sheet for hwk 4- You completed you pair work from Friday. Period 5- naming assignment is due on monday(friday for bonus)

Chem 111- 1-Today I did a hwk check and outlined the hwk to be done during labs 2- I will outline the Scientist assignment. Please make sure you include a diagram for all 11 scientists. 3-You will receive 6.1 to do and pass in. 4- Tomorrow you will practise lighting a bunsen burner. . __Lab Information__: Chem 11 labs will start Monday(hopefully sooner...I am waiting on forms to be returned). No open toes shoes, or contact lenses. Also please make sure that your course information form is signed at the bottom.
 * [|Details]
 * [[file:sanfordchemistry/Prelab Assignment Chem 11 Intro methods.doc|Download]]
 * 38 KB

Please note that on 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 LAB SAFETY VIDEO []

Thursday Feb 11-Day 6 (8-snow) EK 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. hwk: p 517 17 to 19 You have a heating/cooling curve assign due on Tuesday of next week 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.

Answer to 1 from homework

Chem 111 1-We will do the activity from yesterday on 6.1 and it will be passed in. 2-I went over the marking key for labs 3-I will outline some info on lighting a Bunsen burner and using a balance. 4- The notes on chromatography are not quite complete so we will complete those. Periodic Table Youtubes [] [] []

Lab Set One Lab 1/5 Metric lab-This lab involves working with measurement of 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. Accuracy will be very important in this experiment

Friday February 12
 * .................................................** Scientist assignment is due next wednesday chem 111

Chem 122-ethanol curve and calculation due on Tuesday Feb 16. see below EK or anyone absent 1-Today we will be finding enthalpy change of reaction using the table of formation reactions. Please do question 9 from the handout. 2-You were given two additional Hess's Law questions. p 536 #66, # 74

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 3-Today we work on group work on Hess's Law and using the table of formation values to find delta H 4-There will be a Hess's Law quiz on 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 Chemistry 111

1-- We went over the Quantum Mechanical Model of the atom 2-prelab-finish and have ready for Monday to go into the lab.

__Lab Information__: Chem 11 labs will start Monday(hopefully sooner...I am waiting on forms to be returned). 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 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 LAB SAFETY VIDEO []

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 long worksheet. New work for today is enthalpy and thermochemical equations section 17.2. Do p 516 #14, 15 and p 521 #21 and #22 top 10 energies for the future.

https://m.youtube.com/watch?v=uStFvcz9Or4 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

For next tuesday, please make a list of the ten most important safety rules in a laboratory situation. . Need help with metric conversion? check out the following site [|http://www.chemteam.info][|__/__] __ [] __ Here are some answers to let you know you have got things figured out #32 a) 44m b) 0.0046g c) 10.7 cg Hint: the one always goes in front of the larger prefix

ET.................................................Assigned Questions Chem 111/112 Unit 1 PLEASE NOTE: The following list contains the questions that will be assigned from this unit OVER THE NEXT WEEK AND A HALF. //__Metric__// p 84 32abc, 33abcd, p 85 42ab, 44abc //__ Chemical change /Properties Matter States __// p 55 28 to 34 and p 42 #1 to 8. //__ Intro to chem./ Metric __// #1to 4 and #7 on p 11 and p 87(very top) 2a to f //__ Elements-organizing __// p 160 #1to 7 //__ 10 most important safety rules from R80-81 __// p 128-129, p 144 find the the names and contributions of the scientists //__ Elements and compounds/Separating Matter __// p 52 # 20 to 27 and p47 #11 to 17 //__ Atom and some scientists/subatomic particles __// p 103 1 to 7, p 108 # 8 to 14 //__ I __////__ sotopes/mass number etc/ subatomic particles __// p119 25 to 32, p 111 15, 16(top of page), p 112-113 #17 to 20 REMINDER: COURSE INFO FORM MUST BE SUBMITTED BEFORE YOU CAN DO LABS.


 * Feb 10 Day 6** __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.
 * [[image:http://c1.wikicdn.com/i/mime/32/application/msword.png caption="Answer to #1 from worksheet for ch 17.doc" link="file:sanfordchemistry/Answer to #1 from worksheet for ch 17.doc"]] ||
 * Answer to #1 from worksheet for ch 17.doc ||
 * [|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
 * [|Details]
 * [[file:sanfordchemistry/Chem111 Homework during labset 1.doc|Download]]
 * 31 KB

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 [] [] []
 * Feb 11Day 7** 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

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. Accuracy will be very important in this experiment