Chemistry 11:  Unit 10 # 2,3,5.  Today we finished the procedure for the green Solubility Lab.

Chemistry 12:  U5 #24  (any 6 acidic reactions, any 4 basic reactions)

Science 9 (Year-long):  finish pg 436 #2,4,5,7,8,10, 11, 14-17 and the Force of Gravity Lab (the graph and slope calculation should be done.  Have your permission form signed for tomorrow (Field trip next on June 9th).  

Science 9 (P56):  pg 380 # 2-10, 12-15. 



Monday, May 30, 2016

Chemistry 11:  The blue WS titled  "Precipitation Reactions" is due Tuesday.  Today I checked the Organic WS #1.  Lab 16A needs to be in by Tomorrow.

Chemistry 12:  Unit 5 # 19 due Tuesday.  Make sure that you have gained the required Electrochem skills - is U5 # 1-5, 7-14 done?


Science 9 (P56):  No Homework due Tuesday.  Today we learned about the Astronomical cause of the seasons, Retrograde motion, and we nearly completed the Solar System Model (Lab 13B).

Chemistry 11:  The blue WS titled  "Precipitation Reactions" is due Tuesday.  Today I checked the Organic WS #1.  Lab 16A needs to be in by Tomorrow.

Chemistry 12:  Unit 5 # 19 due Tuesday.  Make sure that you have gained the required Electrochem skills - is U5 # 1-5, 7-14 done?

Science 9 (P56):  No Homework due Tuesday.  Today we learned about the Astronomical cause of the seasons, Retrograde motion, and we nearly completed the Solar System Model (Lab 13B).

Science 9 (year-long):  pg 436 # 2,4,5,7,8,10, 11, 14-17 and the "Try This" activity on pg 444.

Science 9 (P56):  Today we wrote the Electricity Test.  No work is due for Monday.

Chemistry 12:  Unit 5 # 7-14, 1-5

Chemistry 11:  WS:  Organic Chemistry #1.  Lab 16A due Monday.

Chemistry 12:  Today we did the Acid-Base Unit test - well done!  We made a little start on Electrochemistry - due Friday is U5 # 1-5

Chemistry 11:  Today we did lab 16A, on Polar and Non-polar solutes and solvents.

Science 9 (P56):  Electricity Test on Friday.  Your practice test is due then too.

Science 9 (YL):  pg 436 # 2,4,5,7,8,10, 11, 14-17 in fine sentences.   Today I collected the Galaxy WS.

Chemistry 11:  Read Section 9.3 and do # 9-16.  Today we wrote a quiz on the Concentration of Ions.

Chemistry 12:  Acid Base Test on Thursday.  Your Practice test will be collected that day.  Don't forget that you get a fresh data booklet during unit tests, so do a little review if you rely on those equations and tidbits of info you've written on your data booklet.

Science 9 (P56):  pg 354 # 2-6, 8-12.  Electricity Test on Friday.

Chemistry 12:  Practice Test due Tuesday.  Acid Base test on the Double block next week.

Chemistry 11:  WS:  Concentration of Ions.  We added a few notes to the Lab 12B molecule sketches today, and learned how to id symmetrical and asymmetrical molecules.

Science 9 (P56):  Read 11.3 and make brief notes on ways to make electricity.  Consider the pros, cons and environmental effects of each type.  Be ready to declare your favourite type.  Electricity Test  next Friday.

Science 9 (year-long):  Galaxy WS due next class.

Science 9 (P56):  pg 325 # 2-7.  Producing electricity from magnets Lab (Questions 1-4 & crossword).  Today we wrote a paragraph or 2 about how a coal-fired electricity plant works.

Chemistry 11:  Lab 12B (procedure 1,2,4 only, no Questions or Conclusion).  Number 1 on the Concentration of Ions WS.  Today we did the TRU Chem 11 Contest Exam.  I will mail your responses to TRU this afternoon.  Good work!

Chemistry 12:  Minireview of Buffers WS.  Lab 20H, part I (calculations + graph), due Friday.  (Don't do every volume stated in Part I step 1, do only 0.00, 5.00. 10.00, 20.00, 22.00, 24.5, 24.99, 25.00. 25.05. 26.00, 30.00, 40.00)  Read 4.21.  We started the Acid Base Practice Test today too, but it is not due.

Chemistry 12:  U4 # 131-134, 136, 139 and 70 d-f.  Test next week.

Science 9 (56):  pg 325 # 2-7 was started today, but is not due for Thursday.  We will give you more time next class.  Today I collected pg 344 # 1-7, 11.

Chemistry 11:  Atomic Theory Unit Test or the TRU Chem11  Contest tomorrow.  We did U9 # 6,8.  The practice test is due Wednesday.

Science 9 (year-long):  Today I collected pg 429; see the last blog post for problem numbers.  If you were away for Dance bring it to me asap.  Read 13.4.  We started writing brief notes on the Death of Stars, but this is not due.  We also finished the lab on Magnetism.

Chemistry 12:  U4 # 84-88, 65, 70(a-c).  Your Acid Base unit Test will be on the double block class after the May Long Weekend.

84.  0.024 M SO₃^2-

85.  0.0019 M OH^-, pH 11.28, pOH 2.72,     5.3 x 10^-12 M H⁺

86.  0.059 M N₂H₄

87.  K_b = 1.04 x 10^-3

88. pH 11.50

66.  0.929 g LiOH

80.  K_a = 2.06 x 10^-10

Science 9(P56):  pg 344 # 1-7, 11.  Be sure to write the equation, fill in the values, and write a response with the correct units whenever you are solving numerical problems.

Chemistry 11:  Atomic Theory Practice Test due Wednesday.  Lab 6D due Tuesday.  Wanna write the TRU Chem 11 contest instead of doing your Atomic Theory Unit Test?

Chemistry 11:  Lab 4D due on Tuesday.  U8 # 58-64 due Monday.  Test on Atomic Theory on Wednesday.

Science 9 Yearlong:  Due Tuesday is pg 429 # 1,4,5,7,11,14,15,18,19 in fine sentences.  We started a lab on Magnetic fields.

Science 9 (P56):  WS on Ohm's Law.  Calculate your power walking, then rushing, up stairs.

Chemistry 12:  Read 4.17 then do U4 # 108 - 118.  Today I collected the long WS titled review of 4.1 to 4.12.

Science 9 (P56):  pg 314 # 1,3,6-10.   Today we learned how to determine the resistance of resistors using their colour codes.  Ohms Law next day, so please remember your calculator.

Science 9 (YL):  Today we reviewed Scientific Notation and we watched the remainder of the Star documentary.  I need pg 424 from many of you still.

Chemistry 12:  U4 # 74-79 and the legal sized WS (Review of 4.1 to 4.12) are due Friday.  Today I collected Lab 20G.

K_a Calculations Answer Key

74.  [H⁺] = 6.7 x 10^-5

75.  pH 6.16

76.  [HCOOH] = .78 M

77.  Ka = 9.38 x 10^-3

78.  [H2CO3]  = 0.010 M

79.  pH 4.89

80.  Ka = 2.06 x 10^-10

Chemistry 11:  Homemade WS on Lewis Dot Structures.  We started Lab 6D today - please do Questions # 1-5.

Chemistry 11:  Today we did Lab 11A, part II (draw the two graphs described).  No usual lab report is needed for Lab 11A.  We also wrote notes on the trends in atomic radius.   I did not get to check U8 # 31-39, so have it ready to show me on Wednesday.

Chemistry 12:  Today we wrote notes on Hydrolysis.  U4 # 69, 71, 65, in that order.  Lab 20G (no FUQ, no conclusion) due Wednesday.  Legal sized WS titled Review 4.1 to 4.12 due Friday.

69)  a) BASIC, b) BASIC c) NEUTRAL, d) BASIC e) NEUTRAL, f) ACIDIC, g)BASIC, h) NEUTRAL, i, j
71)  NaNO2 - nitrite is a weak base, and Na is a spectator.  Fe(OH)3 has hydroxide, but it has a VERY low solubility, so few OH- ions

Science 9 (P56): No Homework tonight.  Today I collected pg 424 from last day.

Chemistry 11:  Unit 8 # 31-39.  I collected lab 20C today, and checked U8 # 26-29.

Science 9 (Yearlong):  Today we did 30 minutes of research on the Sun, followed by a concept map that is due on Wednesday.  I collected pg 424 from last day, and several of you still need to give that to me.

Chemistry 12:  Lab 20G due Wednesday.  Today I handed out a review of 4.1 to 4.12.  This will be due Friday.  Put some time in so that these are partly done for Tuesday.

Science 9 (P56):  pg 309 # 1-5, 7-12 in fine sentences.  Today I collected pg 305.

Science 9:  pg 305 # 4-7, 11, 12

Chemistry 12:  U4 # 94, 95, 97, 100, 102, 103  Answers:
94) [NaOH] = .0765 M;  
95) [H2SO4] = .0358 M;
97)  38.0 mL of NaOH;
100) 96.02%;  
102) 91.9 %;
103)  molar mass = 285.3 g/mol

Chemistry 11:  U8 # 26-29 (do 7 problems each, for a total of 28).  Lab 20C due Monday.



 

Chemistry 11:  Many of you need to show me U8 # 13-19, 22.  The large sized WS showing electron configurations is due Friday.  Lab 20C is due Monday, with a conclusion.

Chemistry 12:  long WS:  Review of 4.1 to 4.12 due Monday.  Lab 20G calculations for Part I, II and III should be done for Monday too.

Science 9 (Year Long):  pg 424 # 3-8, 10, 12, 13, 16, 17 due Monday.

Science 9 (P56):  Today we wrote some notes on Current Electricity.  We built a simple circuit to see if the brightness of a light bulb is affected by the number of batteries that power it.  We started the Introduction to Electronics booklet today.  We also did learned how to use a multimeter to measure the current flowing through a simple circuit.  No work is due on Friday.

Science 9 (P56):  Today we went to see Brandon and Gavin at the Coming Out presentation.  I didn't get a chance to see your brief notes on section 9.5, Applications of Static Electricity.

Chemistry 12:  Today I collected U4 # 58-64.  Bring them to me if I didn't get them today.

Science 9 Year Long:  WS:  Triangulation.  Today we reviewed Scientific Notation, any how it makes very large numbers easier to write and to say.

Chemistry 11:  U8 # 13-19, 22 due on Thursday.  Lab 20C due Friday with a conclusion.

Chemistry 11:  Today we did lab 20C part II.  If you were absent on Thursday, be sure to copy part I data from your partner.  The concentration of the NaOH used for lab 20C is 0.1076M.  Everyone should have Questions 1-3 done for Tuesday.

Chemistry 12:  Unit 4 # 58-64.  Today we wrote a quiz on U4 # 47-47.

Science 9 (P56):  Read 9.5 and make brief notes on each of Lightning, Laser Printer, Fabric Softeners, and Electrostatic precipitators.  For each of these 4 applications, make a simple sketch showing the charges and explain briefly how they work.