Chemistry 12:  Final Exam tomorrow, just like your Take-home Finals.  Click here to see a key to Take-Home Final #1, and click here to see the key to Take Home Final #2.  You will be given a fresh data booklet.  Thank for all your hard work!

Chemistry 12:  In the first half we learned to balance half cell reaction equations using the memory aid "Major OH-".  Unit 5 # 24 (any 5 acidic and 4 basic) are due tomorrow.  We also took notes on Electrochemical cells, read 5.8, and did U5 # 34 & 35.  Lab 21D is not yet due. 

April 13, 2021

Chemistry 12:  We started with a short review of Redox reactions, and we used the table of standard reduction potentials to determine which spontaneous reactoin occurred in Part I of Lab 21D.   A mini review followed, as well as time for reading 5.3 and completing Unit 5 # 7-14.  We finished Lab 21D after this (Questions # 1-4 (skip 2c and 3c) and Follow up Questions 1-5). We finished off with a little review.

 Chemistry 12:  After doing the Buffers Mini Review we spent time constructing the graph for Lab 20H Part I.  This was followed with an "All Topics" mini review, and notes on Oxides.  We watched this video on Coal Powered Electricity to learn about how polluting oxides are removed from the smoke made by burning coal.   The Acids and Bases unit review was given out, and will be due on Friday.

Career Life Connections.  Please sign up for a presentation on the posted schedule at the top of the stairs (by the library).  See me if you have any questions about your Capstone Presentation.  Mr. Gale will create a meeting for you on Teams and you will be notified by email (365 Outlook).   Completing a  rehearsal a few days before your meeting is encouraged as well, see Mr. Gale to plan a time to do this.

 Chem 12:  Unit 4 # 131-134, 136, 139, 81, 70h due on Wednesday.  Acids and Bases Test on Monday.  Calculations for Lab 20H Part I due Wednesday, the graph is due Thursday.

Chemistry 12:  After a short review we did Unit 4 # 84-88.  We took notes on Indicators, read section 4.17, and did Unit 4 # 108 - 118.  All of the textbook work is due on the Tuesday we return from Spring Break.  We finished off with a quiz on Ka calculations and Hydrolysis problems.

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

 Chemistry 12:  We took notes on Hydrolysis to start, then we read section 4.13.  Unit 4 # 69 was assigned, and is due Thursday.  Time was given for Lab 20G, and we wrote a quiz on section 4.11, finding pH and pOH. 

Chemistry 12:  After a mini-review, we took notes on Calculating pH and pOH.  We read Section 4.11 and Problems 47-57 were assigned and are due tomorrow.  The Lab 20G Calculations and Follow-up Questions are due tomorrow too, but not the conclusion.  Please expect a quiz tomorrow on pH and pOH.

Career Life Connections 12 - Sign up for a Capstone Presentation on the noticeboard at the top of the stairs by the Elevator/Library.  Try to get it done by the end of Q3, see Mr. Gale if you have any questions.