Week 10 – 11/1 – 11/5
Jump to: Tuesday, Wednesday, Thursday, Friday
11/1 – Monday – B Day – 2, 3b/4 Lab
a) To perform the analysis of carbonates (lab 9) .
b) To continue with part 1 one of Test 2.
Period 2:
1. Continue with part 1 of test 2.
Period 3/4:
1. Lab 9 – Analysis of Carbonates Complete all calculations and hand in (No conclusion).
2. Lab 8 & Lab 9 salt visual comparisons. Can we determine differences in the macro based on the micro.
3. Continue with Test 2. You will be able to continue at home with part 2 of the test.
Friday’s Stoichiometry:
Pumpkin Stoichiometry:
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3b/4 Lab – Lab 9 – Analysis of Sodium Carbonate and Sodium Hydrogen Carbonate
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Lab 9 review:
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11/1 – Monday Homework: –
1. Please complete all Labs ( labs 4 – 9). They are all due tomorrow.Lab 6 and Lab 9 do not have conclusions.
2: Please work on Test question #1 (of part 2) which will be due in class. This page is the 1st question of part 2.
Test 2 – Part 2 – Question 1 – .pdf
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11/2 – Tuesday – A Day – 2/3a Lab, 4
a) To Complete Part 1 of Test 2
b) To begin Part 2 of Test 3
Period 2/3:
1. Collect part 2 – question 1
2. Complete Part 1 of Test 2
3. Gave back both precipitation quizzes. (The best out of the 2 went into Power School) Reviewed 2nd quiz (2nd one after the Golden Arches Quiz)
Stoichiometry 4c – Precipitation – limiting reagent key p .pdf
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Golden Arches Quiz:
Stoichiometry 4a – Precipitation – limiting reagent Key p .pdf
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4. Begin Part 2 of Test 2
Period 4:
1. Collect part 2 – question 1
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11/2 – Tuesday Homework: –
1. Please work on Test question #3 – #7 (of part 2) which will be due in class.
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11/3 – Wednesday – B Day – 2, 3b/4 Lab
a) To complete the Part 2 of the test
b) To Review Concepts of Keq value and law of mass action
Period 2: – After today you will have one more class period for the test (you may come in the rest of the week on your time to complete.)
1. Continue with test 2, question 3 begins.
Period 3/4: – Last day to work on the test in class.
1. Continue with test 2, question 3 begins.
2. Quick review of the precipitation quizzes.
Stoichiometry 4c – Precipitation – limiting reagent key p .pdf
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Golden Arches Quiz:
Stoichiometry 4a – Precipitation – limiting reagent Key p .pdf
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11/3 – Wednesday Homework: –
Stoichiometry 4d – Equilibrium and Stoichiometry worksheet (3 pages) completed correctly is worth 5 EXTRA Credit Points for Test 2. It needs to be in your test (folder of fun) by Friday afternoon. Question 8 has aspects to it that this worksheet reviews/or teaches with the corresponding video below.
1. Please view the lecture below on the Reaction Completion and Equilibrium basics.
2. Follow along with me with the lecture to complete the worksheet below and/or review with the key:
Stoichiometry 4d – Equilibrium and Stoichiometry .pdf
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Stoichiometry 4d – Equilibrium and Stoichiometry key .pdf
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3. Please work on Test question #8 – #9 (of part 2) which will be due in class.
Test 2 – Part 2 – Complete .pdf
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1 :Reaction completion AND Equilibrium basics
End of Wednesday..
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11/4 – Thursday – A Day – 2/3a Lab, 4
a) To begin our discussion of acid/base chemistry –
b) To identify strong acids, weak acids, strong bases, and weak bases and relate these strengths with Coulombs Law
Period 2/3:
1. Complete the last period of in class testing of Test 2. Place everything in your folders of fun.
2. Acid/Basics intro lesson – We will continue our tour of Stoichiometry through acid/base chemistry
Period 4:
1. Acid/Basics intro lesson – We will continue our tour of Stoichiometry through acid/base chemistry
Acid/Basics intro lesson notes:
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NaCl (s)![]() |
Ionic solids – NOT Electrolytes! (positive and negative ions locked in a crystal) They are never electrolytes because the do not conduct electricity in solution or as a liquid. The ions ARE NOT FREE and thus cannot move. It is the movement of ions that will enable them to conduct a charge. All ionic compounds are a solid at STP due to STRONG COULOMBIC Attractions between the positive and negative ions. Each ion is actually surrounded by 6 other oppositely charged ions that keep the ions in a very stable (low energy) structure. |
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Ionic liquids – Electrolytes These liquids require very high temperatures to occur as the ions would want to attract to each to form a crystal at lower temperature BUT at these high temperatures these liquids (of negative and positive ions) can conduct because the ions are free to move! |
NaCl (s) —–> Na+(aq) + Cl– (aq)![]() |
Ionic solutions – Electrolytes These solutions ARE electrolytes! The ions although surrounded by water, are free to move and thus charge can be conducted through. the solution. IF the ionic solid is insoluble then it will not make a solution and the ions will still be locked in a crystal which will result in no charge being conduced |
Sucrose (s)![]() |
Molecular compounds – NOT Electrolytes! These are made from nonmetals (small atoms) with a high attraction for electrons. These compounds make bonds by fighting for electrons between atoms since they all have high attraction for electrons. Each bond — is a pair of electrons between these atoms. Because of the “tug of war” for electrons between these compounds, these electrons are not free to move and conduct a charge. In fact because the electrons are held so tightly these compounds are so poor at conducting we call them insulators. Molecular compounds NEVER conduct as a solid or in a solution (even if they dissolve). |
Metallic compounds – Fe (s)![]() |
Metallic compounds – NOT electrolytes These compounds do conduct in the solid state because they are made of metals (large atoms with a low attraction for their electrons) and thus allow the electrons in their outer most shell to “roam” throughout the crystal. They unlike molecular compounds have loosely held electrons and thus these electrons are allowed to move freely. Free moving charges conduct electricity!! We say that metallic compounds have a sea of mobile electrons in a crystal of positive nuclei. Do not confuse the positive circles with ions as they are the nuclei of the atoms. |
Acid/Base Intro Presentation:
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11/4 – Thursday Homework: –
1. Please continue our acid base intro with the lecture 2 video below IF you need a refresher on today’s intro acid and base lesson.
2. Complete the form below on today’s concepts.You will have 3 graded submissions.
1 :Acid Base Intro 1 lesson:
1 :Acid Base Intro 2 lesson:
End of Thursday..
Electrolytes Demo (Ernie!):
Milk of Magnesia Demo (Weak Base = insoluble salt with a hydroxide):
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11/5 – Friday – B Day – 2, 3b/4 Lab
a) To review concepts of an electrolyte with acid and bases and their relative strengths.
b) To define and review the ACID /Base guys.
Classwork:
Acid and Bases Intro packet new.pdf
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Period 2: –
1. A quick review of the electrolyte concepts (free ions), strong and weak base and acid.
2. Acid/Base definitions – beginning of the acid/base packet
3. Weak acid/base equilibria, Conjugate acid, Conjugate base
Period 3/4: –
1. A quick review of the electrolyte concepts (free ions), strong and weak base and acid.
2. Acid/Base definitions – beginning of the acid/base packet
3. Weak acid/base equilibria, Conjugate acid, Conjugate base
Notes for today:
This is the mechanism of how CO2 acts an acid by the the Lewis Definition.

CO2 acts an acid by the the Lewis Definition.
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C2H2 (g) + 5/2O2 (g) —> 2CO2 (g) + H2O (g) 0r
2C2H2 (g) + 5 O2 (g) —> 4CO2 (g) + 2H2O (g)
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CaC2 (s) + 2H2O (l) —–> C2H2 (g) + Ca(OH)2

Today’s lecture:
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11/5 – Friday Homework: – Make sure you refresh this page to make sure you have the current version!!!!
1. Please make two more submissions to last nights form. My key was wrong for question 7 and with what we did in class you should be able to complete it to perfection. Thank you Meghan!
Period 3/4 Needs to view reviewing the weak acid – weak base equilibria equation that we left off in class (where we identified the all the acids and bases on each side and the conjugate pairs) –
Please do so viewing the video below from 0:00 to 2:20.
2. View lecture below (start at 14:40 to 37:50) and Complete Page 2 of the Acid base Intro Packet and review with the key below (after watching the video): Please skip the Lewis Acid/base definition explanation. I will review that Monday!
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So everyone should have the first 2 pages of the packet completed (excluding the Lewis definition on front page) AND should have the Conjugate Acid Base Pairs worksheet completed (front side).
Page 2 video for homework starting at 14:40: