10th Grade Chemistry Class Page

 

Equation Sheet for Exam

CLASS HANDOUT PREPARE FOR EXAM

 

Week of May 25

Monday 

Field Day

 

Tuesday

No Class

 

Wednesday

Quiz on Chapter 18

Homework - Go to this wiki page and add colleges that you have visited along with one factoid (preferably what that college is #1 at) about each.

 

Thursday

Nuclear Chemistry

Chemistry Review Handout! Prepare for Class next Week! (Same link as above)

 

Friday

Begin Exam Review

 

 

Week of May 18

Monday 

No Class - Field Trip

 

Tuesday

No Class - Field Trip

 

Wednesday

No Class - Field Trip

 

Thursday

Finish Working on Lab

Class time to work on Lab Report - Due Wednesday

 

Friday

Answer Any Questions on Lab Report

Review for Quiz on Wednesday on Chapter 18

Concepts:

Acid Ionization Constants/ Base Ionization Constants

How to calculate these

Relationships between Ka and Kb

Calculating pH from Ka and concentrations

When to use Ka and Kb

Some good review problems: 18. 3, 14, 15, 42, 43, 46, 47, 52, 53, 56, 57, 62 

 

Week of May 11

Monday

Review Test

Begin Chapter 18

HM: Read 18.1 and 18.2

 

Tuesday

No Class

 

Wednesday

Continue Discussion on Ka/Kb

pKa=log(Ka); pKb=log(pKb)

Ka x Kb = Kw

HM Due Friday: 1, 2b, 9, 42, 47 

 

Thursday

Discuss good lab reports

 

Friday

Lab Preparation

 

 

Week of May 4

 

Monday

Lab - forming a slightly basic solution.

Discuss 17.89 - finding the pH with a limiting reactant in a neutralization reactant

Homework:  Retry 17.92 given what you learned with 17.89.

 

Tuesday

Usually we have no class on Tuesday, but today holds a surprise.

 

Wednesday

No class today - work time for English essay, instead (since we missed English yesterday)

 

Thursday

Review day for Chapter 17 test.  Topics to review:

- definitions of Arrhenius acid/base and Bronsted-Lowry acid/base.

- conjugate acid/base pairs

- Kw formula and value

- pH and pOH formulae

- strong acids and bases

- neutralization reaction

- calculating pH of a solution

- how to dilute a solution

Problems to try: 17.42, 60, 62, 66, 74, 76

 

Friday

Chapter 17 test

 

 

Week of Apr. 27

 

Monday

Submit signed grade record sheet. 

Intro to Chapter 17 - acids and bases.

Arrhenius definition of acids/bases vs. Bronsted-Lowry definition.

Conjugate acid-base pairs.  Kw, pH and pOH.

HW: Read 17.1.  Problems 17.41, 43, 61, 63.  Answer on wiki.

 

Tuesday

No class.

 

Wednesday

Points deducted if you do not submit a signed grade record sheet by today.

Neutral, basic, acidic solutions.  pH measurement and calculations.

Review strong acids and strong bases.

 

Thursday

pH Lab

Homework:  Write up (on the wiki) your strategy for obtaining the pH of 4 and of 8 using the compounds you were given.

 

Friday

pH Lab

Homework:  Problem 17.92 on the wiki.

 

 

Week of Apr. 20

 

Monday

Review for test on Wednesday.

Test topics: definition of equilibrium, Le Chatelier's Principle, Equilibrium law (Kc) expressions, manipulating chemical reactions and their equilibrium constants (combining, scaling, reversing), meaning of large Kc versus small Kc, calculating Kc from equilibrium concentrations, ICE problems.

 

Tuesday

No class.

 

Wednesday

Chapter 16 test.

Take-home portion (open-book, open-notes):  Problems 16.68 and 74.  Due (on paper) by Thursday's class.

 

Thursday

In-class problem 16.78.

Go over 16.74 (b) on the board - must be able to do the math to get the correct answer.

If you missed 16.68 due to math, redo it and turn it in on Friday.

Get grade record sheet signed by a parent for Monday.

 

Friday

In-class review of problem 16.68.

Update grade record sheets - get signed for Monday

 

 

Week of Apr. 13

 

Monday

Review equilibrium laws.

Le Chatelier's Principle

Homework:  Problems 16.46, 48, 50 (put answers on wiki).  Also skim 16.8.

 

Tuesday

No class.

 

Wednesday

ICE charts (sophomores love them, juniors hate them?)

Homework: Problem 16.54 (put answer on wiki)

 

Thursday

ICE using quadratics (this is why your algebra class is important!)

Homework:  (Due Monday) Read 16.9 carefully and then do problems 16.55, 56, 57, 58, 60, 62, 64 (on wiki)

Chapter 16 test next Wed.

 

Friday

Equilibrium demonstration.

Example ICE problems.

 

 

Week of Mar. 30

 

Monday

Problem set due based on questions missed on Ch. 15 test.

Virtual kinetics lab.

Introduction to Equilibrium Laws.

Homework:  16.20(a) on your wiki page.  (est. time: 10 min.)

 

Tuesday

No class.

 

Wednesday

Equilibrium Laws - manipulation.

Homework:  16.26 on your wiki page. (est. time: 10 min.)

 

Thursday

No class due to NHD

 

Friday

Element videos and a special appearance by Bill Nye.

 

 

Week of Mar. 23

 

Monday

Finding the rate law from experimental data.

Review Chapter 15 - rate laws, order of reaction, first-order reaction concentration vs. time (exponential decay), activation energy graphs and calculations.

Optional problems to try:  15.76, 90, 97

 

Tuesday

No class.  Lab report due in the basket.

 

Wednesday

Chapter 15 test.

 

Thursday

Test Review

Problems due Monday for any missed test problems (ignoring sig fig or units mistakes):

#2 - 15.70,71,72,73

#3 - 15. 90,91,94

#4 - 15.76,77,78,79

#5 - 15.66,67,68

#6 - 15.84,85,86,87

#7 - 15.99(a)(c), 100,101,103

Activation Energy virtual lab

 

Friday

No class due to field trip.

 

 

Week of Mar. 16

 

Monday

Rate Law practice problem.  Half-life discussion.  The story of the atom bomb.

Homework for Wed.:  Problem 15.94 - answer on your wiki page.

 

Tuesday

No class.

 

Wednesday

Half-life practice problem.

Catalysts.

 

Thursday

Activation Energy - graphic representation and calculations.

Rate constant depends on temperature, but activation energy does not.

Calculations involving rate constants (k):

- rate law (must be determined experimentally)

- exponential decay (e.g., half-life)

- activation energy (given at least 2 rate constants and 2 temperatures)

 

Friday

Half-life lab.  Lab report due next Tuesday.

Practice problems.

Test on Chapter 15 next Wednesday.

 

 

Week of Mar. 9

 

Monday

Last chance (really!) for 2nd trimester points (open book) - calorimetry, wavelength/frequency, Hess's Law, heats of formation/combustion, Le Chatelier's Principle.  Problem set due Tuesday in basket.

Homework for Wed. (for everyone):  Read Ch. 15.1-15.3.  Attempt problem 15. 65.

 

Tuesday

No class.

 

Wednesday

Intro to Kinetics

Using a graph to determine the rate of a reaction at any particular time.

Example using a computer spreadsheet.

HW:  Read 15.4.

 

Thursday

Rate Laws; rate of increase/decrease in products and reactants

HW:  Read 15.5.  Problems 15.68 and 15.72 - answer on your wiki page.

 

Friday

Order of reaction rate.  Calculating the concentration of a reactant after time t.

A(t) = A(0)e^(-kt)

HW:  Problem 15.91.

 

 

Week of Mar. 2

 

Monday

Snow day

 

Tuesday

No class.

 

Wednesday

Go over exam questions.

 

Thursday

Second-to-last chance points for 2nd trimester (open book)

 

Friday

Go over open book problem set - another method for solving calorimetry problems.

 

 

Week of Feb. 23

 

Monday

Take-home test due.

Exam Review - topics

 

Tuesday

No class.

 

Wednesday

Exam Review - topics

 

Thursday

2nd Trimester Exam

 

Friday

No class.

 

 

Week of Feb. 16

 

Monday

No class (President's Day)

 

Tuesday

No class.

 

Wednesday

Grade Record Sheet check

Le Chatelier's Principle

 

Thursday

Review - test topics: inter- vs. intra-molecular forces, hydrogen bonding, other dipole-dipole forces, London forces (3 factors), viscosity, surface tension, boiling point definitions, phase changes, phase diagrams, heats of vaporization/sublimation/fusion, Le Chatelier's Principle.

Take Home Test on Chapter 12 (open book, open notes) - due Monday.

 

Friday

No class - Talent Show

 

 

 

Week of Feb. 9

 

Monday

Optional make-up test on Ch. 7 (closed-book)

Hydrogen bonding - responsible for strange property of water (ice less dense than liquid).

Dipole-dipole - shows up with molecules that are polar.

London Forces  (instantaneous dipole) - 3 factors (size of electron cloud, number of atoms in molecule, shape of molecule).

Homework:  Problem 12.92 - answer on your wiki page and give one sentence of justification. (est. time: 10 min.)

 

Tuesday

No class.

 

Wednesday

Van der Waals forces predict boiling points.

Definition of boiling point.

Why does it take longer to cook in Denver than in Davidson?

Phase Diagrams - triple point

Homework:  Problems 12.58, 63, 108 - answer on wiki (est. time: 15 min.)

 

Thursday

Go over homework.

Heats of fusion, vaporization, and sublimation (all are positive for all substances)

How does a refrigerator work?

The incredible boiling water experiment - why did the water start to boil again when cold water was poured on the flask?

 

Friday

No class - teacher work day

 

Total est. HW time: 25 min.

 

 

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