Daily Outline for Chem 1400

You may have to hit the refresh/reload browser button to see daily updates.               email Desrochers

Dec 10  Comprehensive Final Exam  11 am – 1 pm       final exam menu for concepts

 

Office hours during finals week:

2-4 pm Dec 7    Had an unexpected meeting pop up at 1 pm Mon, sorry for the confusion.

1-3 pm Dec 9

Dec 3,4  Final exam study sessions

Dec 3 regular lab time.  I’ll stay as long as people are there.  If no one shows, I’ve a seminar to attend later in the afternoon.

Dec 4 on demand in my office after 12 pm.

Dec 3

Any remaining electrochem (Exp 24) experiments are due today.

Quiz 7, Chapter 8      key

Fuel Cells! “Houston, we have a problem.”

Human beings as fuel cells

A hydrogen economy

 

Read Ch 8

Work remaining Ch 8 as assigned on the syllabus

Dec 1

Fun with batteries

Electrolysis (not hair removal)

Anode and cathode in both places

Bring your Exp 24 lab for completion today

 

Read Ch 8

Work remaining Ch 8 as assigned on the syllabus

Nov 26   Thanksgiving Break

Online Course Evaluations for the Fall Semester and or 2nd 8-week courses have started!

Students will have until December 13th to complete their evaluations. 

 

The evaluation period has begun.

Students will receive emails which will allow them to complete the surveys or they can click the "evals" icon in MyUCA.

A few specific examples of how you used feedback from past course evaluations. For example: "see my FAQ’s including changes from previous feedback"

Responses are completely anonymous, and that teachers will only see results after grades are released.

Nov 24

Silver lightning!

Tendency for electrons to flow, water behind a dam

Batteries!

Anode, cathode, salt bridge

Vote: Quiz Y (23) or N (13) on Dec 3—voting results at right

 

Read Ch 8

Work Ch 8: 1-12, 35-37, 42, 46,49 as assigned on the syllabus

Nov 19,20        lab-downloads page      don’t forget to do the prelab by 10:50 am Thu 

Exp #24  Electricity from chemical reactions

Shoes and GOGGLES (on last time)

Nov 19

Redox on Skunk Hollow Rd.    Some redox slides

Oxidation, reduction

Reducing agent

Batteries!

 

Read Ch 8

Work Ch 8: 1-12 as assigned on the syllabus

Nov 17

Fourth Exam, Chapters 7 and 4 (again.  Energy is that important.)     key      97, 96, 93, 91, 90, 89 <73>  30  

One of your classmates earned an 85, a 20 point improvement from their previous best.  Very well done.

Nov 12,13      lab-downloads page

Nuclear worksheet

Complete the personal nuclear dose calculation before coming to lab.  Bring the printout.

Nov 12

a, b, g

Half lives

Fission vs Fusion

Nov 10

Nuclear vs chemical         Required viewing before lecture:     Uranium   Plutonium      (From the Periodic Table of Videos)

DE = mc2

a, b, g

Half lives

 

Read Ch 7

Nov 5,6      lab-downloads page      don’t forget to do the prelab by 10:50 am Thu 

Exp #30   Fat in chips  (finally!)

Shoes and googles.

Nov 5

Third Exam, Chapters 5 and 6.          key

Nov 3

NOx and SOx          bring this figure to class

Acidic gases

Where they come from?

How to deal with them?

 

Work remaining Ch 6 as assigned on the syllabus

Oct 29,30    lab-downloads page      don’t forget to do the prelab by 10:50 am Thu 

Fourth graded assignment (teaspoon of sewage, citywide drug analysis) due first thing in lab

Exp #20   Acidic and basic materials

Shoes and googles.

Oct 29

Quiz 6  Polarity and water solubility of compounds     key

What is an acid?  What is a base?

pH!

Acid rain

 

Work Ch 6: 1-9, 11-18 as assigned on the syllabus

Oct 27

What is water like?      You MUST understand molecule shape to understand today

Why is water like that?

What does it matter that water is like that?

NO ETHANOL gas

How do you get _______________ out of my water?

 

Read Ch 6

Work remaining Ch 5 as assigned on the syllabus

Oct 22,23  Fall Break   No lab this week

Oct 20

Ionic compound formulas

Ionic solubility

To be or not to be…water soluble

 

Read Ch 5

Work Ch 5: 1-25 as assigned on the syllabus

https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcSXhnuscPtyucNZ4UDNTiTArgpSQ90oTBRToprqXdjCPPC0wc169w

 

Very simple, very cool chemistry.  Click on the image to watch a compelling video.

Oct 15,16    lab-downloads page      don’t forget to do the prelab by 10:50 am Thu 

Exp #22 Solubility

Shoes and googles..

Oct 15

Quiz 5  Table 5.7 p 224  names and formulas of common polyatomic ions

Molarity: bicarbonate molarity in Hot Springs mineral water

Ionic vs covalent compounds

Electrolytes vs non-electrolyes

Ionic compound formulas

Ionic solubility

 

Read Ch 5

Work Ch 5: 16-23, 26,27,49 as assigned on the syllabus

Oct 13

Some owe me the experiment from last week, biodiesel. Yours will be STAPLED prior to coming to class.

Ch 5  Water

What is in it?

Where does it come from?

How much is there.

Conway water

Concentration units

ppm, ppb in condensed states

molarity

Memorize Table 5.7 (p 224).  You must know the names and formulas (including charges of these very common ions).

 

Read Ch 5

Work Ch 5: 1,2, 13,29,32,42,44 as assigned on the syllabus

Oct 8,9                    lab-downloads page      don’t forget to do the prelab by 10:50 am Thu 

Exp #13 Biodiesel

Shoes and googles..

Oct 8

Second Exam Chapters 3 & 4      key

 

94, 92, 91, 90, 89, 88 <64> 30

 

Winner of the grand prize improved their score by 26 points over the first exam.  This person did not earn the high score.  Well done!  Honorable mention goes to a 19 point and a 14 point improvement.

powerGrand prize for student who shows most improvement on the second exam compared to first exam. 

Prize = UCA logo cell phone portable power bank.

To qualify:

·         Must score at least 15 points better than last exam to qualify.

·         Best improvement (15 points or better) will win the prize outright.

·         If no one scores 15 points better, the prize will go to the highest score on the exam.

·         In the case of a tie, a random drawing will determine the winner.

 

Oct 6

Quiz 4 Ch 4 through Oct 1     key

Fuel strategies

Where the energy comes from: Bonds broken and formed

 

Read Ch 4

Work remaining Ch 4 as assigned on the syllabus

Oct 1,2       

Exp #12  Energy and fuels

Bonds broken and formed

Assignment #4 due first thing in lab    Several (too many) egregious examples of plagiarism seen on this assignment.

Th Oct 1

Ch 4  Energy!

Endothermic / Exothermic

Energy units

Fuel comparison     worksheet   (bring this to lecture)      Moral case for fossil fuels   (Houston Chronicle, June 2014)

 

Read Ch 4

Work Ch 4: 1-18,32-35 as assigned on the syllabus

Tu Sep 29

Climate change overview

Assignment #4 is posted (Combating Carbon) it is due in lab this week…Cap&Trade  C-credits     C-tax

Endothermic/Exothermic

1st LAW of thermodynamics

 

Read Ch 4

Work Ch 4: 2-10 as assigned on the syllabus

Sep 24, 25     lab-downloads page      don’t forget to do the prelab by 10:50 am Thu 

Exp #10 Moles and Reactions

Assignment #3 due first thing in lab.   

Th Sep 24

Quiz #3  first thing in lecture        key       

Of Mass and Moles , molar masses

Carbon cycle

Sources and sinks

 

Read: Ch 3

Work: remaining Ch 3 as assigned on the syllabus

Tu Sep 22

Exp #6 Color and light completed and STAPLED lab due in lecture first thing (although I received one by email so far).

Why they absorb IR light:  Shape

2, 3, 4 “things”     Complete Assignment #3 dealing with shape, due when you come to lab this week.

Moles: how to calculate a carbon footprint.

Why that number?

Why such a ridiculously large number?

Of Mass and Moles , molar masses

Quiz 3 on Th

 

Read: Ch 3

Work Ch 3: 10-17,23-25,36-39 as assigned on the syllabus

Sep 17,18          lab-downloads page      don’t forget to do the prelab by 10:50 am Thu  (some have already done it)

Exp #6 Color and light   

Th Sep 17

Ch 3

Venus   Earth    Mars        bring this to lecture

Greenhouse effect, global warming, climate change

Has the Earth ever been warmer or had more CO? p 115

p 112 and isotopes

average atomic mass

shape   bring this figure

 

Read: Ch 3

Work Ch 3: 2-9, 22,38,41 as assigned on the syllabus

T Sep 15

First exam, Chapters 1 and 2       key        99   <68>   34

Sep 10,11

Second graded assignment due now (if you have not already handed it in).

Study session for first exam.  Submit questions for this exam here. We will only discuss things that you ask questions about.

 

Learn computer coding?  Some say we all should do it.

If James Bond had a twin brother would they call him James Double Bond?

Image result for ionic bond taken not shared

Th Sep 10

CFC’s good or bad

What they used and why

compressibility

What they changed them into

What would be even better

Take a look at p 133 Table 3.4, we’ll revisit this during Ch 3.

 

Read: Sec. 2.1 – 2.12

Work: remaining Ch 2 as assigned on the syllabus

"It is not enough to have a good mind. The main thing is to use it well."

 

 -- Rene` Descartes, 1596-1650

 

“In order to have good ideas one has to have lots of ideas.”

Linus Pauling, 1901 - 1994

Tu Sep 8

Quiz 2 first 10 min of lecture       key

Second graded assignment (ozone in Arkansas) due first thing in lab

Why Antarctica, Why October   bring these questions

CFC’s good or bad

What they used and why

 

Read: Sec. 2.1 – 2.12

Work: Ch 2  1-41, 48-54    as assigned on the syllabus

Sep 3,4      lab-downloads page      don’t forget to do the prelab by 10:50 am Thu

Exp #8 Bonds and Shape    valence electrons

Th Sep 3

n, l, c

spectral regions and effect of light

UV A B C

Why Antarctica, Why October   bring these questions

Quiz 2 and graded assignment on Tu

 

Read: Sec. 2.1 – 2.12

Work: Ch 2  1-41    as assigned on the syllabus

T Sep 1

First graded assignment (Elements in the body) due first thing in lecture

Concentration units, how much is there

ppm  ppb   %

Ozone good or bad?

p e n

allotropes  vs  isotopes, know the differences

 

Read: Sec. 2.1 – 2.8

Work: Ch 2  1,3,4,6,7,8-12,16    as assigned on the syllabus

Aug 27,28    lab-downloads page   

·         Exp #1 Gases in Air

·         Goggles!!  You must have them to work.  They will be sold 10 min before labs through Sep 4.

·         Shoes!!  Cover your feet.  Sandals or flipflops and you won’t work.

Th Aug 27

Prelab for #1 Gases in air due to me by 10:50 am (either in lecture as hardcopy or by email)

Quiz 1 Ch 1 to date first 10 min of lecture       key (sorry for my delay in posting it)

Chemical reactions               this linked table will be used in lecture

Home furnace and soot.

burning phosphorus

Concentration units, how much is there

ppm  ppb   %

First graded (elements in the body) assignment due Sep 1

 

Read: Sec. 1.1 - 1.14   Sec. 2.1 - 2.8

Work: Ch 1  as assigned on the syllabus

T Aug 25

matter p 31

#7, periodic table   Elements to know:   # 1 - 36, I, Pb, Hg, Ag, Au, Pu, U    "Know" = means name, PT location

Compounds, names

My expectation is that you would be able to name simple compounds made from these elements that you know.

    (see above comment).  You also must be able to write a formula

Where does it come from?

Chemical reactions               this linked table will be used in lecture

Home furnace and soot.

Quiz 1 over Chapter 1 to date on Thu Aug 27

 

Read: Sec. 1.1 - 1.9

Work: 1-36  as assigned on the syllabus

Aug 20,21 Lab this week in Rm 206    lab-downloads page

·         Goggles might be for sale

·         Lab safety agreement.  You must do it to work next week.

·         Breath-room volume exercise, working in pairs

Th Aug 20

Green chemistry

SLG Quiz

What’s in air?  #26 p 51

p 24 Tab 1.5

Air quality index animations and maps (Airnow)

atmosphere p 19, 66

 

Read: Chapter 0, Sec. 1.1 - 1.9