Chemteacher

swim, chem, baseball, I talk with my hands

CP37 – Calorimetry

Date Wednesday, April 18th Homework Terms kinetic energy potential energy conservation of energy joule – calorie specific heat New Idea – Heat Capacity how much energy to raise temperature different … Continue reading

2018-04-17

CH36 – Conservation

Date Tuesday, April 17th Review Homework system <–> surroudings path-dependent <–> state function exothermic <–> endothermic law of conservation of energy first law of thermodynamics work (when a gas expands = works) … Continue reading

2018-04-16

April 15th = 42

I wrote this post five years ago on the occasion of the release of the movie “42,” depicting the life of Jackie Robinson. Every April 15th I think about the … Continue reading

2018-04-15

CP36 – Energy!

Date Monday, April 16th New Idea – Energy heat – temperature – thermal energy differences relationships examples Homework Textbook Ch. 4 – Sections 4 & 5 define key terms (p. … Continue reading

2018-04-15

CH35 – Thermo

Date P4 – Monday, April 16th P5 – Monday, April 16th P7 – Monday, April 16th New Idea – Energy warm-up activity types of energy phases <–> energy heat – … Continue reading

2018-04-15

Just Poetry

Sometimes I write bad poetry – here are samples from the past few years Sub Duties Subbed a class today where I bribed the students with a vat of bacon … Continue reading

2018-04-12

CP35 – Fun Videos!

  Date Friday, April 6th Class Business – Lab Reports multiple trials – formatting summarizing calculations general thoughts? comments? Reminders about Labs (that have always been true) Lab report grading … Continue reading

2018-04-03

CH34 – Almost…

Dates P4 – Wednesday, April 4th P5 – Thursday, April 5th P7 – Friday, April 6th Lab Reports submit mini-reports comments? liked? didn’t like? Long Block Part 1: Virtual Lab … Continue reading

2018-04-03

CP34 – Long Blocking

Date Tuesday, April 3rd Lab Reports Collected Thoughts? Results? Difficult aspects? Easy parts? Formatting? Long Block Part 1: Acid-Base Calcs Final Idea: Kw Kw = [OH–] [H+] = 1 x … Continue reading

2018-04-02

Titration Competition

Thanks to everyone who submitted an image for the competition. After the voting was concluded the winner is PICTURE #3! CONGRATULATIONS to EM and BV from P5!

2018-04-02

CH33 – Still VL

Dates P4 – Monday, April 2nd P5 – Monday, April 2nd P7 – Tuesday, April 3rd Mini-Lab Reports nice job! very clean and logical reminder: writing in LNB is not … Continue reading

2018-04-01

CP33 – More VL

Date Monday, April 2nd Recap Virtual Lab titration standardization process how far did you get? Virtual Lab – Part 1 Homework –> Acids and Bases –> Standardization of NaOH Perform … Continue reading

2018-04-01

Virtual Lab Support

Welcome to the Virtual Lab! The virtual lab is software designed to replicate the chemistry and decision-making in a real chemistry lab. The software allows for unlimited trials and experimentation … Continue reading

2018-03-31

CH32 – Virtual Chemistry

Date Friday, March 30th Quick Idea – Standardization know approximate molarity titration is performing to determine concentration focus: reducing uncertainty and adding sig figs NOTE: “0.1 M” indicates a number … Continue reading

2018-03-29

CP32 – Opening Day

Date Thursday, March 29th Opening Day Life begins on Opening Day [LINK] [LINK] Homework Review different scenarios for mixing if there is a reaction – changes how to approach Virtual … Continue reading

2018-03-28

CH31 – The Struggle

Dates P4 – Wednesday, March 28th P5 – Wednesday, March 28th P7 – Thursday, March 29th Homework Recap Titration curve thoughts and observations? where is the equivalence point? phenolphthalein – … Continue reading

2018-03-28

CP31 – pH Practice

Date Wednesday, March 28th Homework Recap calculating pH questions pH –> [H+} –> pH Extending = Let’s Practice Ch. 15 – #19 (all) Ch. 15 – #29 Ch. 15 – … Continue reading

2018-03-28

CH30 – The Curve

Date Tuesday, March 27th Recap – pH main ideas homework questions? New Idea – pH after a Reaction pH of a solution after a reaction perform standard calculations determine leftover … Continue reading

2018-03-27

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