# Chemteacher

swim, chem, baseball, I talk with my hands

## CP42 – Monday

Date Monday, April 30th Class Business – Challenge Survey Our school is taking part in a survey being conducted by researchers in the School of Education at Stanford University. The … Continue reading

2018-04-29

## CH41 – Monday

Date Monday, April 30th Class Business – Lab Report collect reports and LNB good job! Continuing Idea – Enthalpy review definition related to coeffficents of reaction New Idea – Heating … Continue reading

2018-04-29

## CP41 – Reaction Energy

Date Friday, April 26th Calorimetry Lab turn in lab report comments? questions? turn in LNB New Idea – Reaction Energy every process has a change in energy energy is called … Continue reading

2018-04-26

## CH40 – “H” is for “Henthalpy”

Dates P4 – Wednesday, April 25th P5 – Thursday, April 26th P7 – Friday, April 27th Lab Recap what did you determine for “c” ? what identity did you determine … Continue reading

2018-04-25

## CP40 – Long Block Lab

Date Tuesday, April 24th Data Collection Review what is to be recorded? what to watch for? Lab Day Notes be sure and notice the identity of the metal hot plates … Continue reading

2018-04-23

## CH39 – Lab Day

Dates P4 – Monday, April 23rd P5 – Monday, April 23rd P7 – Tuesday, April 24th Lab Day Note hot plates wash beakers use tap water sig figs –> thermometers … Continue reading

2018-04-22

## CP39 – Lab Prep

Date Monday, April 23rd Revisiting – Q = mcDT units? meaning? questions? Sample Problem Chapter 4 (24) set-up equations calculations Lab Day Prep Conduct a lab to determine identity of … Continue reading

2018-04-22

## CH38 – Lab Thinking

Dates P4 – Friday, April 20th P5 – Friday, April 20th P7 – Monday, April 23rd Revisiting Q = mcDT each term defined units? new – when does it apply? … Continue reading

2018-04-20

## CP38 – Coffee Cups

Date Thursday, April 19th Previous Class Recap Q = mcDT what does each term mean? what are the units for each part? New Idea – Calorimetry insulating system prevents heat … Continue reading

2018-04-18

## CP4142 – Heat Check

Dates Thursday, May 4th (Class 41) Friday, May 5th (Class 42) Lab Recap What are steps to determine the result? What identity did you determine for your metal? You may … Continue reading

2017-05-03

## CP40 – Digital Lab

Date Wednesday, May 3rd Lab Day Set up Vernier Collect lab data Be sure and record observations of metal Lab Calculations process data review lab calculations compare to knowns which one … Continue reading

2017-05-02

## CH40 – Thermo

Dates P1 – Tuesday – May 2nd P3 – Wednesday – May 3rd P5 – Tuesday – May 2nd Class Business Test Class 42 Covers only Unit 11 (Thermo) Acid-Base … Continue reading

2017-05-01

## CP39 – Thermochemistry

Date Friday, April 28th (Founder’s Day!) Revisiting homework review challenges? ideas? more practice (worksheet 3: 8, 12) New Idea – Enthalpy ΔH is change in energy of a process balanced … Continue reading

2017-04-27

## CP38 – Calorimetry

Date Wednesday, April 26th Homework Recap using equation units / SF questions? New Idea – Calorimetry isolate system from surroundings keep exchange inside (styrofoam cup) DE = 0 so therefore … Continue reading

2017-04-25

## CH38 – Enthalpy

Dates P1 – Wednesday, April 26th P3 – Thursday, April 27th P5 – Wednesday, April 26th Lab Recap What measurements were made? What is being determined? What are the givens? … Continue reading

2017-04-25

## CP37 – Calorimetry

Date Tuesday, April 25th Recap – Video Questions distill the questions share with the class most important part Recap – Heat Flow Factors parts of equation units specific heat capacity … Continue reading

2017-04-25

## CH37 – Lab Day

Dates P1 – Tuesday, April 25th P3 – Tuesday, April 25th P5 – Monday, April 24th Lab Day Notes OK to use tap water for everything sig figs –> temperature … Continue reading

2017-04-24

## CH36 – Calorimetry

Dates P1 – Monday, April 24th P3 – Friday, April 21st P5 – Friday, April 21st New Idea – Heat Flow phase change vs. no phase change heat causes temp … Continue reading

2017-04-20