Wednesday March 19, 2014

What We Did Today:

Checked last night’s homework

Everyone gets two extra points on the last unit test because there was an error in the key.

Notes all put on Moodle

Today’s Handouts:

Unit test review* and Q calculation sheet**

*video and key posted

**can’t do unit packet questions 26 and 27 today because learning tomorrow

not enough space to do 26

Check hw

will be posted (hopefully)

went over equilibrium notes and reaction quotient notes (on moodle)

products divided by reactants raised to the power of their coefficients

hw: complete the two equilibrium constant worksheets from yesterday and one q worksheet

(total of three worksheets)

Tuesday Feb. 28 2014

How we started class:

Ms. Friedmann checked everyone's homework. If you weren't here today please make sure to have your homework by tomorrow.

We checked the Heat Combustion Prelab today:

Here is the key for the prelab.

http://gbs-moodle.glenbrook225.org/moodle/file.php/12015/1314_Unit_8_--_Thermochemistry/Unit_8_Keys/Key_to_Heat_Of_Combustion_Prelab.pdf

*Number 4 on the prelab is what we are trying to achieve in today's lab.

We did the Heat of Combustion Lab:

Data you'll need:

Mass of candle - 10.47 grams

Volume of 100 mL of water - 100.0 mL

Initial temperature of water - 8.8 degrees Celsius

Highest temperature of water - 35.1 degrees Celsius

Final Mass of the candle - 9.87 grams

We have to do a Lab Write-Up

Format of the Lab Write-Up:

Title

Purpose 

Data

Post Lab Questions; Calculations

Conclusion

-Claim

-Evidence

-Reasoning

HW: 

Lab due Thursday

Webassign due tomorrow night

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