Week 5 – 9/27 – 10/1
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9/27 – Monday – B Day – 2, 3b/4 Lab
c) Perform an electrolytic cell Lab by determining the mass of Cu at the cathode.
Intro Electrolytic Cells worksheet 2 key p.pdf
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2. Complete the classwork: (back side of the previous homework worksheet)
LAB 3 – Determine the grams of copper collected at the cathode of an electrolytic cell of an unknown concentration of copper (II) chloride–
Setup an electrolytic cell complete the lab diagram collect and filter your copper place in the oven
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9/27 – Monday Homework: –
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Electrolysis of water review video :
Electrolytic Problems Expanded Review video:
End of Monday!
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9/28 – Tuesday – B Day – 2/3a, 4 single
b) Calculate the Molarity of the solution
2. Review of Homework worksheets: Implications of electrolysis of water in Lab 3..
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9/28 – Tuesday Homework: –
Raw score | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 |
*Bonus Points | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
End Of Tuesday!
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9/29 – Wednesday – B Day – 2, 3b/4 single
b) Calculate the Molarity of the solution
2. Review of Electrolytic Cell Extra Credit Quiz
3. Electrolytic Cell Quiz in class
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9/29 – Wednesday Homework: –
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1:Electrolysis of quiz review:
2: Flash animation turned into a video :
Please use this video to complete the Lattice Energy Form if you could not connect with the Link:
End of Wednesday!
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9/30 – Thursday – A Day – 2/3a, 4
b) To perform unit cell calculations to determine, density, lattice constant, atomic mass, and atomic radius.
Diffraction of light demo – double slit experiment = green laser
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The following is an example of an interference pattern that occurred during today’s demo. This is the famous double slit experiment that proves light has wave properties. I pointed a green laser at a card that had 2 small double slits. The bright spots are the constructive interference while the space between the dots are destructive interference. Based on some measured values and Bragg’s Law we can calculate the distance between the slits that the light passed through AND this is what is done to measure the distance of the lattice constant from metal crystals in x-ray crystallography. |
Unit cell for class:
Presentation for Class and Lab 4:
LAB 4 – The Metal Foil lab – Determine the number of atoms high a copper foil and aluminum foil are using volume, density and unit cell calculations.
The metal foil lab activity is not a formal writeup but please complete it as per the procedure in the handout that I gave. A piece of paper with your work neatly written with units and sig figs showing all calculations will suffice.
Discussed the volume unit relatives cm3 = ml and the conversions of m3 to cm3metric prefixes:
K H D [ ] d c m —–> micro, nano, pico
Today’s Lesson:
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9/30 – Thursday Homework: –
End of Thursday.
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10/1 – Friday – B Day – 2, 3b/4
b) To perform unit cell calculations to determine, density, lattice constant, atomic mass, and atomic radius.
c) To identify substitutional and interstitial alloys.
3. Alloy lesson – How adding different metals into a metal crystal will change the metals properties
4. Thin Foil lab – start with period 2 and period 4
Alloy Presentation for class lesson:
Presentation for Class and Lab 4:
LAB 4 – The Metal Foil lab – Determine the number of atoms high a copper foil and aluminum foil are using volume, density and unit cell calculations.
The metal foil lab activity is not a formal writeup but please complete it as per the procedure in the handout that I gave. A piece of paper with your work neatly written with units and sig figs showing all calculations will suffice.
Discussed the volume unit relatives cm3 = ml and the conversions of m3 to cm3metric prefixes:
K H D [ ] d c m —–> micro, nano, pico
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10/1 – Friday Homework: –
Crystalline unit cell problems key p.pdf
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Alloy worksheet key.pdf