3rd+Week+Presentation

3rd+Week+Presentation - C7 == 4 free points Don’t need to...

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Click to edit Master subtitle style 1/27/11 Recitation Week 3
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1/27/11 Schedule Pass back prelab 2….discuss it Postlab 1 Postlab 2 Questions? Questions on class material up to this point
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1/27/11 Prelab 2 Grading 1a: 1 pt for Cu(NO3)2, 1 pt for Cu(NO3)2∙3H2O 1b: 1 pt if correct, ½ pt if close 2 ½ pt for Zn/Cu oxidation states ½ pt for S/O oxidation states ½ pt for initial/final oxidation states ½ pt for Reducing agent/sentence 3: 1 pt answer, 1 pt set-up 4:
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1/27/11 Common Problems Reading Directions! 3 ions per Cu(NO3)2 Oxidation states Reducing/Oxidizing Agent Lets draw out a microscopic picture H2O no HO2 Correct Orientation Molecules Dissolve, each ion surrounded by water
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1/27/11 Grading Review
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Unformatted text preview: C7 == 4 free points Don’t need to turn prelab back in Small numbers in the report are points you got…number in lower left hand corner is total for that page. 1/27/11 Common Problems Using first person – do not do it Using contractions – do not do it Graph making Show example calculations Q-test is not a “maybe”…yes/no question Try to place supporting material near the question A ml means nothing it is an mL 1/27/11 Common Problem… cont’d Equation of the line on the graph gives Absorbance=Molar Abosrptivity*Concentration No absorbance measured for blank 1/27/11 Postlab 2 and Current Material Questions?...
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3rd+Week+Presentation - C7 == 4 free points Don’t need to...

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