Practice_Exam_with_Key

Practice_Exam_with_Key - CHEM 209 Practice Exam NAME 1 Fill...

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CHEM 209 P r a c t i c e E x a m NAME: _________________________________ 1. Fill in the following empty parts of the following Table. (15 POINTS) Blank Light Intensity (I 0 or P 0 ) Light Intensity of Sample (I or P) % Transmittance Transmittance Absorbance 1.00 x 10 4 15.0 1.00 x 10 4 250 1.00 x 10 4 1.00 x 10 3 1.00 x 10 4 8.00 x 10 3 1.00 x 10 4 0.00656 Show calculation for 1 st row and 5 th row (at least). You can show all if you would like. 2. (10 POINTS) Draw a block diagram of the following instruments, labeling all of the important components. (a) GC instrument (b) Visible Spectrophotometer
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3. (a) What is the complete balanced chemical reaction between Na 2 CO 3 and HCl? SHOW THE TOTAL IONIC EQUATION AND THE NET IONIC EQUATION. (5 POINTS) (b) Suppose that your pH meter indicates that the pH of a solution is 8.20. Calculate the [H 3 O + ] of this solution. SHOW YOUR WORK. (5 POINTS) (c) Suppose that 200.0 mL of a 0.1220 M HCl solution was added to a full antacid tablet containing CaCO
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This note was uploaded on 10/02/2009 for the course CHEM 209 taught by Professor Greg during the Fall '07 term at University of Louisville.

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Practice_Exam_with_Key - CHEM 209 Practice Exam NAME 1 Fill...

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