HW #1 Chapters 1 and 2 - Jeffrey H. Harwell Jeffrey H....

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Unformatted text preview: Jeffrey H. Harwell Jeffrey H. Harwell Jeffrey H. Harwell Jeffrey H. Harwell 3.14285714 9/26/2011 26­Sep­2011 ### 27­August­2011 12 1 35 14 9 71 Problem 1 2 3 4 5 Comments Choose Home/Editing/Clear/Clear Formats Choose Format Cells/Custom/[$­409]d­mm Note that having the Clipboard open allow Choose Format Cells/Number/Number and Clicking AutoSum causes Excel to guess t Opening the menu give additional options, me/Editing/Clear/Clear Formats mat Cells/Custom/[$­409]d­mmm­yyyy;@ then edit it to read [$­409]d­mmmm­yyyy;@ aving the Clipboard open allows you to keep more than one item copied at a time mat Cells/Number/Number and increase decimal places to 8 toSum causes Excel to guess that you want to find the sum of the filled cells above where you clicked AutoSum. e menu give additional options, like finding the average. If Excel guess wrong you can easily edit the equation. ked AutoSum. he equation. a. b. c. d. e. 22.90 43.1 1/1/2009 12­Feb o F 43.2 1­Jan­09 1/ 6 ft3 1 ⁰F a. Use Format Cells/Number/Number to set number 0.899999999999999 b. This is a result of round­off error. The binary repre c. Choose Format Cells/Number/Custom/dd­mmm­y d. Choose Format Cells/Number/Fraction BEFORE ft³ e. Both the ⁰ and the ³ can be found as special cha umber/Number to set number of decimal places displayed und­off error. The binary representation for 0.1 cannot be expressed exactly with a limited number of digits. ls/Number/Custom/dd­mmm­yy ls/Number/Fraction BEFORE typing the fraction ³ can be found as special characters by choosing Insert/Symbol/Calibri font/Subscripts and Superscripts r of digits. rscripts The Antoine Equation Substance benzene A 6.91 T (oF) 10 20 30 40 50 60 70 80 80.1 90 100 110 120 130 140 B 1211.03 C 220.790 p* (Torr) 45.532 75.203 119.338 182.785 271.286 391.472 550.832 757.662 760.000 Note: Bezene boils at 80.1 degrees F when the vapor pressure reache 1020.991 1350.491 1756.375 2249.288 2840.194 3540.262 the vapor pressure reaches atmospheric pressure, 760 Torr Final Temperature Calculation First Volume V1 (gals) T1 (oF) 25 50 Second Volume V2 (gals) T2 (oF) 60 180 Tf 142 Solvent Extraction Process Vw 100 Kd 0.43 m0 5 Vm Vm 75 ml Step 1 Step 2 Step 3 Step 4 m0 5.00 1.82 0.66 0.24 150 ml m1 1.82 0.66 0.24 0.09 Step 1 Step 2 m0 5 1.11 m1 1.11 0.25 1 3.25 5.5 7.75 10 8/27/2011 8/28/2011 8/29/2011 8/30/2011 8/31/2011 8/28/2011 8/28/2011 8/28/2011 8/28/2011 8/28/2011 1 2 3 4 5 ...
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