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I got 1.55 but it's not a choice so idk what to do
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- 8. Chemical Formula: C9H17NO5 8 1H, broad 7 6 Final Answer 1H, broad 5 سلاد etu 4 PPM 3H s 3 2 9H s 1 there are 3 peaks between 4.00 and 4.30 ppm: a 1H t at 4.3 ppm two 1H t that both happen to be at 4.0 ppm, but are not the same 0What is the linearity (r2) value of the following concentration and absorbance values: SAMPLE CONCENTRATION ABSORBANCE 1 0.178 0.2127 2 0.274 0.2715 3 0.473 0.3892 4 0.574 0.4568 5 0.673 0.5327 6 0.864 0.6283 0.9786 0.9876 0.9562 0.9976What is the nlx notation of 81Tl
- 8. Chemical Formula: C9H₁7NOS 8 1H, broad 7 6 Final Answer 1H, broad 5 بللي بلد 4 PPM 3H s 3 2 9H s 1 there are 3 peaks between 4.00 and 4.30 ppm: a 1H t at 4.3 ppm two 1H t that both happen to be at 4.0 ppm, but are not the same 0If an IR spectrum of a molecule shows 3 absorption peaks / bands, what is the number of IR active modes that the molecule may have? Exactly 3 modes At least 3 modes More than 3 modesDefine Rf and explain why the value of Rf can not be greater than 1(one).
- #9. Use the information provided below to find out the molecular formula and structure of the compound. QE-300 CDCl3 al Relative Intensity 100 80 60 40 20 +0 0-min 10 3454 #1 3456 57 2907 15 2944 20 2910 36 2879 50 TO ALLE 1 In 20 30 2716 81 2001 04 2438 1 2154 84 1991 84 1972 77 1733 4 1476 23 1470 25 1447 19 1421 16 1116 25 1160 9 40 50 1306 1270 1140 1022 9 974 27 657 25 76466 6 $ 60 m/z MENYERL 70 722 27 608 13 1900 80 90 100 110 1203. If you wished to study the molecule below by measuring absorbance, what wavelength should you set your spectrophotometer to? 1.6 Absorbance 1.4 1.2 1.0 0.8 0.6 0.4- 0.2- ME 0.0 300 400 600 Wavelength (nm) 500 Solutions and Mol....pdf 2 700 20221027_141317.jpg 800IIIB Answer only letter B
- Write the structural formula for 2 isomers of C4H8O2 Additionally, identify two major, and unique, bands in the IR spectrum to identify these compounds. containing different functional groups that would allow you Structural Formula Functional group name Two IR bands1. All of the following molecules are fluorescent. Fill in the table the correct name that match with the fluorescence data. Drag the names below into the table Excitation Amax Emissian Amay Molecule Quantum yield 0.29 286 nm 321 nm 0.60 390 nm 480 nm 0.11 205 nm 278 nm 046 365 nm 400 benaene naphihalene ethraccne saphihacene nephthacene benzene anthracene Napthaleneem1.png chem3.png Part 3: Q9 Average absorbance Flask 8 Flask 9 Flask 10 Flask 11 Part 3: Q9 Flask 8 Flask 9 Flask 10 Flask 11 Part 3: Q10 Flask 8 Flask 9 Flask 10 Flask 11 Q Part 3 0.146 [Fe] -0.002mol/L 0.166 volume 5.00mL 0.215 0.294 [FESCN mol/L) ✪ 4.59* 10 5.18*10* 6.64 x 10 9.08*10* [Fe(mol/L) 5.00 x 10 5.00*10* Y=3362x -0.0083 R¹ 0.9993 5.00 x 10 5.00*10* (Amounts of flask 8 (9 - 11's values are in the spreadsheet) 1:1 Ratio so, Molarity of Fe(NO3))3 = 0.2M Volume of Fe(NO3))3 = 5.00mL 71% Moles of Fe³= Molarity x volume(L) Moles of Fe = 0.2M × 0.005L = 1× 10-³mole 68% [SCN ](mol/ 4 x 10-4 5 x 10-4 7*10* 1*10* الخا chem2.png Concentration of Fe³ 9, X = mole of Fe³1x10³ mole Volume 0.0054 Ⓒ 8, Average absorbance for solution 8 (same for 9 - 11) Average absorbance for flask 8 = sum of all absorbances / number of readings (0.145 +0.147 +0.148) 3 Using equation of calibration curve's line(slope) of best fit, the average absorbances of the unknown concentrations to determine…