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________radiation can cause molecular dissociation.
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UV
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Radio
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Infrared
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- Which kind of solvents are suitable for experiments involving spectroscopic analyses? A Spectroscopy grade B ACS grade Technical grade (D USP/NF grade10:38 W VPN 8.00 von 5.33% KB/S LTE2 expert.chegg.com/qna/authoring/my = Chegg Step 1 of 2 Answer →Predict arrow movement An arrow always depicts from a region of high electron density to low electron density; that is tail depicts a region of high electron density and the head depicts a region of low electron density. Explanation: Full solution this question Step 2 of 2 Answer ⇒Explain reaction mechanism ⇒The given reactant is alpha, beta- unsaturated carbonyl compound. ⇒It reacts with Dialkyl Cuprous lithium to form 1,4-addition product. This is a type of Michael addition reaction. This is a type of nucleophilic addition reaction. The alkyl nucleophile attacks the beta position. This is followed by protonation which gives the final product. Explanation: Full solution this question Final solution Answer →Final Solution Training 2 • ХAssignment 2 1- While cleaning out a laboratory shelf, you have made a mistake in labeling two bottles of propanol and propanone. To identify the molecular structure of the contents of the bottle, samples were submitted for analysis using infrared spectroscopy, based on the IR results, draw the molecular structure of the molecule that would correspond to the spectrum for that compound. Justify your answer Spectrum A Spectrum B 100- 0.a 0.6 04 02 4000 3000 2000 1500 1000 50 wavenumber (cmr) 2000 Wavenumber icm-) 3000 1000 ransmittance (%) Transmitance
- Struggling with this plz helpplease help Part II Data Analytical Wavelength read from the spectra (nm): Absorbance at the analytical wavelength for the 5 mL/5 mL mix Absorbance at the analytical wavelength for the 4 mL/6 ml mix 628.5 0.875 0.704 3. Find the molar extinction coefficient from the 4 mL/6 mL mix. Pathlength: 1.00 cm Volume of Brilliant Blue: 4,00 ml Volume of DI water. 6.00 ml Absorbance at the analytical wavelength for the 4 mL/6 ml mix: 0,704 Concentration of Brilliant Blue in the 4 mL/6 ml mix (M): Molar extinction coefficient from the 4 ml/6 mL mix (M cm') 4. Average molar extinction coefficient for Brilliant Blue (M cm)750 400 11. Short answer. Refer to the color wheel on the right. If a solution is illuminated with white light and absorbs all wavelengths between 480 and 560 nm, what color would it appear to be? Violet Red 430 630 Blue Orange 480 590 Green Yellow 560 12. Short answer. You will need the color wheel on the right. Look at the absorption spectrum of the solution shown on the right. What color would this solution be? 800 13. Short answer. Look at the image of a spectrophotometer on the right. Structures/knobs A-E are labeled. Which knob will you have to use to zero the instrument itself? 20D BIOLOG. 14. Short answer. According to Beer's Law, given that Molar Absorptivity and path length is usually constant, Absorbance A is directly proportional to 15. Choose the one answer that fits best. Which of these is not standard components of a spectrophotometer? a. A sample chamber to hold your tube with sample solution b. A light source c. A prism or grating to filter out certain wavelengths of…
- Mode of separation that uses a polar stationary phase: IEX HILIC SEC NPLC3. 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 800True or False. 1. The absorbance of a sample is equal to the negative logarithm of the transmittance. 2. Winkler method of dissolve oxygen determination is an example of iodometry. 3. A diazo compound is produced when nitrite is reacted with sulfanilamide in acidic solution. 4. Atomic Absorption Spectroscopy can be used to analyze the functional groups of organic substances. 5. A diode array spectrometer use an absorption or interference filters for wavelength selection and a photoelectric device for measuring radiant power. 6. The oxidation state for the manganese in the brown solid which precipitate in Winkler method is +3 7. In Winkler method, the iodine produced is oxidized during sodium thiosulfate titration to iodide ion. 8. When the pH of the solution is adjusted to pH greater than 12, the EDTA reacts with magnesium ions only, because calcium precipitates as calcium hydroxide.
- The spectrum below is the visible absorption spectrum of a dye. Based on the highest absorbance, what is the actual color of the solid dye? max = 630 nm Absorbance Select one: a. Green b. Red c. Orange Check 1.4 1.2 1 0.8 0.6 0.4 0.2 0 I I I 480 520 SOⓇ 560 SO 600 Wavelength (nm) 640 680 720Hello I just wanted to check my work and get a better explanation please.Convert the following infrared wavelengths to cm-1. 5.85 mm, typical for a ketone carbonyl