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- C8H8O produces an IR spectrum with 3063, 1686, 1646 cm signals. HNMR is a singlet at 2.6ppm (3H), and multiplet at 7.5 (5H). What is the product3. 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 800In determining the concentration of a sample X, it was found that it has maximum absorbance at 275 nm. Compound X, has molar absorptivity at 275 nm of 8400 L / mol.cm. Using a spectrophotometer with a 1 cm cuvette, an absorbance of 0.70 was found. What is the concentration of compound X in the sample?
- heres the data TZ # Concentration Absorbance at 430 nmnm 1 33.6480 0.931 2 25.2360 0.757 3 16.8420 0.210 4 8.41200 0.137 5 4.20600 0.122The IR spectrum below belongs to an organic compound A having one nitrogen atom. Determine which structures that fits to the IR spectrum. Justify your answer by providing two (2) IR absorption peaks with their wavenumber. CN NH2 Ahsorbance / 4 50 100- 4000 3000 2500 2000 1500 1000 500 Wavenumbers / cma) The UV-vis spectrum of an unknown drug shows a primary absorption peak at 300 nm and secondary peak at 280 nm. Sketch the UV-vis and fluorescence spectrum that are consistent with the observations. Spektrum UV-vis ubat yang tidak diketahui menunjukkan puncak penyerapan primer pada 300 nm dan puncak sekunder pada 280 nm. Lakarkan spektrum UV-vis dan pendarfluor yang konsisten dengan pemerhatian. b) Draw a Jablonski Diagram that illustrates the formation of absorption and subsequent emission of fluorescence. Lukiskan rajah Jablonski yang menggambarkan pembentukan penyerapan dan pancaran pendarfluor yang seterusnya.
- Which of the compounds match the IR spectrum shown below? Answer choices are shown below the spectrum. TRANSMITTANCE 0.8 0.6 0.4 0.2 A 3000 A B с D Wavenumber (cm-1) NIST Chemistry WebBook (http://webbook.nist.gov/chemistry) 2000 NH₂ B D "NH₂ 1000 OHWhich kind of solvents are suitable for experiments involving spectroscopic analyses? A Spectroscopy grade B ACS grade Technical grade (D USP/NF grade1- While cleaning out a laboratory shelf, you have made a mistake in labeling two bottles of ethanol and acetic acid. 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 04 02 3000 2000 Wavenumber iom-1) 1000 Transmitance
- Can someone help me interpret this data to be put on my research paper? This is the absorbance spectrum fo Sulfamethoxazole (sulfonamide antibiotic). Thank you so much!Beside each spectrum, list the important IR absorbances and the type of bond causing each signal. Draw the structure that produced each spectrum inside the spectrum. Br HO LO0 D 4000 3000 2000 1500 1000 HAVENUMBERI -ilUnrounded Rounded ε∗,L/μmol 0.0259825 0.0260 Heres the data if needed: TZ # Concentration Absorbance at 430 nmnm 1 33.6480 0.931 2 25.2360 0.757 3 16.8420 0.210 4 8.41200 0.137 5 4.20600 0.122