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Propose a structural formula for compound A, C5H13N, given its IR and calculated 1H-NMR spectra.
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- 2. The molar absorptivity of compound A & B were measured with pure solutions as follows: wavelength (nm) Ea (M'cm-') 2139 EB (M-'cm-') 8469 312 417 10892 4325 (a) Calculate the frequency at wavelength of 312 nm and 417 nm. What wavelength has the greatest frequency? What wavelength has the greatest energy (show your calculation)? (b) A mixture of compound A and B in a 1.00 cm cell had an absorbance of 0.543 at 312 nm and 0.762 at 417 nm. Find the concentrations of A and B in the sample. 3. Given the molar absorptivity of a pH indicator at 525 nm is 16884 M-'cm for In and 1125 M-'cm- for HIn, calculate the pKa of the indicator if the absorbance of a 8.40 X 105 M solution of the indicator at pH 5.48 is 0.412 using a 1.00 cm cell.F054L.d X E PLQ-PHY2054L.d X Properties of Wav X G wavelength symb X Immunization int X genow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take ... late Open Vellum Course Home [Review Topics] [References] How many kinds of chemically non-equivalent hydrogens are there in each of the following compounds? он CH-CH-CH–CN The number of chemically non-equivalent hydrogens is a он CH,-CH-CH,-CH, The number of chemically non-equivalent hydrogens isCengage Learnin ✓ Cengage Learnin ✓ Cengage Learnin OWLv2 | Online ✓ b-cnow-owl.ceng X what are the unit X ChatGPT Buy iPhone 15 a ✓ prod03-cnow-owl.cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator-assignment-take Ex3 CH 14 and 15 [References] at 328.0 K. Find the rate constant at 315.4 K. The value of gas constant is 8.3145 × 10¯³ kJ/K · mol. Question 1 1 pt The gas-phase reaction Question 2 1 pt 2 N2O5 (g) 4 NO2(g) + O2(g) Question 3 × 2 pts 1 Question 4 2 pts min 1 has an activation energy of 103 kJ/mol, and the rate constant is 0.0900 min Rate constant = Question 5 1 pt Submit Answer Try Another Version 2 item attempts remaining Question 6 2 pts Question 7 1pt Question 8 2 pts Question 9 1 pt Question 10 2 pts Question 11 1 pt Question 12 1 pt Question 13 1 pt Question 141pt Question 151pt Progress: 14/15 items Due Mar 28 at 11:45 PM Finish Assignment Messages Ο 31 38,088 MAR 28 Previous Next Email Instructor Save and ExitSyllabus for SP2021 CH x My Home x OWLV2 | Online teachin x MindTap - Cengage Le: x Shopping Cart X. now.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=Dassignment-take え☆( Update L Dashboard we Login | BlazerlD Digital Learning &.. us Calculus Testbank -.. X Excel Do Desmos | Graphing... h Hulu S Solutions to Stewar... I Mechanisms Review Topics) References] r.. 1 pts 2req Use the References to access important values if needed for this queztion. ns.. 1 pts 2req The rearrangement of cyclopropane to propene at 500 °C (CH,),→CH;CH=CH, -1 is first order in (CH,), with a rate constant of 6.70x10 s. en... 1 pts 2req s have passed. If the initial concentration of (CH,), is 8.35×10- M. the concentration of (CH,), will be 1.73x10- M after ons.. 1 pts 2req fo 1 pts 2req Retry Entire Group 9 more group attempts remaining Submit Answer ons 1 pts 2req 1 pts 2req ms L. 1 pts 2req Previous Eerial Instructor Save and Exit 2:09 PM >国日后会 1/31/2021Ineachofthe following parts, a molecularformula is given. Try to deduce thestructurethat isconsistent with the infrared spectrum. There may be more than one possible answer. a. C3H5O2CI (Hint: chloride located at the a-position) MICRONS 1002,5 5 6 10 11 12 13 14 15 16 19 90 80 70 60 50 40 30 CaH,O2GI 20 1728 cm 1 10 1400 WAVENUMBERS (CM-') 4000 3600 3200 2800 2400 2000 1800 1600 1200 1000 800 600 400 % TRANSMITTANCEpavia Spectroscopy fifth edition page 278 ques 10 and page 281 ques 19Mass Spectrum 1000 - 800.0 600.0 400.0 200.0 0.000- 50.00 100.0 m/z 150.0 200.0 lamalan saldassallaalan C-H;BRO, D00 3000 2000 1000 500 HAVENUNBERIl AbundanceA certain compound was known to have a formula which could be represented as [PdCxHyN₂ ](ClO4)2. Analysis showed that the compound contained 30.15% carbon, 5.06% hydrogen. When converted to the corresponding thiocyanate, [PdC₂H₂N₂ ](SCN)₂, the analysis was 40.46% carbon and 5.94% hydrogen. Calculate the value of x, y, and z. Ox=14, y = 28, z= 4 x = 28, y = 4, z= 14 Ox= 14, y = 4, z= 28 O x = 4, y = 14, z = 286. Mail - Burgess, Grac S Sakai @ PC : FA21CHN X OWLV2 | Online teach x 02 Fall202) * 1 Plato Reading.pdf now.com n/takeAssignment/takeCovalentActivity.do?locator=Dassignment-take Image result for sp.. M Gmail O YouTube 9 Maps Attendance March.. M ClassroomClipboar. RCM RealClearMarkets 4.. [References] Menthol, from oil of mint, has a characteristic odor. The compound contains only C, H, and O. If 83.1 mg of menthol burns completely in O2, and gives 234 mg of CO2 and 95.8 mg of H2 0, what is the empirical formula of menthol? (Enter the elements in the order: C, H, O.) Empirical formula: Submit Answer Try Another Version 10 item attempts remaining Previous Next 60°F 4) ENG 10/11/2 dy ins prt sc f8 f12 delete 6) Olyrive - Google X O Logout Successful X OMail - Martin, And X e Registration - Lifer x D Sign In w.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take [Review Topics) [References] Use the References access important values if needed for this question. Be sure to specify states such as (aq) or (s). If a box is not needed leave it blank. If no reaction occurs leave all boxes blank and click on "submit" Write the balanced NET IONIC equation for the reaction that occurs when hydrofluoric acid and potassium hydroxide are combined. This reaction is classified as A. Strong Acid + Strong Base B. Weak Acid + Strong Base C. Strong Acid + Weak Base D. Weak Acid + Weak Base The extent of this reaction is: A. Below 50% B. 50% C. Above 50% D. 100% Submit Answer Retry Entire Group 8 more group attempts remaining Previous Next 10/ 近A certain compound was known to have a formula which could be represented as [PdCxHyN₂ ](ClO4)2. Analysis showed that the compound contained 30.15% carbon, 5.06% hydrogen. When converted to the corresponding thiocyanate, [PdC₂H₂N₂ ](SCN)₂, the analysis was 40.46% carbon and 5.94% hydrogen. Calculate the value of x, y, and z.LEKS - Brittney Alvarez - Leam /alekscgi/x/Isl.exe/1o_u-lgNslkr7j8P3jH-liGmxpvVN4ENzvdYC-70kXyMz36BqJhw3sVP-BxK_53zl8Tf7PSmOkvprMFImNhBhubnrMFFRG2do9Q_LSoq981YO_PCy8o?1oBw7QYjlbavbSPXtx-YCjsh_7mMmrq" gmail * e alvarez family blog + a amazon O onedrive V Blackboard Leam Official Miami Dade. A Rate My Professors.. * Course Hero D HiMovies.to | Watc. Disney+ | Movies a O CHEMICAL REACTIONS Percent yield of chemical reactions Brittm Liquid octane (CH;(CH,) CH;) reacts with gaseous oxygen gas (02) to produce gaseous carbon dioxide (CO2) and gaseous water CH.) (H,0). If 7.40 g of water is produced from the reaction of 9.14 g of octane and 49.0 g of oxygen gas, calculate the percent yield of water. Round your answer to 3 significant figures. % IIISEE MORE QUESTIONS