UESTION 2 Which answer correctly predicts the multiplicity (the number of peaks as a result of splitting) for each shaded proton in the (Assume the sample contains a trace of an acidic or basic impurity and is not ultrapure) HgC-C-OH Ha = 4, Hb = 1, Hc = 2 0 Ha 8, Hb = 2, Hc = 2 Ha 7, Hb = 1, Hc = 2 Ha = 5, Hb = 2, Hc = 2

UESTION 2 Which answer correctly predicts the multiplicity (the number of peaks as a result of splitting) for each shaded proton in the (Assume the sample contains a trace of an acidic or basic impurity and is not ultrapure) HgC-C-OH Ha = 4, Hb = 1, Hc = 2 0 Ha 8, Hb = 2, Hc = 2 Ha 7, Hb = 1, Hc = 2 Ha = 5, Hb = 2, Hc = 2

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter9: Atomic Absorption And Atomic Fluorescence Spectrometry

Section: Chapter Questions

Problem 9.19QAP

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10:38 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 • Х
(d) 3-13. Distis me Jum 4 A method of analysis yields weights for gold that are low by 0.4 mg. Calculate the caused by this uncertainty if the weight of gold in the sample is (a) 900 mg. (c) 150 mg. 1-7. The method described in Problem 3-6 is to be used for the analysis of ores that assay about 1.2% gold. What minimum sample weight should be taken if the relative error resulting from a 0.4-mg loss is not to exceed -0.2%? percent relative error (a) (b) (b) 600 mg. (d) 30 mg. 3-14. Wha stan stam 3-15. Сог mea (b) -0.5%? (a) -0.8%? (c) (d) 1.2%? 3.5 3-8. The color change of a chemical indicator requires an overtitration of 0.04 mL. Calculate the percent relative error if the total volume of titrant is (a) 50.00 mL. (c) 25.0 mL. 3-9. A loss of 0.4 mg of Zn occurs in the course of an analysis to determine that element. Calculate the per- cent relative error due to this loss if the weight of Zn in the sample is (a) 40 mg. (c) 400 mg. 3.1 3.1 (b) 10.0 mL. 3.3 2.5 (d) 40.0 mL. Fo (a (E (b) 175…
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A 20.0 mL sample was analyzed using the Mohr method. Calculate the percent (w/v) Br- (FM = 79.90) if 25.00 mL of 0.1234 M AgNO3 was used to form the yellow-orange endpoint. Group of answer choices 80.9% 4.93% 12.3% 1.23%
(b) A compound having molecular weight 151.163 g/mol is determined in a sample. A 0.0302 g sample was dissolved in an aqueous solvent and diluted the solution to 1 L. The solution has A max at 243 nm (ɛ=2.6×104 cm1 mol1 L). The solution exhibits an absorbance of 0.642 in a 2 cm cell. Calculate the percentage of the above compound in the sample.
d. dipôle moments between atoms. The mass spectrum of CH3F is given in the chart below. (a) Draw a likely structure for the molecular ion (m/z 34). (b) Assign structural formulas to the two other high abundance peaks (m/z 33 and m/z 15) in the spectrum. (c) Propose an explanation for the low abundance of the peak at m/z 19. Relative lon Abundance 100 80 60 40 20 _________g 10 15 MW: (g/mol) C=12 H₂= 3 F: 19 20 25 miz 30 35
1FbhGb6cd_1-5c/IV_Ivqu J4002epq/z4kbhpYZSIA opy ✩✩ IS Extensions Help I text Calibri. 12 +BIU A d f5 A % 5 T f6 1 5 J 1. Why is it recommended to have a carbon monoxide detector on each floor of a home? Page 4: Water Pollution: Questions i M 6 2. What impact would the increased use of electric vehicles have on environmental damage caused by acid rain? Page 3: More Air Pollution Issues: Questions 4. The COVID-19 pandemic forced many people to work from home for extended periods. During these periods, many cities reported unusually low levels of smog. Suggest an explanation for this observation. 5. Explain how ozone can be both harmful and beneficial. 3. Why is ground level ozone most likely to reach its highest concentrations on hot, sunny days during periods of heavy traffic in large cities? f7 Y []») 3 6. India relies heavily on burning coal to generate electricity. How does India's reliance on coal contribute to the poor air quality experienced in many of India's major cities? & 7 18…
Chemistry Common Isotopes and Mass spectrum of element Mo are given below Most common isotopes: Mo-98; Mo-96 Mo-95; Mo-92; Mo-97 ; Mo-100; Mo-94 Calculate the average atomic mass of Mo How the MS determined the relative intensity (Scale of 100) and Isotope abundance (%)? Why absolute intensity was not used? Can detector sensitivity, ICPMS temperature influence the relative intensity? Explain
Arrange the following steps according to the order of process in Mass spectrometry Ion Separation Ionization Output/Data Result Detection
Chlorine pentafluoride D (156) TESK - Green Sta B Final assessmentpdf - T Lab Reports - 202030 A www-awu.aleks.com/alekscgi/x/lIsl.exe/1o_u-IgNslkr7j8P3jH-lv-OZhvG1qYPWviNXOF96XoVW3_W7J0tF-2drAGbNSolpTW6rAkbtcy5PbEwUBck_5y4DIn88jVEEPfKWHKeGb8Pd1BB-lo?1oBw Gmail YouTube A Home - SUNY Broo. SUNY Broome Com. = Calculus Preface (?) E Brytwave Blackboard O Clutch Quizlet Knowledge Check Question 9 A student dissolves 14.9 g of potassium chloride (KCI) in 200. g of water in a well-insulated open cup. He then observes the temperature of the water fall from 20.0 °C to 15.2 °C over the course of 8.9 minutes. Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction: KCl(s) → K (aq) + Cl (aq) You can make any reasonable assumptions about the physical properties of the solution. Be sure answers you calculate using measured data are rounded to the correct number of significant digits. Note for advanced students: it's possible the…
10- Identify the molecular ion in this spectrum and what type of compound is this?. Click on image to enlarge Rel. Abundance ☎ 100. 80.- 60.- 40. 20.- 0 10. 45 -15 (6.6%) b) 46 20. MASS SPECTRUM 31 (100%) c) 47 (%0E) 67 30. m/z 40 (%29) St 46 (21%) 47 (0.5%)
7please help explain in detail the spec