Compound A has molecular formula C7H7X. Its ¹H-NMR spectrum shows a singlet at 2.26 ppm and two doublets, one at 6.95 ppm and one at 7.28 ppm. The singlet has an integral of three and the doublets each have an integral of two. Its 13C-NMR shows five signals. The mass spectrum of A shows a peak at m/z = 170 and another peak at m/z = 172; the relative height of the two peaks is 1:1 respectively. - Identify what atom X is, explaining your reasoning - Identify Compound A, explaining your reasoning Compound A is treated with a mixture of nitric and sulfuric acids to generate Compound B. The ¹H-NMR spectrum of B shows two singlets, one at 2.52 pm and one at 8.13 ppm. The 13C-NMR spectrum of B shows five signals. The mass spectrum of B shows a peak at m/z = 260 and another peak at m/z = 262; the relative height of the two peaks is 1:1 respectively. - Identify compound B, explaining your reasoning Compound B is treated with sodium ethoxide to generate compound C. The ¹H-NMR spectrum of C shows four signals - a triplet at 1.24 ppm, a singlet at 2.32 ppm, a quartet at 4.14 ppm, and a singlet at 7.42 ppm. The 13C-NMR spectrum of C shows seven signals. - Identify compound C, explaining your reasoning

Compound A has molecular formula C7H7X. Its ¹H-NMR spectrum shows a singlet at 2.26 ppm and two doublets, one at 6.95 ppm and one at 7.28 ppm. The singlet has an integral of three and the doublets each have an integral of two. Its 13C-NMR shows five signals. The mass spectrum of A shows a peak at m/z = 170 and another peak at m/z = 172; the relative height of the two peaks is 1:1 respectively. - Identify what atom X is, explaining your reasoning - Identify Compound A, explaining your reasoning Compound A is treated with a mixture of nitric and sulfuric acids to generate Compound B. The ¹H-NMR spectrum of B shows two singlets, one at 2.52 pm and one at 8.13 ppm. The 13C-NMR spectrum of B shows five signals. The mass spectrum of B shows a peak at m/z = 260 and another peak at m/z = 262; the relative height of the two peaks is 1:1 respectively. - Identify compound B, explaining your reasoning Compound B is treated with sodium ethoxide to generate compound C. The ¹H-NMR spectrum of C shows four signals - a triplet at 1.24 ppm, a singlet at 2.32 ppm, a quartet at 4.14 ppm, and a singlet at 7.42 ppm. The 13C-NMR spectrum of C shows seven signals. - Identify compound C, explaining your reasoning

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Part A It takes 53.0 J to raise the temperature of an 9.80 g piece of unknown metal from 13.0°C to 24.2 °C. What is the specific heat for the metal? Express your answer with the appropriate units. ► View Available Hint(s) C₂ = 0.483 n Templates Symbols undo reco Resef keyboard shortcuts help 2/ J/gºc Submit Previous Answers X Incorrect; Try Again; 5 attempts remaining Enter your answer using units of specific heat. Parts B and C The next two questions pertain to silver. They have nothing to do with unknown metal described in Part A. Part B The molar heat capacity of silver is 25.35 J/mol °C. How much energy would it take to raise the temperature of 9.80 g of silver by 11.4°C? Express your answer with the appropriate units. View Available Hint(s) q= 26.2 J Submit Part C ✓ Correct Correct answer is shown. Your answer 26.26 J was either rounded differently or used a different number of significant figures than required for this part. Previous Answers What is the specific heat of silver?…
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Question 21 of 26 What is the change in enthalpy in joules when 5.44 x 10-4 mol of AgCI dissolves in water according to the following chemical equation: AgCI(s) – Ag*(aq) + Cl-(aq) AH = 65.5 kJ STARTING AMOUNT ADD FACTOR ANSWER RESET *( ) 1 1000 0.001 3.56 х 10° 0.0356 35.6 0.00831 65.5 6.022 x 1023 5.44 x 10-4 g Ag+ J g Cl- mol Ag* kJ mol AgCI g A9CI mol Cl-
Given the following data C2 H4 (9) + 302 (9) → 2 CO2(9) + 2H,0(1) 2C2 H6 (9) + 702(9) → 4 CO2(9) + 6H2O(1) 2H2 (g) + O2(9) → 2H,O(1) AH = -1411.0 kJ AH = -3119.8 kJ AH = -571.7 kJ calculate A H for the reaction C,H4 (9) + H2 (9) → C,H6 (g) ΔΗ= kJ Submit Answer Try Another Version 2 item attempts remaining
→ C app.101edu.co STARTING AMOUNT esc 1 X 2 F2 CO #m 3 1 The average adult human burns 2.00 × 10³ kcal per day in energy. What is this rate in kJ per hour ? J ADD FACTOR * ( ) X 4184 F4 $ 4 cal 0 349 2.00 × 10³ F5 % 5 kJ Question 26 of 35 O 1000 2.01 x 10⁰ min M 6 31 = 0.001 F7 ANSWER 24 kcal/day O & 7 1.15 x 105 20.0 C F8 S 8 RESET 2 4.184 F9 kcal X 9 F10 60 hr F F11 8 Jan 21 F1Z2 3:17 6 delete Submit + backspac
Help ce/acellus_engine.html?ClassID=1246112631# ew Student Orie. Using the data below, calculate the enthalpy for the oxidation of magnetite to hematite. 2FE3 O4(s) + O2(g) → 3FE2O3(s) Compound AH, (kJ/mol) f Fe,0,(s) -1118.4 0,(8) 0.0 Fe,0,(s) -824.2 AHn = [ ? ] kJ Enter either a + or - sign AND the magnitude. rxn Enthalpy (kJ) Enter
How many grams of C,H, must decompose according to the following chemical equation to transfer 430 kJ of heat? CH,(1) → 3 C,H,(g) AH = 630 kJ STARTING AMOUNT ADD FACTOR ANSWER RESET *( ) %3D 1000 2.15 x 107 630 17.8 53.3 6.022 x 1023 430 78.12 160 1 3 0.001 26.04 mol C,H, mol C,H, kJ g C,H, g CH, J 9.
← = Account Balance 1 substance Elanation 7 O STATES OF MATTER Predicting the relative boiling points of pure substances A 52°F Mostly cloudy B A Q Z Rank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on. 2 https://www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IBMBkpcnaFu0F7Uj... X chemical symbol, chemical formula or Lewis structure S .. : Cl: W CaCl₂ 0=N-CI: .. : Cl: / C=C Check Schedule Builder CL₂ **** # 3 E D .. : Cl: : Cl: .. H 14 td-jolch. $ 4 R X boiling point (Choose one) ✓ (Choose one) v (Choose one) ✓ F (Choose one) ✓ 1 do % 5 V Give to Queensborough X T G 6 L B & 27 H N * Announcements-2022 F. X All 10 ✔ 8 J DE ( || M 9 K ho ) ALEKS - Chisom Obidieg X + ——— O Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibil Ⓒ 40 D 12:42 PM 11/3/2022 O D…
Readir [References] Use the References to access important values if needed for this question. Expressing anmounts of energy in different energy units is necessary to solve many chemistry problems. For practice, complete the following table. The Joule (J) is the SI unit of energy. 1 calorie (cal) = 4.184 J cal kJ 596 110. 0.802 Submit Answer Try Another Version 1 item attempt remaining
A 60 g Butterfinger candy bar has 270 Cal, which is ____ kJ. a) 1.88 x 105 kJ b) 1130 kJ c) 1.07 x 104 kJ d) 188. kJ e) 10.7 kJ Please answer type in word don’t image upload thank you.