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21,22,23,25

21,22,23,25

Chemistry
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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21,22,23,25
8 e. 10 20. Identify the size of the hydrocarbon that is used in jet fuel. a. C₁-C4 b. C5-C12 C. C12- C18 d. C20 and higher nonvolatile liquids e. C20 and higher nonvolatile solids 21. Which of the following is the correct Newman projection for the following compound as viewed down the indicated bond in the conformation shown? cl H₂ CI.H H..9 CI CH3 Br · CH3 H. CI CH3 CI Br CH3 H* y ABCDE CH3- B. 1 CH3 11 CH Br CH3 CH3 CH3 a. I b. Il d. IV e. V 22. Which of the following is a Newman projection of a staggered conformation for ethane? H HH H HCH3 HCH3 -CH3 H CH3 H Hy H HH H H H H IV V 23. Consider the energy diagram showing the conformational analysis of propane and match the indicated position with the correct conformation below. H CH₂ H CH3 CH3 CI Br CI Br CI H CH3 CI Br H CI
Transcribed Image Text:8 e. 10 20. Identify the size of the hydrocarbon that is used in jet fuel. a. C₁-C4 b. C5-C12 C. C12- C18 d. C20 and higher nonvolatile liquids e. C20 and higher nonvolatile solids 21. Which of the following is the correct Newman projection for the following compound as viewed down the indicated bond in the conformation shown? cl H₂ CI.H H..9 CI CH3 Br · CH3 H. CI CH3 CI Br CH3 H* y ABCDE CH3- B. 1 CH3 11 CH Br CH3 CH3 CH3 a. I b. Il d. IV e. V 22. Which of the following is a Newman projection of a staggered conformation for ethane? H HH H HCH3 HCH3 -CH3 H CH3 H Hy H HH H H H H IV V 23. Consider the energy diagram showing the conformational analysis of propane and match the indicated position with the correct conformation below. H CH₂ H CH3 CH3 CI Br CI Br CI H CH3 CI Br H CI
nú 180 180 dihedral angle HH H. H HH H 11 Geue CH3 H CH3 HCH3 HH H H H IV ||| E. 24. Which of the following is a gauche conformation for butane? HCH3 HCH3 CH3 H CH3 HH CH3 H CH3 H Η H. CH3 CH3 CH3 H H ||| 11 25. What is the eclipsing cost of Br and H if the energy difference between the staggered and eclipsed conformations of bromoethane, shown in the box below, is 13 kJ/mol? Br H CH3 ===>> ABCDE A. B. IV D. I ==> CH3 H H HCH3 HH H V CH3
Transcribed Image Text:nú 180 180 dihedral angle HH H. H HH H 11 Geue CH3 H CH3 HCH3 HH H H H IV ||| E. 24. Which of the following is a gauche conformation for butane? HCH3 HCH3 CH3 H CH3 HH CH3 H CH3 H Η H. CH3 CH3 CH3 H H ||| 11 25. What is the eclipsing cost of Br and H if the energy difference between the staggered and eclipsed conformations of bromoethane, shown in the box below, is 13 kJ/mol? Br H CH3 ===>> ABCDE A. B. IV D. I ==> CH3 H H HCH3 HH H V CH3
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