1. (CH3)₂ CuLi 2. EtOH Draw the molecule(s) on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single bond is active by default. Show the appropriate stereochemistry by choosing the dashed or wedged buttons and then clicking a bond on the canvas. To change the bond type, select the Insert menu and change the Bond setting. 7 H 12D EXP. CONT

1. (CH3)₂ CuLi 2. EtOH Draw the molecule(s) on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single bond is active by default. Show the appropriate stereochemistry by choosing the dashed or wedged buttons and then clicking a bond on the canvas. To change the bond type, select the Insert menu and change the Bond setting. 7 H 12D EXP. CONT

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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8:23 PM Wed Feb 2 * 41% Question 10 of 30 O Done Draw the structural condensed form of 4-methyl-2-pentene. Atoms, Bonds and Rings Charges Draw or tap a new bond to see smart suggestions. Undo Remove Reset
5. Do the following structures represent resonance structures? If yes, identify them by stating the more stable and less stable. ? H ? c=0 b) H FCH2 H. H ? ? H-CE d) H
1. Arrange in the order of increasing bond C - C lengths (lowest to highest) C2H2, C2H4, C2H6 Atomic Numbers: C = 6, H =1 Group of answer choices A. C2H6 < C2H4 < C2H2 B. C2H4 < C2H6 < C2H2 C. C2H2 < C2H6 < C2H4 D. C2H6 < C2H2 < C2H4 E. C2H2 < C2H4 < C2H6 2. Which of the following has the highest boiling point? Atomic Numbers: C = 6, H = 1, O = 8, Ar = 18 Group of answer choices A. All of these have the same boiling point. B. Ar C. CH2O D. CH4 E. C2H6 3. A sample of wood from an Egyptian mummy case gives a 14C count of 6.1 cpm/gC (counts per minute per gram of carbon). How old is the wood? (The initial decay rate of 14C is 15.3 cpm/gC, and its half-life is 5730 years ?12=0.693?t12=0.693k ln[?]?=−??+ln[?]?ln⁡[A]t=−kt+ln⁡[A]o Group of answer choices A. 45610 B. 15203 C. 7600 D. 5369 E. 2295
Draw the molecule on the canvas by choosing buttons from the Tools (for bonds). Atoms, and Advanced Template toolbars. The single bond is active by default.
6. (a) In structure 3 of Model 2, the double bond electrons move to form a lone pair on oxygen. The arrow below shows the double bond electrons moving to form a lone pair on carbon. Draw the resulting resonance form (make sure to put in charges). HC :O: CH₂ 3 (b) Although this form is possible, it is not likely. As a group, discuss why the lone pair is more likely to reside on oxygen than on carbon. 7. Follow the resonance structure guidelines developed in question #4 above. For each pair below, determine whether the resonance structure on the right is an acceptable resonance structure of the form on the left. Place an X through any incorrect structures on the right of each pair, and indicate which of the items listed in question 4 were not followed. Once everyone in your group agrees, draw a correct resonance form. :0 [R-1 H H 4 H H CH₂ CH₂ |- N POGIL www.FOOIL.ORG
13. Which of the following cations rearranges to form the more stable ions shown. Pick all correct answers.
! 1 Predict the product of this organic reaction: O || HO–C—CH, CH3 + CH3-CH₂-OH Specifically, in the drawing area below draw the condensed structure of P. If there isn't any P because this reaction won't happen, check the No reaction box under the drawing area. No reaction Explanation 2 W Click anywhere to draw the first. atom of your structure. Check #3 E 4 R % 67 5 P + H₂0 5 T MacBook Pro 80 A 6 A S D F G Y & 7 H X 4:0 U 3 00 * © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy 8 ¿ J 4 1 ( 9 K ) 0 L
12. Provide one other contributing resonance form for structures A, B, and C. Show all electron movement using curved arrows. Between the two structures, circle the higher contributing resonance form. A B C ОН
Thionyl choride, SOCl2, is a reagent commonly used to convert the –OH group of an alcohol to a better leaving group. What is the formal charge on S in this molecule? A) +2 B) +1 C) 0 D) -1 E) -2
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Be sure to account for all bond- breaking and bond-making steps. HH ΚΘ Br Select to Add Arrows CH3CH2OK, CH3CH2OH heat OH :Br: O K → H
Using bond energies and the energy change of the reaction, calculate the bond energy of the CO double bond. Do not round your answer. C3H8 is propane C3H8 + 5O2 → 3CO2 + 4H2O . Bond Energy(kJ/mol) C-H 411 C-C 346 O=O 495 O-H 459 Reaction energy(kJ) -2047