4. The solution of the HMOs for the allyl cation gives the following in order ofincreasing electronic energy:H₂C+CH2¥₁ = (1/2) 1 + [1/(SQRT 2)] 2 + (1/2) 03¥2 = [1/(SQRT 2)] 1 - [1/(SQRT 2)] $3=-Y3 (1/2) 01 [1/(SQRT 2)] 2 + (1/2) 03Given these solutions, draw the three MOs with the correct phases and relativesizes. (10 points)

4.The size of the dot represents the magnitude of the orbital coefficient and the color represents…

Answered: 4. The solution of the HMOs for the…

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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10. The following reaction has variation of free energy value of AG = -2.1 kJ/mol CH;Br + H2S 2 CH;SH + HBr (a) Calculate Keq at room temperature (25°C) for this reaction as written. (b) Starting with a 1 M solution of CH3B and H2S, calculate the final concentrations of all four species at equilibrium.
Find the AHrn for the following reaction: 2N29) + 502(9) → 2N,O5(9) given the following reactions and subsequent AH° values 2H2(9) + O2(9) → 2H,Ou) N½O5(9) + H2Ou → 2HNO3(1) AH° = -541.6 kJ AH° = -54.6 kJ %D N2(9) + 302(9) + H2(9) → 2HNO3(1) AH° -331.1 kJ
Pentaborane BgHg(s) burns vigorously in O2 to give B203(s) and H20(1). Calculate AHrxn for the combustion of 5.00 mol of B5H9. AH(B203(s)) = -1,273.5 kJimol AHAB5H9/s)) = 73.2 KJ/mol AH(H20(0) = -285.8 kJ/mol Multiple Choice - 22.700 kJ - 8,790 kJ 45,400 kJ - 45.400 kJ - 9,090 kJ
(ii) Dihedral potentials for ethane and biphenyl are shown below. 180 Dihedral angle / degrees 180 270 360 90 270 360 90 Dihedral angle / degrees Ethane Biphenyl Which terms in the dihedral potential above would likely be non-zero for each of these?
Bromoscresol green, Ka = 2.0 x 10-5 is yellow in its protonated form (HX) and blue in its ionized form (X-). At what pH will bromoscresol green be a perfect green colour? Express your answer to one decimal place.
Calculate AH for the reaction: 3C + 4H, -> CH; ΔΗ = ?? rxn Using the following data: AH = - 2220.1 KJ/mol 3C0, + 4H,0 02 -> Co, 50, --> AH = - 393.5 KJ/mol H2 1/202-> H,0 AH =- 285.8 KJ/mol a. -58.95 KJ/mol O b. +103.6 KJ/mol O c. -10.36 KJ/mol O d. -103.7 KJ/mol
please make the explanation clear and thank you for your help
10. The following reaction has variation of free energy value of AG = -2.1 kJ/mol CH,Br + H,S CH3SH + HBr (a) Calculate Keq at room temperature (25°C) for this reaction as written. (b) Starting with a 1 M solution of CH3Br and H2S, calculate the final concentrations of all four species at equilibrium.
Use one of the terms SN1, SN2, El or E2 to describe each of the following chemical reactions Choose the correct match for each CH;CH,O Na+ ..Choose ethanol ..Choose NaOH Br H,0, heat -..Choose TsO CH3 ...Choose Nal CH3 I CHa acetone CHa NaSH -.Choose DMSO SH KCN -..Choose CI DMSO CN -...Choose NANH2 OTs NH3 -..Choose NH3 TSO H2N КОН Но ...Choose Br DMSO Ili.
1. (a) Write the chemical equation indicating the stepwise displacement of coordinated H20 by NH3 for the following reaction. [Ni(H20)6]?* + XNH3 -> [Ni(H2O)6-x (NH3)x]"(aq) + X2H2O (b) The log Kn values for the reaction are given in the table below. Comment on the trend. Log K1 K2 K3 K4 Ks K6 2.8 2.24 1.73 1.19 0.75 0.03
Would you help me with these (5) Thank you.
On the following page are three compounds, 1, 2, and 3, that have been investigated as anti-malarial candidates. Compound 1 is the "parent" molecule, and 2 and 3 are derivatives. Shown next to each molecule is (i) the enthalpy change when it binds to its target, and (ii) the dissociation constant for the molecule/target complex. Consider the structures and answer the following: AH = - 1.2 kcal/mol; Kp = 16 nM OH 1 HO AH = - 6.0 kcal/mol; Kp = 76 nM OH AH = - 5.5 kcal/mol; Kp = 0.5 nM OH 3 (i) What is the difference among 1, 2, and 3?

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