Elements Of Physical Chemistry
7th Edition
ISBN: 9780198727873
Author: ATKINS, P. W. (peter William), De Paula, Julio
Publisher: Oxford University Press
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Chapter 14, Problem 14B.2ST
Interpretation Introduction
Interpretation:
The pH of the isoelectric point of protein has to be estimated.
Concept Introduction:
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H
CH3
CH3
b) Write the products of your compound and the
following reagents.
If the reaction would not work for your compound,
write "no reaction" and explain
the problem.
NaCN
H*
H₂NNHCH5
H*
-à
NaBH
-à
CH2MgBr
Cro₁₂
--à
H3O+
-à
c) Would your compound give a positive Tollen's test?
Why or why not?
Homework 4
Chem 204
Dr. Hellwig
Consider this compound, which will be referred to as "your
compound".
a) Name your compound according to the IUPAC
system.
Include stereochemistry (E/Z/R/S)
H
CH3
CH3
What is the mechanism for this?
Chapter 14 Solutions
Elements Of Physical Chemistry
Ch. 14 - Prob. 14A.1STCh. 14 - Prob. 14A.2STCh. 14 - Prob. 14A.4STCh. 14 - Prob. 14A.5STCh. 14 - Prob. 14B.2STCh. 14 - Prob. 14B.3STCh. 14 - Prob. 14A.1ECh. 14 - Prob. 14A.2ECh. 14 - Prob. 14A.3ECh. 14 - Prob. 14A.4E
Ch. 14 - Prob. 14A.5ECh. 14 - Prob. 14A.6ECh. 14 - Prob. 14A.7ECh. 14 - Prob. 14B.1ECh. 14 - Prob. 14B.2ECh. 14 - Prob. 14B.3ECh. 14 - Prob. 14B.4ECh. 14 - Prob. 14.1DQCh. 14 - Prob. 14.2DQCh. 14 - Prob. 14.3DQCh. 14 - Prob. 14.4DQCh. 14 - Prob. 14.5DQCh. 14 - Prob. 14.6DQCh. 14 - Prob. 14.1PCh. 14 - Prob. 14.2PCh. 14 - Prob. 14.3PCh. 14 - Prob. 14.5PCh. 14 - Prob. 14.6PCh. 14 - Prob. 14.7P
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- 21.50 Determine the combinations of haloalkane(s) and alkoxide(s) that could be used to synthesize the following ethers through Williamson ether synthesis. (a) (c) (d) (e) (f) H₂COarrow_forward1. Arrange the following in order of increasing bond energy (lowest bond energy first, highest bond energy last). Provide your rationale. C=C, C-F, C=C, C-N, C-C List the bond order for each example.arrow_forwardWhat is the major enolate formed when treated with LDA? And why that one?arrow_forward
- 4. Calculate the total number of sigma bonds and total number of pi bonds in each of the following compounds. a. HH :D: +1 I H-N-C-C-O-H I H b. HH H Н :N=C-C-C=C-CEC-H :0: total o H-C-H H-C = `C-H I H. 11 H-C = C= CH H total o total π total π 1 Harrow_forwardIn the following reaction, what quantity in moles of CH₃OH are required to give off 4111 kJ of heat? 2 CH₃OH (l) + 3 O₂ (g) → 2 CO₂ (g) + 4 H₂O(g) ∆H° = -1280. kJarrow_forwardIndicate the processes in the dismutation of Cu2O.arrow_forward
- 1. Consider these three reactions as the elementary steps in the mechanism for a chemical reaction. 2600 2400 2200 2000 1800 1600 1400 1200 1000 800 Potential Energy (kJ) 600 400 200 0 -200- -400 -600- -800 (i) Cl₂ (g) + Pt(s) → 2Cl (g) + Pt(s) (ii) Cl (g)+ CO (g) + Pt (s) → CICO (g) + Pt (s) Ea = 1550 kJ Ea = 2240 kJ (iii) Cl (g) + CICO (g) → Cl₂CO (g) Ea = 2350 kJ AH=-950 kJ ΔΗ = 575 ΚΙ AH=-825 kJ a. Draw the potential energy diagram for the reaction. Label the data points for clarity. The potential energy of the reactants is 600 kJ Reaction Progress b. What is the overall chemical equation? c. What is the overall change in enthalpy for the above chemical reaction? d. What is the overall amount of activation energy for the above chemical reaction? e. Which reaction intermediate would be considered a catalyst (if any) and why? f. If you were to add 2700kJ of energy to the reaction (e.g. 2700 kl of heat or electricity), would you be able to make the reaction reverse itself (i.e. have…arrow_forwarddraw the enolate anion and the carbonyl that would be needed to make this product through an aldol addition reaction.arrow_forwardDraw the Michael Adduct and the final product of the Robinson annulation reaction. Ignore inorganic byproducts.arrow_forward
- Draw the Michael adduct and final product of the Robinson annulation reaction. Ignore inorganic byproductsarrow_forwardPost Lab Questions. 1) Draw the mechanism of your Diels-Alder cycloaddition. 2) Only one isomer of product is formed in the Diels-Alder cycloaddition. Why? 3) Imagine that you used isoprene as diene - in that case you don't have to worry about assigning endo vs exo. Draw the "endo" and "exo" products of the Diels-Alder reaction between isoprene and maleic anhydride, and explain why the distinction is irrelevant here. 4) This does not hold for other dienes. Draw the exo and endo products of the reaction of cyclohexadiene with maleic anhydride. Make sure you label your answers properly as endo or exo. 100 °C Xylenes ??? 5) Calculate the process mass intensity for your specific reaction (make sure to use your actual amounts of reagent).arrow_forwardIndicate the product(s) A, B C and D that are formed in the reaction: H + NH-NH-CH [A+B] [C+D] hydrazonesarrow_forward
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