Organic Chemistry-Package(Custom)
4th Edition
ISBN: 9781259141089
Author: SMITH
Publisher: MCG
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Chapter 9, Problem 9.70P
Devise a stepwise mechanism for the following reaction.
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6. The equilibrium constant for the reaction
2 HBr (g)
→ H2(g) + Br2(g)
Can be expressed by the empirical formula
11790 K
In K-6.375 + 0.6415 In(T K-¹)
-
T
Use this formula to determine A,H as a function of temperature. Calculate A,-H at 25 °C and at
100 °C.
3. Nitrosyl chloride, NOCI, decomposes according to
2 NOCI (g) → 2 NO(g)
+ Cl2(g)
Assuming that we start with no moles of NOCl (g) and no NO(g) or Cl2(g), derive an expression
for Kp in terms of the equilibrium value of the extent of reaction, Seq, and the pressure, P.
Given that K₂ = 2.00 × 10-4, calculate Seq/
of
29/no when P = 0.080 bar. What is the new value
по
ƒª/ at equilibrium when P = 0.160 bar? Is this result in accord with Le Châtelier's
Principle?
Consider the following chemical equilibrium:
2SO2(g) + O2(g) = 2SO3(g)
•
Write the equilibrium constant expression for this reaction.
Now compare it to the equilibrium constant expression for the related reaction:
•
.
1
SO2(g) + O2(g) = SO3(g)
2
How do these two equilibrium expressions differ?
What important principle about the dependence of equilibrium constants on the stoichiometry of a
reaction can you learn from this comparison?
Chapter 9 Solutions
Organic Chemistry-Package(Custom)
Ch. 9 - Draw all constitutional isomers having molecular...Ch. 9 - Prob. 9.2PCh. 9 - Give the IUPAC name for each compound.Ch. 9 - Problem 9.3 Give the structure corresponding to...Ch. 9 - Prob. 9.5PCh. 9 - Name CH33COCH3, a gasoline additive commonly...Ch. 9 - Name each epoxide.
a. (two ways) b. c. (two...Ch. 9 - Problem 9.6 Rank the following compounds in order...Ch. 9 - Which mechanism is favored by the use of crown...Ch. 9 - Draw the organic product of each reaction.
Ch. 9 - Prob. 9.11PCh. 9 - Prob. 9.12PCh. 9 - Prob. 9.13PCh. 9 - Prob. 9.14PCh. 9 - Problem 9.13 Draw the structure of each...Ch. 9 - What other alkene is also formed along with Y in...Ch. 9 - Prob. 9.17PCh. 9 - Explain how the reaction of CH32CHCHCl CH3 with...Ch. 9 - Prob. 9.19PCh. 9 - Draw the products of each reaction, indicating the...Ch. 9 - Problem 9.19 What is the major product formed...Ch. 9 - Prob. 9.22PCh. 9 - Prob. 9.23PCh. 9 - Problem 9.22 Draw the organic products formed in...Ch. 9 - Problem 9.23 Draw two steps to convert into each...Ch. 9 - Draw the products of each reaction, and indicate...Ch. 9 - Draw the products of each reaction, and include...Ch. 9 - Draw the products formed when (S)-butan-2-ol is...Ch. 9 - Prob. 9.29PCh. 9 - Prob. 9.30PCh. 9 - Explain why the treatment of anisole with HBr...Ch. 9 - Prob. 9.32PCh. 9 - The cis and trans isomers of 2, 3-dimethyloxirane...Ch. 9 - Problem 9.36 Draw the product of each...Ch. 9 - 9.37 Name each compound depicted in the...Ch. 9 - Answer each question using the ball-and-stick...Ch. 9 - Prob. 9.37PCh. 9 - a. Draw the structure of 1, 2, and 3 alcohol with...Ch. 9 - Give IUPAC name for each alcohol. a....Ch. 9 - Name each ether and epoxide. a.b.c.d.Ch. 9 - Prob. 9.41PCh. 9 - Draw the eight constitutional isomers with...Ch. 9 - Rank each group of compounds in order of: a....Ch. 9 - Prob. 9.44PCh. 9 - 9.44 Why is the boiling point of higher than...Ch. 9 - Draw the organic products formed when CH3CH2CH2OH...Ch. 9 - Draw the organic products formed when 1-methyl...Ch. 9 - What alkenes are formed when each alcohol is...Ch. 9 - Prob. 9.49PCh. 9 - Prob. 9.50PCh. 9 - 9.48 Draw the products of each reaction and...Ch. 9 - Prob. 9.52PCh. 9 - 9.52 Draw a stepwise mechanism for the following...Ch. 9 - 9.53 Although alcohol V gives a single alkene W...Ch. 9 - Prob. 9.55PCh. 9 - Prob. 9.56PCh. 9 - Prob. 9.57PCh. 9 - When CH3CH2CH2CH2OH is treated with H2SO4 NaBr,...Ch. 9 - 9.57 Draw a stepwise, detailed mechanism for the...Ch. 9 - Prob. 9.60PCh. 9 - Draw two different routes to each of the following...Ch. 9 - Prob. 9.62PCh. 9 - Prob. 9.63PCh. 9 - 9.62 Draw a stepwise mechanism for each...Ch. 9 - Draw a stepwise, detailed mechanism for the...Ch. 9 - Prob. 9.66PCh. 9 - Draw the products of each reaction. a.c. b.d.Ch. 9 - When each halohydrin is treated with, a product of...Ch. 9 - Prob. 9.69PCh. 9 - Devise a stepwise mechanism for the following...Ch. 9 - Draw the products of each reaction, and indicate...Ch. 9 - Prepare each compound from CH3CH2CH2CH2OH. More...Ch. 9 - Prepare each compound from cyclopentanol. More...Ch. 9 - 9.72 Identify the reagents (a–h) needed to carry...Ch. 9 - Prob. 9.75PCh. 9 - 9.74 Treatment of with affords compound A and ....Ch. 9 - Prob. 9.77PCh. 9 - Prob. 9.78PCh. 9 - 9.77 Draw a stepwise, detailed mechanism for the...Ch. 9 - Dehydration of 1, 2, 2-trimethylcyclohexanol with...Ch. 9 - Prob. 9.81PCh. 9 - 9.80 Draw a stepwise mechanism for the following...Ch. 9 -
9.81 Aziridines are heterocycles that contain an...
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- Given Kp for 2 reactions. Find the Kp for the following reaction: BrCl(g)+ 1/2 I2(g) ->IBr(g) + 1/2 Cl2(g)arrow_forwardFor a certain gas-phase reaction at constant pressure, the equilibrium constant Kp is observed to double when the temperature increases from 300 K to 400 K. Calculate the enthalpy change of the reaction, Ah, using this information.arrow_forwardHydrogen bonding in water plays a key role in its physical properties. Assume that the energy required to break a hydrogen bond is approximately 8 kJ/mol. Consider a simplified two-state model where a "formed" hydrogen bond is in the ground state and a "broken" bond is in the excited state. Using this model: • Calculate the fraction of broken hydrogen bonds at T = 300 K, and also at T = 273 K and T = 373 K. • At what temperature would approximately 50% of the hydrogen bonds be broken? • What does your result imply about the accuracy or limitations of the two-state model in describing hydrogen bonding in water? Finally, applying your understanding: • Would you expect it to be easier or harder to vaporize water at higher temperatures? Why? If you were to hang wet laundry outside, would it dry more quickly on a warm summer day or on a cold winter day, assuming humidity is constant?arrow_forward
- (3 pts) Use the Kapustinskii equation to calculate the lattice enthalpy for MgBr2 anddiscuss any differences between this result and that from #4.arrow_forward(3 pts) Silver metal adopts a fcc unit cell structure and has an atomic radius of 144 pm. Fromthis information, calculate the density of silver. Show all work.arrow_forward4. (3 pts) From the information below, determine the lattice enthalpy for MgBr2. Show all work. AH/(kJ mol-¹) Sublimation of Mg(s) +148 lonization of Mg(g) +2187 to Mg2+(g) Vaporization of Br₂(1) +31 Dissociation of Br,(g) +193 Electron gain by Br(g) -331 Formation of MgBr₂(s) -524arrow_forward
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