LCPO CHEMISTRY W/MODIFIED MASTERING
8th Edition
ISBN: 9780135214756
Author: Robinson
Publisher: PEARSON
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Chapter 9, Problem 9.134SP
Suppose that a reaction has
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Complete the following table. The only density needed is already given. Show your
calculations in a neat and easy-to-follow manner in the space below the table. All units
should be included and significant figures should be given close attention. Be sure to notice
that the amount of material should be in millimoles rather than moles, and the theoretical
mass of the product should in milligrams rather than grams.
LOCH 3
+
H2SO4
HNO 3
O=C-OCH 3
NO2
x
H₂O
F.W.
4.0 mL 1.3 M
amount
0.50 mL
in H2SO4
mg Theoretical
Theoretical
mmoles
density
1.09
Kumada Coupling:
1. m-Diisobutylbenzene below could hypothetically be synthesized by Friedel-Crafts reaction. Write out the reaction with a
mechanism and give two reasons why you would NOT get the desired product.
Draw the reaction (NOT a mechanism) for a Kumada coupling to produce the molecule above from m-dichlorobenzene.
Calculate the theoretical yield for the reaction in question 2 using 1.5 g of p-dichlorobenzene and 3.0 mL isobutyl bromide.
What signals appeared/disappeared/shifted that indicate that you have your intended product and not starting material? What
other impurities are present in your product and how do you know?
Wintergreen from Aspirin:
1. In isolating the salicylic acid, why is it important to press out as much of the water as possible?
2. Write the mechanism of the esterification reaction you did.
3.
What characteristic absorption band changes would you expect in the IR spectrum on going from aspirin to salicyclic acid and
then to methyl salicylate as you did in the experiment today? Give approximate wavenumbers associated with each functional
group change.
What signals appeared/disappeared/shifted that indicate that you have your intended product and not starting material? What
other impurities are present in your product and how do you know?
Chapter 9 Solutions
LCPO CHEMISTRY W/MODIFIED MASTERING
Ch. 9 - Prob. 9.1PCh. 9 - Conceptual APPLY 9.2 How much work is done in...Ch. 9 - PRACTICE 9.3 The reaction between hydrogen and...Ch. 9 - Conceptual APPLY 9.4 The following reaction has E...Ch. 9 - Use the following thermo chemical equation to...Ch. 9 - APPLY 9.6 Approximately, 1.8106 kJ of energy is...Ch. 9 - Classify the following reaction as end o- or ex...Ch. 9 - APPLY 9.8 Instant hot packs and cold packs contain...Ch. 9 - PRACTICE 9.9 What is the specific heat of lead in...Ch. 9 - APPLY 9.10 Calculate the heat capacity (C) of a...
Ch. 9 - PRACTICE 9.11 When 25.0 mL of 1.0 M H2SO4 is added...Ch. 9 - Prob. 9.12ACh. 9 - When 1.00 g of toluene, C7H8, is burned in a bomb...Ch. 9 - Prob. 9.14PCh. 9 - Water gas is the name for the mixture of CO and H2...Ch. 9 - Prob. 9.16ACh. 9 - Prob. 9.17PCh. 9 - Prob. 9.18ACh. 9 - Use the data in Table 9.3 to calculate an...Ch. 9 - Benzene ( C6H6 ) has two resonance structures,...Ch. 9 - Prob. 9.21PCh. 9 - Prob. 9.22ACh. 9 - Prob. 9.23PCh. 9 - Prob. 9.24ACh. 9 - Prob. 9.25PCh. 9 - Prob. 9.26ACh. 9 - Prob. 9.27PCh. 9 - Prob. 9.28PCh. 9 - Prob. 9.29PCh. 9 - Prob. 9.30PCh. 9 - Prob. 9.31PCh. 9 - Prob. 9.32PCh. 9 - PROBLEM 9.33 A 12.0 gallon hold 39.9 kg of...Ch. 9 - A piece of dry ice (solid CO2) is placed inside a...Ch. 9 - Imagine a reaction that results in a change in...Ch. 9 - 9.32 Redraw the following diagram to represent the...Ch. 9 - 9.33 A reaction is carried out in a cylinder...Ch. 9 - Prob. 9.38CPCh. 9 - Prob. 9.39CPCh. 9 - Prob. 9.40CPCh. 9 - Prob. 9.41CPCh. 9 - Prob. 9.42CPCh. 9 - Prob. 9.43CPCh. 9 - What is the difference between heat and...Ch. 9 - What is internal energy?Ch. 9 - Prob. 9.46SPCh. 9 - Prob. 9.47SPCh. 9 - Which of the following are state functions, and...Ch. 9 - Prob. 9.49SPCh. 9 - Calculate the work done in joules by a chemical...Ch. 9 - The addition of H2 to C=C double bonds is an...Ch. 9 - Prob. 9.52SPCh. 9 - Prob. 9.53SPCh. 9 - 9.50 A reaction inside a cylindrical container...Ch. 9 - At a constant pressure of 0.905 atm, a chemical...Ch. 9 - RANWhen a sample of a hydrocarbon fuel is ignited...Ch. 9 - Used in welding metals, the reaction of acetylene...Ch. 9 - What is the difference between the internal energy...Ch. 9 - Prob. 9.59SPCh. 9 - The explosion of 2.00 mol of solid trinitrotoluene...Ch. 9 - The reaction between hydrogen and oxygen to yield...Ch. 9 - The enthalpy change for the reaction of 50.0 mL of...Ch. 9 - Assume that a particular reaction evolves 244 kJ...Ch. 9 - What is the enthalpy change ( H ) for a reaction...Ch. 9 - Prob. 9.65SPCh. 9 - Indicate the direction of heat transfer between...Ch. 9 - Indicate the direction of heat transfer between...Ch. 9 - The familiar "ether" used as an anesthetic agent...Ch. 9 - How much energy in kilojoules is required to...Ch. 9 - Aluminum metal reacts with chlorine with a...Ch. 9 - How much heat in kilojoules is evolved or absorbed...Ch. 9 - How much heat in kilojoules is evolved or absorbed...Ch. 9 - Nitromethane sometimes used as a fuel in drag...Ch. 9 - Prob. 9.74SPCh. 9 - How much heat in kilojoules is evolved or absorbed...Ch. 9 - Prob. 9.76SPCh. 9 - Prob. 9.77SPCh. 9 - Sodium metal is sometimes used as a cooling agent...Ch. 9 - Prob. 9.79SPCh. 9 - Assuming that Coca-Cola has the same specific heat...Ch. 9 - Calculate the amount of heat required to raise the...Ch. 9 - Instant cold packs used to treat athletic injuries...Ch. 9 - Instant hot packs contain a solid and a pouch of...Ch. 9 - When 1.045 g of CaO is added to 50.0 mL of water...Ch. 9 - When a solution containing 8.00 g of NaOH in 50.0...Ch. 9 - When 0.187 g of benzene, C6H6 , is burned in a...Ch. 9 - When 0.500 g of ethanol, C2H6O, is burned in a...Ch. 9 - When 1.50 g of magnesium metal is allowed to react...Ch. 9 - A 110.0 g piece of molybdenum metal is heated to...Ch. 9 - Citric acid has three dissociable hydrogens. When...Ch. 9 - Prob. 9.91SPCh. 9 - Prob. 9.92SPCh. 9 - Prob. 9.93SPCh. 9 - The industrial degreasing solvent methylene...Ch. 9 - Hess's law can be used to calculate reaction...Ch. 9 - Find H in kilojoules for the reaction of nitric...Ch. 9 - Set up a Hess's law cycle, and use the following...Ch. 9 - Prob. 9.98SPCh. 9 - Prob. 9.99SPCh. 9 - What phase of matter is associated with the...Ch. 9 - What is the phase of the standard states of the...Ch. 9 - Write balanced equations for the formation of the...Ch. 9 - Prob. 9.103SPCh. 9 - Prob. 9.104SPCh. 9 - Prob. 9.105SPCh. 9 - The standard enthalpy change for the reaction of...Ch. 9 - Prob. 9.107SPCh. 9 - Styrene ( C8H8 ), the precursor of polystyrene...Ch. 9 - Prob. 9.109SPCh. 9 - Prob. 9.110SPCh. 9 - Prob. 9.111SPCh. 9 - Prob. 9.112SPCh. 9 - Prob. 9.113SPCh. 9 - Prob. 9.114SPCh. 9 - Prob. 9.115SPCh. 9 - Prob. 9.116SPCh. 9 - Isooctane, C8H18, is the component of gasoline...Ch. 9 - Calculate an approximate heat of combustion for...Ch. 9 - Use the data in Table 9.3 to calculate an...Ch. 9 - Use the average bond dissociation energies in...Ch. 9 - Use the bond dissociation energies in Table 9.3 to...Ch. 9 - Prob. 9.122SPCh. 9 - Prob. 9.123SPCh. 9 - Prob. 9.124SPCh. 9 - Prob. 9.125SPCh. 9 - Tell whether the entropy changes for the following...Ch. 9 - Prob. 9.127SPCh. 9 - Prob. 9.128SPCh. 9 - Prob. 9.129SPCh. 9 - Prob. 9.130SPCh. 9 - Prob. 9.131SPCh. 9 - Tell whether reactions with the following values...Ch. 9 - Tell whether reactions with the following values...Ch. 9 - Suppose that a reaction has H=33kJ and S=58J/K. At...Ch. 9 - Suppose that a reaction has H=+41kJ and S=27J/K....Ch. 9 - Which of the reactions (a)-(d) in Problem 9.132...Ch. 9 - Vinyl chloride (H2C=CHCI), the starting material...Ch. 9 - Ethyl alcohol has Hfusion=5.02kJ/mol and melts at...Ch. 9 - Chloroform has Hvaporization=29.2kJ/mol and boils...Ch. 9 - The boiling point of a substance is defined as the...Ch. 9 - What is the melting point of benzene in kelvin if...Ch. 9 - Prob. 9.142SPCh. 9 - Methanol (CH3OH) is made industrially in two steps...Ch. 9 - Ethyl chloride ( C2H5CI ), a substance used as a...Ch. 9 - Prob. 9.145MPCh. 9 - For a process to be spontaneous, the total entropy...Ch. 9 - Prob. 9.147MPCh. 9 - Prob. 9.148MPCh. 9 - Prob. 9.149MPCh. 9 - Prob. 9.150MPCh. 9 - Phosgene, COCI2(g), is a toxic gas used as an...Ch. 9 - Prob. 9.152MPCh. 9 - Write a balanced equation for the reaction of...Ch. 9 - Hydrazine, a component of rocket fuel, undergoes...Ch. 9 - Prob. 9.155MP
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- Assign this H NMRarrow_forwardPlease complete these blanks need that asaparrow_forwardNitration of Methyl Benzoate: 1. Predict the major product for the reaction below AND provide a mechanism. Include ALL resonance structures for the intermediate. C(CH3)3 NO₂* ? 2. Assuming the stoichiometry is 1:1 for the reaction above, what volume of concentrated nitric acid would be required to mononitrate 0.50 grams of the compound above? What product(s) might you expect if you nitrated phenol instead of methyl benzoate? Explain your reasoning. What signals appeared/disappeared/shifted that indicate that you have your intended product and not starting material? What other impurities are present in your product and how do you know?arrow_forward
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