CHEMISTRY-MASTERINGCHEMISTRY W/ETEXT
8th Edition
ISBN: 9780135204634
Author: Robinson
Publisher: PEARSON
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Chapter 3, Problem 3.53SP
What is the molecular weight of cholesterol if 0.5731mol weighs 221.6 g?
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Draw the stepwise mechanism for the reactions
Part I.
a)
Draw reaction mechanism for the transformations of benzophenone to benzopinacol to benzopinaco lone
b) Pinacol (2,3-dimethyl, 1-3-butanediol) on treatment w/ acid gives a mixture of pina colone
(3,3-dimethyl-2-butanone) and 2, 3-dimethyl - 1,3-butadiene. Give reasonable mechanism
the formation of
the products
For
3. The explosive decomposition of 2 mole of TNT (2,4,6-trinitrotoluene) is shown below:
Assume the C(s) is soot-basically atomic carbon (although it isn't actually atomic carbon in real life).
2
CH3
H
NO2
NO2
3N2 (g)+7CO (g) + 5H₂O (g) + 7C (s)
H
a. Use bond dissociation energies to calculate how much AU is for this reaction in kJ/mol.
Chapter 3 Solutions
CHEMISTRY-MASTERINGCHEMISTRY W/ETEXT
Ch. 3 - Prob. 3.1PCh. 3 - If blue spheres represent nitrogen atoms and red...Ch. 3 - Prob. 3.3PCh. 3 - APPLY 3.4 The major ingredient in ordinary safety...Ch. 3 - Calculate the molecular weight of sulfuric acid...Ch. 3 - Conceptual APPLY 3.6 Use the structural formula of...Ch. 3 - PRACTICE 3.7 How many moles arc in 5.26 g of...Ch. 3 - APPLY 3.8 When a diabetic experiences low blood...Ch. 3 - PRACTICE 3.9 Aspirin is prepared by reaction...Ch. 3 - APPLY 3.10 Refer to the balanced reaction for the...
Ch. 3 - PRACTICE 3.11 Ethyl alcohol is prepared...Ch. 3 - APPLY 3.12 (a) Diethyl ether (C4H10O), the “ether”...Ch. 3 - Conceptual PRACTICE 3.13 The following diagram...Ch. 3 - Conceptual APPLY 3.14 Draw a diagram similar to...Ch. 3 - Lithium oxide is used aboard the space shuttle to...Ch. 3 - APPLY 3.16 After lithium hydroxide is produced...Ch. 3 - PRACTICE 3.17 What is the empirical formula of the...Ch. 3 - Conceptual APPLY 3.19 Use the structural formula...Ch. 3 - PRACTICE 3.20 Menthol, a flavouring agent obtained...Ch. 3 - PRACTICE 321 Combustion analysis is performed on...Ch. 3 - PRACTICE 3.23 A compound has an empirical formula...Ch. 3 - APPLY 3.24 Combustion analysis was performed on...Ch. 3 - Prob. 3.23PCh. 3 - Match the terms percent yield and percent atom...Ch. 3 - Examine two reactions important in chemical...Ch. 3 - Propene is a raw material for a wide variety of...Ch. 3 - Ibuprofen (the active ingredient in the...Ch. 3 - The original synthesis for ibuprofen, developed in...Ch. 3 - The reaction of A (red spheres) with B (blue...Ch. 3 - The diagrams represent a reaction on the molecular...Ch. 3 - Fluoxetine, marketed as an antidepressant under...Ch. 3 - The following diagram represents the reaction of...Ch. 3 - What is the percent composition of cysteine, one...Ch. 3 - Cytosine, a constituent of deoxyribonucleic acid...Ch. 3 - A hydrocarbon of unknown formula CxHy was...Ch. 3 - Which of the following equations are balanced? (a)...Ch. 3 - Which of the following equations are balanced?...Ch. 3 - Balance the following equations: (a)...Ch. 3 - Balance the following equations: (a) The explosion...Ch. 3 - Balance the following equations: (a)...Ch. 3 - Balance the following equations:...Ch. 3 - Balance the following equations. (a)...Ch. 3 - Balance the following equations. (a) CO(...Ch. 3 - What are the molecular (formula) weights of the...Ch. 3 - What are the formulas of the following substances?...Ch. 3 - What are the molecular weights of the following...Ch. 3 - Prob. 3.47SPCh. 3 - How many grams are in a mole of each of the...Ch. 3 - Prob. 3.49SPCh. 3 - How many moles of ions are in 27.5 g of MgCl2?Ch. 3 - How many moles of anions are in 35.6 g of AlF3?Ch. 3 - What is the molecular weight of chloroform if...Ch. 3 - What is the molecular weight of cholesterol if...Ch. 3 - 3.52 Iron (II) sulfate, FeSO4, is prescribed for...Ch. 3 - Prob. 3.55SPCh. 3 - An average cup of coffee contains about 125 mg of...Ch. 3 - Prob. 3.57SPCh. 3 - A sample that weighs 25.12 g contains 6.0221023...Ch. 3 - Prob. 3.59SPCh. 3 - Prob. 3.60SPCh. 3 - Prob. 3.61SPCh. 3 - In the preparation of iron from hematite, Fe2O3...Ch. 3 - An alternative method for preparing pure iron from...Ch. 3 - Magnesium metal burns in oxygen to form...Ch. 3 - Ethylene gas, C2H4 , reacts with water at high...Ch. 3 - Prob. 3.66SPCh. 3 - Titanium dioxide (TiO2) , the substance used as...Ch. 3 - Prob. 3.68SPCh. 3 - Aluminum reacts with oxygen to yield aluminum...Ch. 3 - The industrial production of hydriodic acid takes...Ch. 3 - An alternative method for producing hydriodic acid...Ch. 3 - Nickel(II) sulfate, used for nickel plating, is...Ch. 3 - Hydrazine, N2H4 , once used as a rocket...Ch. 3 - Assume that you have 1.39 mol of H2 and 3.44 mol...Ch. 3 - Hydrogen and chlorine react to yield hydrogen...Ch. 3 - How many grams of the dry-cleaning solvent...Ch. 3 - How many grams of each product result from the...Ch. 3 - Limestone (CaCO3) reacts with hydrochloric acid...Ch. 3 - Sodium azide (NaN3) yields N2 gas when heated to...Ch. 3 - Acetic acid (CH3CO2H) reacts with isopentyl...Ch. 3 - Cisplatin [Pt( NH 3)2Cl2] , a compound used in...Ch. 3 - If 1.87 g of acetic acid (CH3COOH) reacts with...Ch. 3 - If 3.42 g of K2PtCl4 and 1.61 g of NH3 give 2.08 g...Ch. 3 - The reaction of tungsten hexachloride (WCl6) with...Ch. 3 - Sodium borohydride, NaBH4 , a substance used in...Ch. 3 - Urea, a substance commonly used as a fertilizer,...Ch. 3 - Calculate the mass percent composition of each of...Ch. 3 - What are the empirical formulas of substances with...Ch. 3 - Ferrocene, a substance proposed for use as a...Ch. 3 - What is the empirical formula of stannous...Ch. 3 - What are the empirical formulas of each of the...Ch. 3 - An unknown liquid is composed of 5.57% 11, 28.01 %...Ch. 3 - An unknown liquid is composed of 34.31% C, 5.28%...Ch. 3 - Combustion analysis of 45.62 mg of toluene, a...Ch. 3 - Coniine, a toxic substance isolated from poison...Ch. 3 - Cytochrome c is an iron—containing enzyme found in...Ch. 3 - Nitrogen fixation in the root nodules of peas and...Ch. 3 - Disilane, Si2Hx, is analyzed and found to contain...Ch. 3 - A certain metal sulfide, MS2, is used extensively...Ch. 3 - Combustion analysis of a 31.472 mg sample of the...Ch. 3 - The stimulant amphetamine contains only carbon,...Ch. 3 - Prob. 3.102SPCh. 3 - Prob. 3.103SPCh. 3 - Prob. 3.104SPCh. 3 - Prob. 3.105SPCh. 3 - Prob. 3.106SPCh. 3 - Prob. 3.107SPCh. 3 - Prob. 3.108MPCh. 3 - The molar mass of HCl is 36.5 g/mol, and the...Ch. 3 - Assume that gasoline has the formula C8H18 and has...Ch. 3 - Compound X contains only carbon, hydrogen,...Ch. 3 - Prob. 3.112MPCh. 3 - A certain alcoholic beverage contains only ethanol...Ch. 3 - A mixture of FeO and Fe2O3 with a mass of 10.0 g...Ch. 3 - Prob. 3.115MPCh. 3 - When eaten, dietary carbohydrates are digested to...Ch. 3 - Prob. 3.117MPCh. 3 - Prob. 3.118MPCh. 3 - A mixture of XCl3 and XCl5 weighing 10.00 g...Ch. 3 - Ammonium nitrate, a potential ingredient of...Ch. 3 - Window glass is typically made by mixing soda ash...Ch. 3 - Prob. 3.122MPCh. 3 - Ethylene glycol, commonly used as automobile...Ch. 3 - Prob. 3.124MP
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- Part I. Draw reaction mechanism for the transformations of benzophenone to benzopinacol to benzopinaco lone and answer the ff: Pinacol (2,3-dimethyl, 1-3-butanediol) on treatment w/ acid gives a mixture of pina colone and (3,3-dimethyl-2-butanone) 2,3-dimethyl-1,3-butadiene. Give reasonable mechanism the formation of the products Forarrow_forwardShow the mechanism for these reactionsarrow_forwardDraw the stepwise mechanismarrow_forward
- Draw a structural formula of the principal product formed when benzonitrile is treated with each reagent. (a) H₂O (one equivalent), H₂SO₄, heat (b) H₂O (excess), H₂SO₄, heat (c) NaOH, H₂O, heat (d) LiAlH4, then H₂Oarrow_forwardDraw the stepwise mechanism for the reactionsarrow_forwardDraw stepwise mechanismarrow_forward
- Part I. Draw reaction mechanism for the transformations of benzophenone to benzopinacol to benzopinaco lone and answer the ff: a) Give the major reason for the exposure of benzophenone al isopropyl alcohol (w/acid) to direct sunlight of pina colone Mechanism For b) Pinacol (2,3-dimethy 1, 1-3-butanediol) on treatment w/ acid gives a mixture (3,3-dimethyl-2-butanone) and 2, 3-dimethyl-1,3-butadiene. Give reasonable the formation of the productsarrow_forwardwhat are the Iupac names for each structurearrow_forwardWhat are the IUPAC Names of all the compounds in the picture?arrow_forward
- 1) a) Give the dominant Intermolecular Force (IMF) in a sample of each of the following compounds. Please show your work. (8) SF2, CH,OH, C₂H₂ b) Based on your answers given above, list the compounds in order of their Boiling Point from low to high. (8)arrow_forward19.78 Write the products of the following sequences of reactions. Refer to your reaction road- maps to see how the combined reactions allow you to "navigate" between the different functional groups. Note that you will need your old Chapters 6-11 and Chapters 15-18 roadmaps along with your new Chapter 19 roadmap for these. (a) 1. BHS 2. H₂O₂ 3. H₂CrO4 4. SOCI₂ (b) 1. Cl₂/hv 2. KOLBU 3. H₂O, catalytic H₂SO4 4. H₂CrO4 Reaction Roadmap An alkene 5. EtOH 6.0.5 Equiv. NaOEt/EtOH 7. Mild H₂O An alkane 1.0 2. (CH3)₂S 3. H₂CrO (d) (c) 4. Excess EtOH, catalytic H₂SO OH 4. Mild H₂O* 5.0.5 Equiv. NaOEt/EtOH An alkene 6. Mild H₂O* A carboxylic acid 7. Mild H₂O* 1. SOC₁₂ 2. EtOH 3.0.5 Equiv. NaOEt/E:OH 5.1.0 Equiv. NaOEt 6. NH₂ (e) 1. 0.5 Equiv. NaOEt/EtOH 2. Mild H₂O* Br (f) i H An aldehyde 1. Catalytic NaOE/EtOH 2. H₂O*, heat 3. (CH,CH₂)₂Culi 4. Mild H₂O* 5.1.0 Equiv. LDA Br An ester 4. NaOH, H₂O 5. Mild H₂O* 6. Heat 7. MgBr 8. Mild H₂O* 7. Mild H₂O+arrow_forwardLi+ is a hard acid. With this in mind, which if the following compounds should be most soluble in water? Group of answer choices LiBr LiI LiF LiClarrow_forward
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