Chemistry for Engineering Students
4th Edition
ISBN: 9781337398909
Author: Lawrence S. Brown, Tom Holme
Publisher: Cengage Learning
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Chapter 4, Problem 4.2PAE
4.2 What is an
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Which of the following pairs is incorrect?
Select one:
a. ethane – C2H4
b. pentane – C5H12
c. hexane – C6H14
d. heptane – C7H16
e. octane – C8H18
III. 6 What is the starting material for number 6
Give the IUPAC names of the folloring structures:
Chapter 4 Solutions
Chemistry for Engineering Students
Ch. 4 - Describe the chemical composition of gasoline.Ch. 4 - Write balanced chemical equations for the...Ch. 4 - Prob. 3COCh. 4 - Calculate the amounts of reactants needed in a...Ch. 4 - Prob. 5COCh. 4 - Prob. 6COCh. 4 - Prob. 7COCh. 4 - 4.1 List at least two factors that make it...Ch. 4 - 4.2 What is an alkane?Ch. 4 - 4.3 Explain the difference between complete and...
Ch. 4 - 4.4 Automobile exhaust often contains traces of...Ch. 4 - 4.5 Methane, ethane, and propane are also...Ch. 4 - 4.6 Use the web to research prices of gasoline at...Ch. 4 - For the following reactions, write the ratios that...Ch. 4 - 4.8 In an experiment carried out at very low...Ch. 4 - 4.9 Sulfur, S8, combines with oxygen at elevated...Ch. 4 - 4.10 How many moles of oxygen can be obtained by...Ch. 4 - 4.11 MTBE, C5H12O, is one of the additives that...Ch. 4 - 4.12 In petroleum refining, hydrocarbons are often...Ch. 4 - 4.13 For the following reactions, determine the...Ch. 4 - 4.14 The combustion of liquid chloroethylene,...Ch. 4 - 4.15 What mass of the unknown compound is formed...Ch. 4 - 4.16 Many metals react with halogens to give metal...Ch. 4 - 4.17 Phosgene is a highly toxic gas that has been...Ch. 4 - Prob. 4.18PAECh. 4 - 4.19 How many metric tons of carbon are required...Ch. 4 - 4.20 Assuming a charcoal briquette is composed...Ch. 4 - 4.21 Ammonium nitrate, NH4NO3, will decompose...Ch. 4 - 4.22 Generally, an excess of O2 is needed for the...Ch. 4 - 4.23 In the reaction of arsenic with bromine,...Ch. 4 - 4.24 Ammonia gas can be prepared by the reaction...Ch. 4 - 4.25 When octane is combusted with inadequate...Ch. 4 - 4.26 The equation for one of the reactions in the...Ch. 4 - 4.27 Copper reacts with sulfuric acid according to...Ch. 4 - 4.28 One of the steps in the manufacture of nitric...Ch. 4 - 4.29 When Al(OH)3 reacts with sulfuric acid, the...Ch. 4 - 4.30 Copper reacts with nitric acid via the...Ch. 4 - 4.31 How much HNO3 can be formed in the following...Ch. 4 - 4.32 Hydrogen and oxygen are reacted and the water...Ch. 4 - 4.33 Silicon carbide, an abrasive, is made by the...Ch. 4 - Prob. 4.34PAECh. 4 - Prob. 4.35PAECh. 4 - 4.36 Sometimes students in chemistry labs...Ch. 4 - 4.37 The theoretical yield and the actual yield...Ch. 4 - 4.38 A reaction that produced 4.8 mg of taxol, an...Ch. 4 - Methanol, CH3OH, is used in racing cars because it...Ch. 4 - 4.40 When iron and steam react at high...Ch. 4 - 4.41 The percentage yield of the following...Ch. 4 - 4.42 Sulfur hexafluoride is a very stable gas...Ch. 4 - 4.43 Magnesium nitride forms in a side reaction...Ch. 4 - 4.44 Industrial production of hydrogen gas uses...Ch. 4 - 4.45 If 21 g of H2S is mixed with 38 g of O2 and...Ch. 4 - 4.46 A mixture of 10.0 g of NO and 14.0 g of NO2...Ch. 4 - 4.47 Silicon carbide is, an abrasive used in the...Ch. 4 - 4.48 Elemental phosphorous is used in the...Ch. 4 - 4.49 Small quantities of hydrogen gas can be...Ch. 4 - Prob. 4.50PAECh. 4 - 4.51 What is the role of an indicator in a...Ch. 4 - 4.52 What volume of 0.812 M HCl, in milliliters,...Ch. 4 - Prob. 4.53PAECh. 4 - Prob. 4.54PAECh. 4 - Hydrazine, N2H4, is a weak base and can react with...Ch. 4 - Prob. 4.56PAECh. 4 - Prob. 4.57PAECh. 4 - Prob. 4.58PAECh. 4 - 4.59 Aluminum dissolves in HCI according to the...Ch. 4 - 4.60 Why are fuel additives used?Ch. 4 - 4.61 What is actually measured by the octane...Ch. 4 - Prob. 4.62PAECh. 4 - Prob. 4.63PAECh. 4 - 4.64 Using the web, find information about the...Ch. 4 - 4.65 Using the web, find out how lead “poisons”...Ch. 4 - 4.66 If 3.4 mol Al is mixed with 1.5 times as many...Ch. 4 - 4.67 If 8.4 moles of disilane, Si2H6, are combined...Ch. 4 - 4.68 The pictures below show a molecular-scale...Ch. 4 - 4.69 The pictures below show a molecular-scale...Ch. 4 - 4.70 The particulate scale drawing shown depicts...Ch. 4 - 4.71 The particulate scale drawing shown depict...Ch. 4 - 4.72 The picture shown depicts the species present...Ch. 4 - Prob. 4.73PAECh. 4 - Prob. 4.74PAECh. 4 - Prob. 4.75PAECh. 4 - Prob. 4.76PAECh. 4 - You have 0.954 g of an unknown acid, H2A, which...Ch. 4 - Prob. 4.78PAECh. 4 - 4.79 Phosphoric add (H3PO4) is important in the...Ch. 4 - 4.80 The reaction shown below is used to destroy...Ch. 4 - Prob. 4.81PAECh. 4 - One way of determining blood alcohol levels is by...Ch. 4 - Prob. 4.83PAECh. 4 - 4.84 Aluminum chloride (AlCl3) is used as a...Ch. 4 - 4.85 In the cold vulcanization of rubber, disulfur...Ch. 4 - Prob. 4.86PAECh. 4 - Prob. 4.87PAECh. 4 - 4.88 A quality control technician needs to...Ch. 4 - Prob. 4.89PAECh. 4 - 4.90 Iron metal can be refined (rom the mineral...Ch. 4 - Prob. 4.91PAECh. 4 - Prob. 4.92PAECh. 4 - 4.93 A mixture of methane (CH4) and propane (C3H8)...Ch. 4 - Prob. 4.94PAECh. 4 - Prob. 4.95PAECh. 4 - Prob. 4.96PAECh. 4 - Prob. 4.97PAECh. 4 - Prob. 4.98PAECh. 4 - Prob. 4.99PAECh. 4 - Prob. 4.100PAECh. 4 - Prob. 4.101PAECh. 4 - Prob. 4.102PAECh. 4 - Prob. 4.103PAECh. 4 - 4.104 When 2.750 g of the oxide Pb3O4 is heated to...Ch. 4 - Prob. 4.105PAECh. 4 - 4.106 An ore sample with a mass of 670 kg contains...Ch. 4 - 4.107 Existing stockpiles of the refrigerant...Ch. 4 - 4.108 Elemental analysis is sometimes carried out...Ch. 4 - Prob. 4.109PAECh. 4 - 4.110 Write the balanced chemical equation lot the...Ch. 4 - 4.111 Aluminum metal reacts with sulfuric acid to...Ch. 4 - 4.112 A metallurgical firm wishes to dispose of...
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- (8.) For each pair, determine if they are the same molecule, or are structural isomers, or different but not isomers (ie different molecular formulas). A B E C D 5 xxarrow_forward12. All about ibuprofen (Advil). 28 The chemical formula of ibuprofen is C22H₂N₂O. Ibuprofen is an over-the-counter drug for treating pain and inflammation. It's also very effective with migraine headaches whose major side effect is stomach irritation. Its molecular structure is given on the right. The ball-and-stick structure model is given underneath. a. How many moles of ibuprofen are in 43.9 g of ibuprofen? b. How many moles of ibuprofen, are in 7.66x1024 molecules of ibuprofen? c. How many nitrogen atoms are in 8 molecules of ibuprofen? d. How many hydrogen atoms are in 328 grams of ibuprofen?arrow_forward7. Name the following compounds. a. H3C- b. H3C- OH H₂ H₂ C-C C H C - CH3 c. H3C-0- -CH3 -CH3 HO- a. b. C. SHO OHarrow_forward
- 6. (3 points) Hydralazine is a drug used to treat heart disease. It is 59.99% carbon, 5.03% hydrogen, and 34.98% nitrogen and has a molecular mass of 160.178 g/mol. What is the molecular formula for hydralazine?arrow_forwardDo not give handwriting solution.arrow_forwardSynthesise the target molecules drawn below using precursor chemicals within the following limitations: 1) ALL intermediates and reagents must be shown. 2) Each molecule requires multiple step synthesis. 3) You must also synthesize any organometallic reagents or ligands that you wish to use.arrow_forward
- Name the following organic compounds: (see attached photos)arrow_forwardQ. 50. The antibiotic tetracycline's structure is depicted below in the blue box. What is the number of sp3(C)-sp2(C) bonds present in it? There is only one right answer. a) 5 b) 11 c) 4 d) 8 OH O HQ, HO Ho H O NH₂ OHarrow_forwardD How many total covalent bonds are in carbon dloxide? (Activity B. #4) 3.arrow_forward
- See the Attached compound A. Ques: Explain why bond [1] and bond [2] are different in length, even thoughthey are both C–C single bonds.arrow_forwardi CH₂=CH-CH=CH₂ + CH3C-C=C-CCH3 4, Draw the molecule on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advancarrow_forward4) Vitamin B3, also known as niacin, helps maintain the normal function of the skin, nerves, and digestive system. The disease pellagra results from a severe niacin deficiency. Niacin has the following formula: C6HSNO2. Often tablets contain vitamin B3 in the form of niacinamide, C6H6N2O, which is easier to absorb. a. A vitamin tablet contains 100 mg of niacinamide. What mass of niacin contains an equivalent number of moles as 100 mg of niacinamide? b. What is the Recommended Daily Intake (RDI) for niacin? C. Create a list of foods that contain niacin. d. What is pellagra? What are the consequences of ingesting too MUCH niacin?arrow_forward
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