Chemistry & Chemical Reactivity
10th Edition
ISBN: 9781337399074
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: Cengage Learning
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Chapter 4, Problem 141SCQ
ATOM ECONOMY: Benzene, C6H6, is a common compound, and it can be oxidized to give maleic anhydride, C4H2O3, which is used in turn to make other important compounds.
- (a) What is the % atom economy for the synthesis of maleic anhydride from benzene by this reaction?
- (b) If 972 g of maleic anhydride is produced from exactly 1.00 kg of benzene, what is the percent yield of the anhydride? What mass of the by-product CO2 is also produced?
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(1) One of the steps in the commercial process for converting ammonia to nitric acid involves the conversion of ammonia, NH3(g) to nitrous oxide, NO(g).
4 NH3(g ) + 5 O2(g) → 4 NO(g) + 6 H2O(l)
Atomic weights (g/mol): N=14, H=1, O=16
a. Balance the above chemical equation that represents the conversion.
b. How many moles of oxygen are needed to convert 2.5 moles of ammonia?
c. How many grams of water will be produced from 2.5 moles of ammonia?
d. If 150 grams of oxygen reacted 2.5 moles of ammonia, identify the limiting and excess reagents.
e. How much of the excess reagent remains unreacted?
f. If the reaction in (d) produces 10.0 grams of nitrous oxide, calculate the percent yield.
The reaction of pentane, C5H12, with oxygen, O2, gives carbon dioxide and water.
(a) Write a balanced equation for this reaction.
Decane, C10H22(l), undergoes complete combustion if there is sufficient oxygen available:
2 C10H22(l) + 31 O2(g) → 20 CO2(g) + 22 H2O(g)
(a) What mass of oxygen is required for the complete combustion of 800g of decane?
(b) A sample of decane is burned, producing 12 mol of carbon dioxide. What amount (moles) of water is also produced?
Include a therefore statement for EACH a) and b)
Chapter 4 Solutions
Chemistry & Chemical Reactivity
Ch. 4.1 - What mass of oxygen, O2, is required to completely...Ch. 4.2 - The thermite reaction produces iron metal and...Ch. 4.4 - One method for determining the purity of a sample...Ch. 4.4 - A 0523-g sample of the unknown compound CxHy was...Ch. 4.4 - Prob. 4.5CYUCh. 4.5 - Sodium bicarbonate, NaHCO3, is used in baking...Ch. 4.5 - An experiment calls for you to use 250. mL of 1.00...Ch. 4.6 - (a) What is the pH of a solution of HCI in which...Ch. 4.7 - Prob. 4.9CYUCh. 4.8 - A 25.0-mL sample of vinegar (which contains the...
Ch. 4.8 - Hydrochloric acid. HCl, with a concentration of...Ch. 4.8 - An unknown monoprotic acid reacts with NaOH...Ch. 4.8 - Vitamin C, ascorbic acid (C6HgO6)(molar mass 176.1...Ch. 4.9 - Prob. 4.14CYUCh. 4.9 - Prob. 1.1ACPCh. 4.9 - Excess KI is added to a 100.0-mL sample of a soft...Ch. 4.9 - Prob. 3.1ACPCh. 4.9 - Identify the factor labeled 4 in the strategy...Ch. 4.9 - Identify the factor labeled 3 in this strategy...Ch. 4.9 - Prob. 4.3ACPCh. 4.9 - Prob. 4.4ACPCh. 4 - The reaction of iron(III) oxide with aluminum to...Ch. 4 - What mass of HCI, in grams, is required to react...Ch. 4 - Like many metals, aluminum reacts with a halogen...Ch. 4 - The balanced equation for the reduction of iron...Ch. 4 - Methane, CH4, burns in oxygen. (a) What are the...Ch. 4 - The formation of water-Insoluble silver chloride...Ch. 4 - The metals industry was a major source of air...Ch. 4 - Prob. 8PSCh. 4 - Chromium metal reacts with oxygen to give...Ch. 4 - Ethane, C2H6, burns in oxygen. (a) What are the...Ch. 4 - Prob. 11PSCh. 4 - Ammonia gas can be prepared by the reaction of a...Ch. 4 - The compound SF6 is made by burning sulfur in an...Ch. 4 - Disulfur dichloride, S2Cl2, is used to vulcanize...Ch. 4 - The reaction of methane and water is one way to...Ch. 4 - Aluminum chloride AlCl3, is made by treating scrap...Ch. 4 - In the thermite reaction, iron(III) oxide is...Ch. 4 - Aspirin, C6H4 (OCOCH3) CO3H, is produced by the...Ch. 4 - In Example 4.2, you found that a particular...Ch. 4 - Ammonia gas can be prepared by the following...Ch. 4 - The deep blue compound Cu(NH3)4S04 is made by the...Ch. 4 - Black smokers are found in the depths of the...Ch. 4 - The reaction of methane and water is one way to...Ch. 4 - Methanol, CH3OH, can be prepared from carbon...Ch. 4 - A mixture of CuSO4 and CuSO4.5 H2O has a mass of...Ch. 4 - A 2.634-g sample containing impure CuCl2 2 H2O was...Ch. 4 - Prob. 27PSCh. 4 - Prob. 28PSCh. 4 - Nickel(II) sulfide, NiS, occurs naturally as the...Ch. 4 - The aluminum in a 0.764-g sample of an unknown...Ch. 4 - Prob. 31PSCh. 4 - Mesitylene is a liquid hydrocarbon Burning 0.115 g...Ch. 4 - Naphthalene is a hydrocarbon that once was used in...Ch. 4 - Azulene is a beautiful blue hydrocarbon. If 0.106...Ch. 4 - An unknown compound has the formula CxHyOz. You...Ch. 4 - An unknown compound has the formula CxHyOz. 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