Introductory Chemistry (5th Edition) (Standalone Book)
5th Edition
ISBN: 9780321910295
Author: Nivaldo J. Tro
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 8, Problem 74E
ENTHALPY AND STOICHIOMETRY OF
The equation for the combustion of undecane is shown below. If the combustion of 31.2 kg of undecane produces 1.38 X 106 kJ of heat, what is the (
C11H24(l) + 17 O2(g) → 12 H2O(l) + 11 CO2(g)
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionChapter 8 Solutions
Introductory Chemistry (5th Edition) (Standalone Book)
Ch. 8 - Q1. Sulfur and fluorine react to form sulfur...Ch. 8 - Hydrogen chloride gas and oxygen gas react to form...Ch. 8 - Sodium reacts with fluorine to form sodium...Ch. 8 - Consider the hypothetical reaction shown here. If...Ch. 8 - Prob. 5SAQCh. 8 - Prob. 6SAQCh. 8 - Sodium and chlorine react to form sodium chloride....Ch. 8 - A reaction has a theoretical yield of 22.8 g. when...Ch. 8 - Titanium can be obtained from its oxide by the...Ch. 8 - Which statement best describes an exothermic...
Ch. 8 - Consider the generic reaction: A+2BAB2Hrxn=155kJ...Ch. 8 - Q12. Hydrogen gas reacts with oxygen to form...Ch. 8 - Prob. 1ECh. 8 - Nitrogen and hydrogen can react to from ammonia:...Ch. 8 - Prob. 3ECh. 8 - Prob. 4ECh. 8 - 5 what is the general from of the solution map...Ch. 8 - 6. Consider the recipe for making tomato and...Ch. 8 - 7 In a chemical reaction, what is the limiting...Ch. 8 - Prob. 8ECh. 8 - In a chemical reaction, what are the actual yield...Ch. 8 - If you are given a chemical equation and specific...Ch. 8 - 11. Consider the generic chemical...Ch. 8 - Prob. 12ECh. 8 - Prob. 13ECh. 8 - Explain the relationship between the sign of Hrxn...Ch. 8 - Consider the generic chemical reaction: A+2BC How...Ch. 8 - Prob. 16ECh. 8 - 17. For the reaction shown, calculate how many...Ch. 8 - 18. For the reaction shown, calculate how many...Ch. 8 - 19. Dihydrogen monosulfide reacts with sulfur...Ch. 8 - 20. Chlorine gas reacts with fluorine gas...Ch. 8 - For each reaction, calculate how many moles of...Ch. 8 - 22. For each reaction, calculate how many moles of...Ch. 8 - 23. For the reaction shown, calculate how many...Ch. 8 - 24. For the reaction shown, calculate how many...Ch. 8 - Consider the balanced equation:...Ch. 8 - 26. Consider the balance equation:
Complete the...Ch. 8 - 27. Consider the unbalanced equation for the...Ch. 8 - Prob. 28ECh. 8 - 29. Consider the unbalanced equation for the...Ch. 8 - 30. Consider the unbalanced equation for the...Ch. 8 - Prob. 31ECh. 8 - 32. For the reaction shown, calculate how many...Ch. 8 - For each of the reactions, calculate how many...Ch. 8 - 34. For each of the reactions, calculate how many...Ch. 8 - 35. For the reaction shown, calculate how many...Ch. 8 - 36. For the reaction shown, calculate how many...Ch. 8 - Prob. 37ECh. 8 - Consider the balanced equation for the combustion...Ch. 8 - 39. For each acid–base reaction, calculate how...Ch. 8 - 40. For each precipitation reaction, calculate how...Ch. 8 - Sulfuric acid can dissolve aluminum metal...Ch. 8 - Hydrochloric acid can dissolve solid iron...Ch. 8 - 43. Consider the generic chemical equation:
a....Ch. 8 - Prob. 44ECh. 8 - Prob. 45ECh. 8 - Prob. 46ECh. 8 - For the reaction shown, find the limiting reactant...Ch. 8 - Prob. 48ECh. 8 - 49. For the reaction shown, calculate the...Ch. 8 - For the reaction shown, calculate the theoretical...Ch. 8 - Consider the generic reaction between reactants A...Ch. 8 - Consider the reaction between reactants S and O2:...Ch. 8 - Consider the reaction 4HCI(g)+O2(g)2H2O(g)+2Cl2(g)...Ch. 8 - 54. Consider the reaction
Each molecular diagram...Ch. 8 - 55. For the reaction shown, find the limiting...Ch. 8 - For the reaction shown, find the limiting reactant...Ch. 8 - Prob. 57ECh. 8 - For the reaction shown, calculate the theoretical...Ch. 8 - 58. If the theoretical yield of a reaction is 24.8...Ch. 8 - If the theoretical yield of reaction is 0.118 g...Ch. 8 - 61. Consider the reaction between calcium oxide...Ch. 8 - Consider the reaction between sulfur trioxide and...Ch. 8 - Consider the reaction between NiS2 and O2:...Ch. 8 - LIMITING REACTANT, THEORETICAL YIELD, AND PERCENT...Ch. 8 - Lead ions can be precipitate form solution with...Ch. 8 -
Ch. 8 - Consider the reaction between TiO2 and C:...Ch. 8 - 68. Consider the raction between N2H4 and N2O4:
A...Ch. 8 - 69. Classify each process as exothermic or...Ch. 8 - 70. Classify each process as exothermic or...Ch. 8 - Consider the generic reaction: A+2BCHrxn=55kJ...Ch. 8 - Prob. 72ECh. 8 - Consider the equation for the combustion of...Ch. 8 - ENTHALPY AND STOICHIOMETRY OF Hrxn
74. The...Ch. 8 - 75. Octane (C8H18) is a component of gasoline that...Ch. 8 - Prob. 76ECh. 8 - Consider the reaction:...Ch. 8 - Prob. 78ECh. 8 - A solution contains an unknown mass of dissolved...Ch. 8 - Prob. 80ECh. 8 - Prob. 81ECh. 8 - Prob. 82ECh. 8 - 83. The combustion of gasoline produces carbon...Ch. 8 - Many home barbecues are fueled with propane gas...Ch. 8 - Prob. 85ECh. 8 - 86. Magnesium ions can be precipitated from...Ch. 8 - Hydrogen gas can be prepared in the laboratory by...Ch. 8 - Prob. 88ECh. 8 - Prob. 89ECh. 8 - Pure oxygen gas can be prepared in the laboratory...Ch. 8 - 91. Aspirin can be made in the laboratory by...Ch. 8 - 92. The combustion of liquid ethanol produces...Ch. 8 - Urea (CH4N2 O), a common fertilizer, can be...Ch. 8 - 94. Silicon, which occurs in nature as SiO2, is...Ch. 8 - 95. The ingestion of lead from food, water, or...Ch. 8 - Prob. 96ECh. 8 - The propane fuel (C3H8) used in gas barbecues...Ch. 8 - Prob. 98ECh. 8 - 99. A loud classroom demonstration involves...Ch. 8 - 100. A hydrochloric acid solution will neutralize...Ch. 8 - Prob. 101ECh. 8 - Prob. 102ECh. 8 - What volume of air is needed to burn an entire...Ch. 8 - Have each member of your group choose a...Ch. 8 - 105. Consider the combustion of propane:
a....
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- A rebreathing gas mask contains potassium superoxide, KO2, which reacts with moisture in the breath to give oxygen. 4KO2(s)+2H2O(l)4KOH(s)+3O2(g) Estimate the grams of potassium superoxide required to supply a persons oxygen needs for one hour. Assume a person requires 1.00 102 kcal of energy for this time period. Further assume that this energy can be equated to the heat of combustion of a quantity of glucose, C6H12O6, to CO2(g) and H2O(l). From the amount of glucose required to give 1.00 102 kcal of heat, calculate the amount of oxygen consumed and hence the amount of KO2 required. The ff0 for glucose(s) is 1273 kJ/mol.arrow_forwardGraphite is burned in oxygen to give carbon monoxide and carbon dioxide. If the product mixture is 33% CO and 67% CO2 by mass, what is the heat from the combustion of 1.00 g of graphite?arrow_forwardThe equation for the fermentation of glucose to alcohol and carbon dioxide is: C6H12O6(aq) 2C2H5OH(aq) + 2CO2(g) The enthalpy change for the reaction is 67 kJ. Is this reaction exothermic or endothermic? Is energy, in the form of heat, absorbed or evolved as the reaction occurs?arrow_forward
- The carbon dioxide exhaled in the breath of astronauts is often removed from the spacecraft by reaction with lithium hydroxide 2LiOH(s)+CO2(g)Li2CO3(s)+H2O(l) Estimate the grams of lithium hydroxide required per astronaut per day. Assume that each astronaut requires 2.50 103 kcal of energy per day. Further assume that this energy can be equated to the heat of combustion of a quantity of glucose, C6H12O6, to CO2(g) and H2O(l). From the amount of glucose required to give 2.50 103 kcal of heat, calculate the amount of CO2 produced and hence the amount of LiOH required. The H for glucose(s) is 1273 kJ/mol.arrow_forwardWhen lightning strikes, the energy can force atmospheric nitrogen and oxygen to react to make NO: N2(g)+O2(g)2NO(g)H=+181.8kJ (a) Is this reaction endothermic or exothermic? (b) What quantities of reactants and products are assumed if H = +181.8 kJ? (c) What is the enthalpy change when 3.50 g nitrogen is reacted with excess O2(g)?arrow_forwardChlorine dioxide, ClO2, is a reddish yellow gas used in bleaching paper pulp. The average speed of a ClO2 molecule at 25C is 306 m/s. What is the kinetic energy (in joules) of a ClO2 molecule moving at this speed?arrow_forward
- Natural gas companies in the United States use the therm as a unit of energy. One therm is 1105 BTU. (a) How many joules are in one therm? (1J=9.48104BTU) (b) When propane gas, C3H8, is burned in oxygen, CO2 and steam are produced. How many therms of energy are given off by 1.00 mol of propane gas?arrow_forwardAlthough the gas used in an oxyacetylene torch (Figure 5.7) is essentially pure acetylene, the heat produced by combustion of one mole of acetylene in such a torch is likely not equal to the enthalpy of combustion of acetylene listed in Table 5.2. Considering the conditions for which the tabulated data are reported, suggest an explanation.arrow_forwardThe enthalpy change for the reaction of hydrogen gas with fluorine gas (o produce hydrogen fluoride is 542 U for the equation as written: mg src=Images/HTML_99425-10-41QAP_image001.jpg alt="" align="top"/> l type='a'> What is the enthalpy change per mole of hydrogen fluoride produced? Is the reaction exothermic or endothermic as written? What would be the enthalpy change for the reverse of the given equation (that 1%, for the decomposition of HF into its constituent elements)?arrow_forward
- 9.65 When 0.0157 g of a compound with a heat of combustion of —37.6 kJ/mol is burned in a calorimeter, 18.5 j of heat is released. What is the molar mass of the compound?arrow_forwardEthanol, C2H5OH, is a gasoline additive that can be produced by fermentation of glucose. C6H12O62C2H5OH+2CO2 (a) Calculate the mass (g) of ethanol produced by the fermentation of 1.000 lb glucose. (b) Gasohol is a mixture of 10.00 mL ethanol per 90.00 mL gasoline. Calculate the mass (in g) of glucose required to produce the ethanol in 1.00 gal gasohol. Density of ethanol = 0.785 g/mL. (c) By 2022, the U. S. Energy Independence and Security Act calls for annual production of 3.6 1010 gal of ethanol, no more than 40% of it produced by fermentation of corn. Fermentation of 1 ton (2.2 103 lb) of corn yields approximately 106 gal of ethanol. The average corn yield in the United States is about 2.1 105 lb per 1.0 105 m2. Calculate the acreage (in m2) required to raise corn solely for ethanol production in 2022 in the United States.arrow_forwardEnthalpy a A 100.-g sample of water is placed in an insulated container and allowed to come to room temperature at 21C. To heat the water sample to 41C, how much heat must you add to it? b Consider the hypothetical reaction,2X(aq)+Y(l)X2Y(aq)being run in an insulated container that contains 100. g of solution. If the temperature of the solution changes from 21C to 31C, how much heat does the chemical reaction produce? How does this answer compare with that in part a? (You can assume that this solution is so dilute that it has the same heat capacity as pure water.) c If you wanted the temperature of 100. g of this solution to increase from 21C to 51C, how much heat would you have to add to it? (Try to answer this question without using a formula.) d If you had added 0.02 mol of X and 0.01 mol of Y to form the solution in part b, how many moles of X and Y would you need to bring about the temperature change described in part c. e Judging on the basis of your answers so far, what is the enthalpy of the reaction 2X(aq) + Y(l) X2Y(aq)?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Chemistry by OpenStax (2015-05-04)ChemistryISBN:9781938168390Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark BlaserPublisher:OpenStaxChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningChemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage Learning
- Chemistry for Engineering StudentsChemistryISBN:9781337398909Author:Lawrence S. Brown, Tom HolmePublisher:Cengage LearningChemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage LearningGeneral Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage Learning
Chemistry by OpenStax (2015-05-04)
Chemistry
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:OpenStax
Chemistry: Principles and Reactions
Chemistry
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:Cengage Learning
Chemistry: Principles and Practice
Chemistry
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Cengage Learning
Chemistry for Engineering Students
Chemistry
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Cengage Learning
Chemistry: The Molecular Science
Chemistry
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:Cengage Learning
General Chemistry - Standalone book (MindTap Cour...
Chemistry
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Cengage Learning
Calorimetry Concept, Examples and Thermochemistry | How to Pass Chemistry; Author: Melissa Maribel;https://www.youtube.com/watch?v=nSh29lUGj00;License: Standard YouTube License, CC-BY