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Chemistry: The Molecular Science
5th Edition
ISBN: 9781285199047
Author: John W. Moore, Conrad L. Stanitski
Publisher: Cengage Learning
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Chapter 16, Problem 57QRT
Interpretation Introduction
Interpretation:
The principal parts of an
Concept Introduction:
An
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Students have asked these similar questions
1a.Calculate the enthalpy of solution (ΔH for the dissolution) per mole of NH4NO3 under the conditions described in Example 5.6.
(I understand this question, but the context is needed for part b. The answer for 1a. is 25 kJ mol−1, but I don't know how to go about solving 1b.)
1b. Calculate ΔH for the reaction described by the equation. (Hint: Use the value for the approximate amount of heat absorbed by the reaction that you calculated in a previous exercise.)Ba(OH)2⋅8H2O(s)+2NH4SCN(aq)⟶Ba(SCN)2(aq)+2NH3(aq)+10H2O(l)
The thermite reaction is highly exothermic as illustrated as follows:
Fe2O3 (s) + 2 Al (s) --> 2 Fe (s) + Al2O (s) + 850 kJ
What mass of aluminum would be required to produce 375 kJ of energy?
1. What is the kinetic energy in kilojoules of a space station weighing 8010 kg and moving at a velocity of 2.560e+4 km/hr?
2. Determine ΔH for the third reaction from the information given.
Cu(s) + Cl2(g)
↔ CuCl2(s)
ΔH = -206.0 kJ
2 Cu(s) + Cl2(g)
↔ 2 CuCl(s)
ΔH = -136.0 kJ
2 CuCl(s)
↔ CuCl2(s) + Cu(s)
ΔH = ?
3. Calculate the work done (in Joules) during the formation of propane in which the volume of the gases changes from 31.57 L to 7.893 L at a constant pressure of 22.61 atm and temperature.
3 C(s) + 4 H 2(g) ↔ C 3H 8(g)
Chapter 16 Solutions
Chemistry: The Molecular Science
Ch. 16.1 - Write a chemical equation for each process and...Ch. 16.2 - Prob. 16.2CECh. 16.3 - A chemical reaction transfers 30.8 kJ to a thermal...Ch. 16.3 - Prob. 16.3CECh. 16.3 - Prob. 16.2PSPCh. 16.3 - For each process, predict whether entropy...Ch. 16.4 - Calculate the entropy change for each of these...Ch. 16.5 - The reaction of carbon monoxide with hydrogen to...Ch. 16.5 - Prob. 16.4PSPCh. 16.5 - Prob. 16.6CE
Ch. 16.5 - Prob. 16.8ECh. 16.6 - Prob. 16.9CECh. 16.6 - In the text we concluded that the reaction to...Ch. 16.6 - Prob. 16.10CECh. 16.6 - Prob. 16.6PSPCh. 16.7 - Prob. 16.7PSPCh. 16.7 - Prob. 16.8PSPCh. 16.7 - Prob. 16.9PSPCh. 16.8 - Predict whether each reaction is reactant-favored...Ch. 16.9 - Prob. 16.13ECh. 16.9 - Prob. 16.11PSPCh. 16.9 - Prob. 16.12PSPCh. 16.9 - Prob. 16.14ECh. 16.11 - All of these substances are stable with respect to...Ch. 16 - Define the terms product-favored System and...Ch. 16 - What are the two ways that a final chemical state...Ch. 16 - Define the term entropy, and give an example of a...Ch. 16 - Prob. 4QRTCh. 16 - Prob. 5QRTCh. 16 - Prob. 6QRTCh. 16 - Prob. 7QRTCh. 16 - Prob. 8QRTCh. 16 - Prob. 9QRTCh. 16 - Prob. 10QRTCh. 16 - Prob. 11QRTCh. 16 - Prob. 12QRTCh. 16 - Prob. 13QRTCh. 16 - Prob. 14QRTCh. 16 - Prob. 15QRTCh. 16 - Prob. 16QRTCh. 16 - Prob. 17QRTCh. 16 - Suppose you have four identical molecules labeled...Ch. 16 - For each process, tell whether the entropy change...Ch. 16 - Prob. 20QRTCh. 16 - For each situation described in Question 13,...Ch. 16 - Prob. 22QRTCh. 16 - Prob. 23QRTCh. 16 - Prob. 24QRTCh. 16 - Prob. 25QRTCh. 16 - Prob. 26QRTCh. 16 - Prob. 27QRTCh. 16 - Prob. 28QRTCh. 16 - Prob. 29QRTCh. 16 - Prob. 30QRTCh. 16 - Prob. 31QRTCh. 16 - Diethyl ether, (C2H5)2O, was once used as an...Ch. 16 - Calculate rS for each substance when the quantity...Ch. 16 - Prob. 34QRTCh. 16 - Prob. 35QRTCh. 16 - Check your predictions in Question 28 by...Ch. 16 - Prob. 37QRTCh. 16 - Prob. 38QRTCh. 16 - Prob. 39QRTCh. 16 - Prob. 40QRTCh. 16 - Prob. 41QRTCh. 16 - Prob. 42QRTCh. 16 - Prob. 43QRTCh. 16 - Prob. 44QRTCh. 16 - Prob. 45QRTCh. 16 - Prob. 46QRTCh. 16 - Hydrogen bums in air with considerable heat...Ch. 16 - Prob. 48QRTCh. 16 - Prob. 49QRTCh. 16 - Prob. 50QRTCh. 16 - Prob. 51QRTCh. 16 - The reaction of magnesium with water can be used...Ch. 16 - Prob. 53QRTCh. 16 - Prob. 54QRTCh. 16 - Prob. 55QRTCh. 16 - Prob. 56QRTCh. 16 - Prob. 57QRTCh. 16 - Prob. 58QRTCh. 16 - Prob. 59QRTCh. 16 - Prob. 60QRTCh. 16 - Prob. 61QRTCh. 16 - Estimate ΔrG° at 2000. K for each reaction in...Ch. 16 - Prob. 63QRTCh. 16 - Some metal oxides, such as lead(II) oxide, can be...Ch. 16 - Prob. 65QRTCh. 16 - Prob. 66QRTCh. 16 - Use data from Appendix J to obtain the equilibrium...Ch. 16 - Prob. 68QRTCh. 16 - Prob. 69QRTCh. 16 - Use the data in Appendix J to calculate rG andKPat...Ch. 16 - Prob. 71QRTCh. 16 - Prob. 72QRTCh. 16 - Prob. 73QRTCh. 16 - Prob. 74QRTCh. 16 - Prob. 75QRTCh. 16 - Prob. 76QRTCh. 16 - Prob. 77QRTCh. 16 - Prob. 78QRTCh. 16 - Prob. 79QRTCh. 16 - The molecular structure shown is of one form of...Ch. 16 - Another step in the metabolism of glucose, which...Ch. 16 - In muscle cells under the condition of vigorous...Ch. 16 - The biological oxidation of ethanol, C2H5OH, is...Ch. 16 - Prob. 86QRTCh. 16 - For one day, keep a log of all the activities you...Ch. 16 - Billions of pounds of acetic acid are made each...Ch. 16 - Determine the standard Gibbs free energy change,...Ch. 16 - There are millions of organic compounds known, and...Ch. 16 - Actually, the carbon in CO2(g) is...Ch. 16 - The standard molar entropy of methanol vapor,...Ch. 16 - The standard molar entropy of iodine vapor, I2(g),...Ch. 16 - Prob. 94QRTCh. 16 - Prob. 96QRTCh. 16 - Prob. 97QRTCh. 16 - Prob. 98QRTCh. 16 - Prob. 99QRTCh. 16 - Prob. 100QRTCh. 16 - Appendix J lists standard molar entropies S, not...Ch. 16 - When calculating rSfromSvalues, it is necessary to...Ch. 16 - Prob. 103QRTCh. 16 - Explain how the entropy of the universe increases...Ch. 16 - Prob. 105QRTCh. 16 - Prob. 106QRTCh. 16 - Prob. 107QRTCh. 16 - Prob. 108QRTCh. 16 - Prob. 109QRTCh. 16 - Reword the statement in Question 109 so that it is...Ch. 16 - Prob. 111QRTCh. 16 - Prob. 112QRTCh. 16 - Prob. 113QRTCh. 16 - Prob. 114QRTCh. 16 - Prob. 115QRTCh. 16 - Prob. 116QRTCh. 16 - From data in Appendix J, estimate (a) the boiling...Ch. 16 - Prob. 118QRTCh. 16 - Prob. 119QRTCh. 16 - Prob. 120QRTCh. 16 - Prob. 121QRTCh. 16 - Prob. 122QRTCh. 16 - Prob. 123QRTCh. 16 - Prob. 124QRTCh. 16 - Prob. 125QRTCh. 16 - Prob. 126QRTCh. 16 - The standard equilibrium constant is 2.1109for...Ch. 16 - Prob. 16.ACPCh. 16 - Prob. 16.CCPCh. 16 - Prob. 16.DCPCh. 16 - Consider planet Earth as a thermodynamic system....
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- The major industrial use of hydrogen is in the production of ammonia by the Haber process: 3H2(g)+N2(g)2NH3(g) a. Using data from Appendix 4, calculate H, S, and G for the Haber process reaction. b. Is the reaction spontaneous at standard conditions? c. At what temperatures is the reaction spontaneous at standard conditions? Assume H and S do not depend on temperature.arrow_forwardActually, the carbon in CO2(g) is thermodynamically unstable with respect to the carbon in calcium carbonate(limestone). Verify this by determining the standardGibbs free energy change for the reaction of lime,CaO(s), with CO2(g) to make CaCO3(s).arrow_forwardUsing values of fH and S, calculate the standard molar free energy of formation, fG, for each of the following: (a) Ca(OH)2(s) (b) Cl(g) (c) Na2CO3(s) Compare your calculated values of fG with those listed in Appendix L. Which of these formation reactions are predicted to be product-favored at equilibrium at 25 C?arrow_forward
- Using data from Appendix 4, calculate H, S and G for the following reactions that produce acetic acid: Which reaction would you choose as a commercial method for producing acetic acid (CH3CO2H) at standard conditions? What temperature conditions would you choose for the reaction? Assume H and S do not depend on temperature.arrow_forwardConsider the reaction Fe2O3(s)+3H2(g)2Fe(s)+3H2O(g) a. Use Gf values in Appendix 4 to calculate G for this reaction. b. Is this reaction spontaneous under standard conditions at 298 K? c. The value of H for this reaction is 100. kJ. At what temperatures is this reaction spontaneous at standard conditions? Assume that H and S do not depend on temperature.arrow_forwardUse the standard free energy of formation data in Appendix G to determine the free energy change for each of the following reactions, which are run under standard state conditions and 25 C. Identify each as either spontaneous or nonspontaneous at these conditions. (a) MnO2(s)Mn(s)+O2(g) (b) H2(g)+Br2(l)2HBr(g) (c) Cu(s)+S(g)CuS(s) (d) 2LiOH(s)+CO2(g)Li2CO3(s)+H2O(g) (e) CH4(g)+O2(g)C(s,graphite)+2H2O(g) (f) CS2(g)+3Cl2(g)CCl4(g)+S2Cl2(g)arrow_forward
- Consider the Haber process: N2(g)+3H2(g)2NH3(g);H=91.8kJ The density of ammonia at 25C and 1.00 atm is 0.696 g/L. The density of nitrogen, N2, is 1.145 g/L, and the molar heat capacity is 29.12 J/(mol C). (a) How much heat is evolved in the production of 1.00 L of ammonia at 25C and 1.00 atm? (b) What percentage of this heat is required to heat the nitrogen required for this reaction (0.500 L) from 25C to 400C, the temperature at which the Haber process is run?arrow_forwardThe value of G for the reaction 2C4H10(g)+13O2(g)8CO2(g)+10H2O(l) is 5490. kJ. Use this value and data from Appendix 4 to calculate the standard free energy of formation for C4H 10(g).arrow_forwardWhat information can be determined from G for a reaction? Does one get the same information from G, the standard free energy change? G allows determination of the equilibrium constant K for a reaction. How? How can one estimate the value of K at temperatures other than 25C for a reaction? How can one estimate the temperature where K = 1 for a reaction? Do all reactions have a specific temperature where K = 1?arrow_forward
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