General Chemistry - Standalone book (MindTap Course List)
11th Edition
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
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Chapter 18.7, Problem 18.10E
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Chapter 18 Solutions
General Chemistry - Standalone book (MindTap Course List)
Ch. 18.2 - You have a sample of 1.0 mg of solid iodine at...Ch. 18.2 - Liquid ethanol, C2H5OH(l), at 25C has an entropy...Ch. 18.3 - Prob. 18.2ECh. 18.3 - Prob. 18.3ECh. 18.4 - Calculate G for the following reaction at 25C. Use...Ch. 18.4 - Prob. 18.5ECh. 18.4 - Prob. 18.6ECh. 18.4 - Prob. 18.2CCCh. 18.6 - Give the expression for K for each of the...Ch. 18.6 - Use the data from Table 18.2 to obtain the...
Ch. 18.6 - Prob. 18.9ECh. 18.6 - Prob. 18.3CCCh. 18.7 - Consider the decomposition of dinitrogen...Ch. 18.7 - The thermodynamic equilibrium constant for the...Ch. 18.7 - To what temperature must magnesium carbonate be...Ch. 18 - What is a spontaneous process? Give three examples...Ch. 18 - Which contains greater entropy, a quantity of...Ch. 18 - State the second law of thermodynamics.Ch. 18 - The entropy change S for a phase transition equals...Ch. 18 - Describe how the standard entropy of hydrogen gas...Ch. 18 - Describe what you would look for in a reaction...Ch. 18 - Define the free energy G. How is G related to H...Ch. 18 - What is meant by the standard free-energy change G...Ch. 18 - Prob. 18.9QPCh. 18 - Prob. 18.10QPCh. 18 - Prob. 18.11QPCh. 18 - Prob. 18.12QPCh. 18 - Prob. 18.13QPCh. 18 - Prob. 18.14QPCh. 18 - Prob. 18.15QPCh. 18 - Prob. 18.16QPCh. 18 - Prob. 18.17QPCh. 18 - You run a reaction that has a negative entropy...Ch. 18 - Prob. 18.19QPCh. 18 - Given the following information at 25C, calculate...Ch. 18 - Prob. 18.21QPCh. 18 - Prob. 18.22QPCh. 18 - For each of the following statements, indicate...Ch. 18 - Which of the following are spontaneous processes?...Ch. 18 - Prob. 18.25QPCh. 18 - Predict the sign of the entropy change for each of...Ch. 18 - Hypothetical elements A(g) and B(g) are introduced...Ch. 18 - Prob. 18.28QPCh. 18 - Prob. 18.29QPCh. 18 - Describe how you would expect the spontaneity (G)...Ch. 18 - Chloroform, CHCl3, is a solvent and has been used...Ch. 18 - Diethyl ether (known simply as ether), (C2H5)2O,...Ch. 18 - The enthalpy change when liquid methanol. CH3OH,...Ch. 18 - The heat of vaporization of carbon disulfide, CS2,...Ch. 18 - Predict the sign of S, if possible, for each of...Ch. 18 - Predict the sign of S, if possible, for each of...Ch. 18 - Calculate S for the following reactions, using...Ch. 18 - Calculate S for the following reactions, using...Ch. 18 - Calculate S for the reaction...Ch. 18 - What is the change in entropy, S, for the reaction...Ch. 18 - Using enthalpies of formation (Appendix C),...Ch. 18 - Using enthalpies of formation (Appendix C),...Ch. 18 - The free energy of formation of one mole of...Ch. 18 - The free energy of formation of one mole of...Ch. 18 - Calculate the standard free energy of the...Ch. 18 - Calculate the standard free energy of the...Ch. 18 - On the basis of G for each of the following...Ch. 18 - For each of the following reactions, state whether...Ch. 18 - Calculate H and G for the following reactions at...Ch. 18 - Calculate H and G for the following reactions at...Ch. 18 - Consider the reaction of 2 mol H2(g) at 25C and 1...Ch. 18 - Consider the reaction of 1 mol H2(g) at 25C and 1...Ch. 18 - What is the maximum work that could be obtained...Ch. 18 - What is the maximum work that could be obtained...Ch. 18 - Give the expression for the thermodynamic...Ch. 18 - Write the expression for the thermodynamic...Ch. 18 - What is the standard free-energy change G at 25C...Ch. 18 - What is the standard free-energy change G at 25C...Ch. 18 - Calculate the standard free-energy change and the...Ch. 18 - Calculate the standard free-energy change and the...Ch. 18 - Obtain the equilibrium constant Kc at 25C from the...Ch. 18 - Calculate the equilibrium constant Kc at 25C from...Ch. 18 - Use data given in Tables 6.2 and 18.1 to obtain...Ch. 18 - Use data given in Tables 6.2 and 18.1 to obtain...Ch. 18 - Sodium carbonate, Na2CO3, can be prepared by...Ch. 18 - Oxygen was first prepared by heating mercury(II)...Ch. 18 - Prob. 18.67QPCh. 18 - The combustion of acetylene, C2H2, is a...Ch. 18 - Prob. 18.69QPCh. 18 - Prob. 18.70QPCh. 18 - Acetic acid, CH3COOH, freezes at 16.6C. The heat...Ch. 18 - Acetone, CH3COCH3, boils at 56C. The heat of...Ch. 18 - Prob. 18.73QPCh. 18 - Prob. 18.74QPCh. 18 - Prob. 18.75QPCh. 18 - Ethanol burns in air or oxygen according to the...Ch. 18 - Acetic acid in vinegar results from the bacterial...Ch. 18 - Prob. 18.78QPCh. 18 - Is the following reaction spontaneous as written?...Ch. 18 - Is the following reaction spontaneous as written?...Ch. 18 - Prob. 18.81QPCh. 18 - The reaction N2(g)+3H2(g)2NH3(g) is spontaneous at...Ch. 18 - Prob. 18.83QPCh. 18 - Calculate G at 25C for the reaction...Ch. 18 - Prob. 18.85QPCh. 18 - Consider the reaction CS2(g)+4H2(g)CH4(g)+2H2S(g)...Ch. 18 - Prob. 18.87QPCh. 18 - a From a consideration of the following reactions,...Ch. 18 - For the reaction CH3OH(l)+32O2(g)2H2O(l)+CO2(g)...Ch. 18 - Prob. 18.90QPCh. 18 - Prob. 18.91QPCh. 18 - Tungsten is usually produced by the reduction of...Ch. 18 - For the decomposition of formic acid,...Ch. 18 - Prob. 18.94QPCh. 18 - For the reaction 2Cu(s)+S(s)Cu2S(s) H and G are...Ch. 18 - Prob. 18.96QPCh. 18 - When 1.000 g of gaseous butane, C4H10, is burned...Ch. 18 - When 1.000 g of ethylene glycol, C2H6O2, is burned...Ch. 18 - a Calculate K1, at 25C for phosphoric acid:...Ch. 18 - a Calculate K1, at 25C for sulfurous acid:...Ch. 18 - The direct reaction of iron(III) oxide. Fe2O3, to...Ch. 18 - Prob. 18.102QPCh. 18 - Prob. 18.103QPCh. 18 - Prob. 18.104QPCh. 18 - Prob. 18.105QPCh. 18 - Cobalt(II) chloride hexahydrate, CoCl26H2O, is a...Ch. 18 - Prob. 18.107QPCh. 18 - Hydrogen gas and iodine vapor react to produce...Ch. 18 - Silver carbonate, Ag2CO3, is a light yellow...Ch. 18 - Prob. 18.110QPCh. 18 - Adenosine triphosphate, ATP, is used as a...Ch. 18 - Prob. 18.112QPCh. 18 - Prob. 18.113QPCh. 18 - Prob. 18.114QPCh. 18 - Sodium acetate crystallizes from a supersaturated...Ch. 18 - According to a source, lithium peroxide (Li2O2)...Ch. 18 - Tetrachloromethane (carbon tetrachloride), CCl4,...Ch. 18 - Prob. 18.118QPCh. 18 - Prob. 18.119QPCh. 18 - Prob. 18.120QPCh. 18 - Prob. 18.121QPCh. 18 - Coal is used as a fuel in some electric-generating...Ch. 18 - Hydrogen bromide dissociates into its gaseous...Ch. 18 - Hydrogen gas and iodine gas react to form hydrogen...Ch. 18 - Prob. 18.125QPCh. 18 - Prob. 18.126QPCh. 18 - Ka for acetic acid at 25.0C is 1754 105. At...Ch. 18 - Ksp for silver chloride at 25.0C is 1.782 1010....
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- Hydrogen gas and iodine gas react to form hydrogen iodide. If 0.500 mol H2 and 1.00 mol I2 are placed in a closed 10.0-L vessel, what is the mole fraction of HI in the mixture when equilibrium is reached at 205C? Use data from Appendix C and any reasonable approximations to obtain K.arrow_forwardWrite an equation for an equilibrium system that would lead to the following expressions (ac) for K. (a) K=(Pco)2 (PH2)5(PC2H6)(PH2O)2 (b) K=(PNH3)4 (PO2)5(PNO)4 (PH2O)6 (c) K=[ ClO3 ]2 [ Mn2+ ]2(Pcl2)[ MNO4 ]2 [ H+ ]4 ; liquid water is a productarrow_forwardThe equilibrium constant Kc for the synthesis of methanol, CH3OH. CO(g)+2H2(g)CH3OH(g) is 4.3 at 250C and 1.8 at 275C. Is this reaction endothermic or exothermic?arrow_forward
- Show that the complete chemical equation, the total ionic equation, and the net ionic equation for the reaction represented by the equation KI(aq)+I2(aq)KI3(aq) give the same expression for the reaction quotient. KI3 is composed of the ions K+ and I3-.arrow_forwardAt 1 atm and 25 C, NO2 with an initial concentration of 1.00 M is 3.3103 decomposed into NO and O2. Calculate the value of the equilibrium constant for the reaction. 2NO2(g)2NO(g)+O2(g)arrow_forwardDistinguish between the terms equilibrium constant and reaction quotient. When Q = K, what does this say about a reaction? When Q K, what does this say about a reaction? When Q K. what does this say about a reaction?arrow_forward
- Consider the system 4 NH3(g) + 3 O2(g) ⇌ 2 N2(g) + 6 H20(ℓ) ΔrH° = −1530.4 kJ/mol How will the amount of ammonia at equilibrium be affected by removing O2(g) without changing the total gas volume? adding N2(g) without changing the total gas volume? adding water without changing the total gas volume? expanding the container? increasing the temperature? Which of these changes (i to v) increases the value of K? Which decreases it?arrow_forwardSuppose a reaction has the equilibrium constant K = 1.3 108. What does the magnitude of this constant tell you about the relative concentrations of products and reactants that will be present once equilibrium is reached? Is this reaction likely to be a good source of the products?arrow_forwardKc = 5.6 1012 at 500 K for the dissociation of iodine molecules to iodine atoms. I2(g) 2 I(g) A mixture has [I2] = 0.020 mol/Land [I] = 2.0 108 mol/L. Is the reaction at equilibrium (at 500 K)? If not, which way must the reaction proceed to reach equilibrium?arrow_forward
- What is the approximate value of the equilibrium constant KP for the change C2H5OC2H5(l)C2H5OC2H5(g) at 25 C. {Vapor pressure was described in the previous Chapter on liquids and solids; refer back to this chapter to find the relevant information needed to solve this problem.)arrow_forward12.103 Methanol, CH3OH, can be produced by the reaction of CO with H2, with the liberation of heat. All species in the reaction are gaseous. What effect will each of the following have on the equilibrium concentration of CO? (a) Pressure is increased, (b) volume of the reaction container is decreased, (c) heat is added, (d) the concentration of CO is increased, (e) some methanol is removed from the container, and (f) H2 is added.arrow_forwardAt room temperature, the equilibrium constant Kc for the reaction 2 NO(g) ⇌ N2(g) + O2(g) is 1.4 × 1030. Is this reaction product-favored or reactant-favored? Explain your answer. In the atmosphere at room temperature the concentration of N2 is 0.33 mol/L, and the concentration of O2 is about 25% of that value. Calculate the equilibrium concentration of NO in the atmosphere produced by the reaction of N2 and O2. How does this affect your answer to Question 11?arrow_forward
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