LCPO CHEMISTRY W/MODIFIED MASTERING8th EditionRobinson Publisher: PEARSONISBN: 9780135214756
LCPO CHEMISTRY W/MODIFIED MASTERING
Solutions for LCPO CHEMISTRY W/MODIFIED MASTERING
Problem 18.1P:
Which of the following reactions has a decrease in entropy (S0)? a. CO2(s)CO2(g) b. I2(g)2I(g) c....Problem 18.2A:
CONCEPTUAL APPLY 18.2 Consider the gas-phase reaction of A2 molecules (red) with B atoms (blue):...Problem 18.3P:
Consider the distribution of ideal gas molec ules among three bulbs (A. B, and C) of equal volume....Problem 18.4A:
(a) Which state has the higher entropy? Explain in terms of probability. State A: 1 mol of N2 gas at...Problem 18.5P:
Calculate the standard entropy of reaction for hydrogen gas reacting with oxygen gas to form liquid...Problem 18.7P:
Calculate the value of Stotal, and decide whether the decomposition of calcium carbonate is...Problem 18.8A:
Use the values of Hof, and So in Appendix B to estimate the boiling point of Br2 in degrees Celsius.Problem 18.9P:
Consider the decomposition of gaseous N2O4: N2O4(g)2NO2(g)So=+175.7J/K Estimate the temperature...Problem 18.11P:
Consider the thermal decomposition of calcium carbonate: CaCO3(s)CaO(s)+CO2(g) Use the data in...Problem 18.12A:
Consider the following endothermic decomposition of AB2 moelcules: What is the sign (+,,or0) of So...Problem 18.14A:
(a) Using values of Gof in Table 18.3, calculate the standard free-energy change Go for the reaction...Problem 18.16A:
Consider the following gas-phase reaction of A2 (red) and B2 (blue) molecules: A2+B22ABGo=15kJ Which...Problem 18.21P:
Two complementary strands of DNA arey placed in solution and spontaneously from a double strand....Problem 18.26CP:
17.28 Consider the gas-phase reaction of AB3 and A2 molecules:
(a) Write a balanced equation for...Problem 18.27CP:
17.29 Ideal gases A (red spheres) and B (blue spheres) occupy two separate bulbs. The contents of...Problem 18.28CP:
What are the signs (+, —, or 0) of H, S, and G for the spontaneous sublimation of a crystalline...Problem 18.31CP:
17.33 Consider the following spontaneous reaction of A2 molecules (red) and B2 molecules...Problem 18.33CP:
Consider again the dissociation reaction A2g 2 A(g) (Problem 17.34). (a) What are the signs (+, —,...Problem 18.38SP:
Which of the following processes are spontaneous, and which are nonspontaneous? (a) Freezing of...Problem 18.40SP:
Assuming that gaseous reactants and products are present at 1 atm partial pressure, which of the...Problem 18.44SP:
17.46 Predict the sign of the entropy change in the system for each of
the following processes:
(a)...Problem 18.45SP:
Predict the sign of S in the system for each of the following reactions: (a) PCl5sPCl3l+Cl2g (b)...Problem 18.49SP:
Consider a disordered crystal of monodeuteriomethane in which each tetrahedral CH3D molecule is...Problem 18.56SP:
Which state in each of the following pairs has the higher entropy per mole of substance? H2 at 25oC...Problem 18.58SP:
What is the entropy change when the volume of 1.6 g of O2 increases from 2.5 L to 3.5 L at a...Problem 18.64SP:
Use the standard molar entropies in Appendix B to calculate the standard entropy of reaction for the...Problem 18.66SP:
Use the standard molar entropies in Appendix B to calculate So at 25oC for each of the following...Problem 18.67SP:
Use the So values in Appendix B to calculate So at 25o C for each of the followign reactions....Problem 18.69SP:
An isolated system is one that exchanges neither matter nor energy with the surroundings. What is...Problem 18.70SP:
Give an equation that relates the entropy change in the Ssurr roundings to the enthalpy change in...Problem 18.72SP:
Reduction of mercury (II) oxide with zinc gives metallic mercury: HgO(s)+Zn(s)ZnO(s)+Hg(l) If...Problem 18.73SP:
Elemtal sulfur is formed by the reaction of zinc sulfide with oxygen: 2ZnS(s)+O2(g)2ZnS(s)+2S(s) If...Problem 18.74SP:
In lightning storms, oxygen is converted to ozone: 3O2(g)2O3(g) By determining the sign of Stotal...Problem 18.75SP:
Sulfur dioxide emitted from coal-fired power plants is oxidized to sulfur trioxide in the...Problem 18.76SP:
Elemental mercury can be produced from its oxide: 2HgO(s)2Hg(l)+O2(g) Use data in Appendix B to...Problem 18.77SP:
Phosphorus pentachloride forms from phosphorus trichloride the chlorine: PCl3(g)+Cl2(g)PCl5(g) Use...Problem 18.78SP:
For the vaporizatio of benzene, Hvap=30.7kJ/mol and Svap=87.0J/K.mol). Calculate Ssurr, and Stotal...Problem 18.83SP:
Which of the following reactions will be spontaneous at any temperature? H=+,S=- H=,S=- H=+,S=+...Problem 18.85SP:
Consider a twofold expansion of 1 mol of an ideal gas at 25 °C in the isolated system shown in...Problem 18.88SP:
Calculate the melting point of benzoic acid (C6H5CO2H) given the follwing date Hfusion=18.02kJ/mol...Problem 18.89SP:
Calculate the enthalpy of fusion of naphthalene (C10H8), given that its melting point is 128 oC and...Problem 18.91SP:
Chloroform (CHCI3) has a normal boiling point of 61 °C and an enthalpy of vaporization of 29.24...Problem 18.94SP:
Use the data in Appendix B to calculate Ho and So for each of the following reactions. From the...Problem 18.95SP:
Use the data in Appendix B to calculate Ho and So for each of the following reactions. From the...Problem 18.96SP:
Use the standard free energies of formation in Appendix B to calculate Go at 25oC for the reaction...Problem 18.100SP:
Use the values of in Appendix B to calculate the standard free-energy change for the synthesis of...Problem 18.102SP:
Ethanol is manufactured in indsutry by the hydration of ethylene: CH2=CH2(g)+H2O(l)CH3CH2OH(l) Using...Problem 18.108SP:
Use the data in Appendix B to calculate .G for the decomR AN position of nitrosyl chloride at 25 °C...Problem 18.110SP:
Sulfuric acid is produced in larger amounts by weight than RAN any other chemical. It is used in...Problem 18.111SP:
Urea (NH2CONH2) , an important nitrogen fertilizer, is produced industrially by the reaction...Problem 18.112SP:
What is the relationship between the standard free-energy change, Go , for a reaction and the...Problem 18.114SP:
Given values of Gof at 25 °C for liquid ethanol (174.9kJ/mol) and gaseous ethanol (167.9kJ/mol) ,...Problem 18.116SP:
If Gof for gaseous bromine is 3.14 kJ/mol at 25oC, what is the vapor pressure of bromine at 25oC?Problem 18.118SP:
Ethylene oxide, C2H4O, is used to make antifreeze (ethylene glycol, (HOCH2CH2OH) . It is produced...Problem 18.119SP:
The first step in the commerical producton of titanium metal is the reaction of rutile (TiO2) with...Problem 18.120SP:
Ammonium nitrate is dangerous because it decomposes RAN (sometimes explosively) when heated:...Problem 18.124SP:
Consider the Haber synthesis of gaseous NH3(Hof=46.1kJ/mol;Gof=16.5kJ/mol): N2(g)+3H2(g)2NH3(g) Use...Browse All Chapters of This Textbook
Chapter 1 - Chemical Tools Experimentation And MeasurementChapter 2 - Atoms, Molecules, And IonsChapter 3 - Mass Relationships In Chemical ReactionsChapter 4 - Reactions In Aqueous SolutionChapter 5 - Periodicity And The Electronic Structure Of AtomsChapter 6 - Ionic Compounds Periodic Trends And Bonding TheoryChapter 7 - Covalent Bonding And Electron-dot StructuresChapter 8 - Covalent Compounds Bonding Theories And Molecular StructureChapter 9 - Thermochemistry Chemical EnergyChapter 10 - Gases Their Properties And Behavior
Chapter 11 - Liquids And Phase ChangesChapter 12 - Solids And Solid-state MaterialsChapter 13 - Solutions And Their PropertiesChapter 14 - Chemical KineticsChapter 15 - Chemical EquilibriumChapter 16 - Aqueous Equilibria: Acids And BasesChapter 17 - Applications Of Aqueous EquilibriaChapter 18 - Thermodynamics: Entropy, Free Energy, And SpontaneityChapter 19 - ElectrochemistryChapter 20 - Nuclear ChemistryChapter 21 - Transition Elements And Coordination ChemistryChapter 22 - The Main-group ElementsChapter 23 - Organic And Biological Chemistry
Sample Solutions for this Textbook
We offer sample solutions for LCPO CHEMISTRY W/MODIFIED MASTERING homework problems. See examples below:
Chapter 1, Problem 1.1PChapter 2, Problem 2.1PIn left box, reactant side, two red spheres are stick together and green spheres are independent....Given:Volume of tea beverage =355 ml Mass of sucrose =43.0 g Formula used:Molarity =number of moles...Chapter 5, Problem 5.1PThe cation Ni2+ is formed when parent atom Ni loses two electrons. Ni has an atomic number 28, that...Chapter 7, Problem 7.1PThe electron dot structure of H3O+is, It has three bonds and one pair of lone electrons. So, its...Here, since the volume contract so, change in volume is calculated as: ΔV=4.3 L−8.6 L=−4.3 L Work...
Chapter 10, Problem 10.1PGiven information: The value of P 1 is 400 mmHg, P 2 is 760 mmHg, T1 is 41°C , T2 is 331.9 K and R...Chapter 12, Problem 12.1PPolar organic compounds with less than six carbon atoms, low molecular weight, are soluble in both...The oxidation of Iodine ion by Arsenic acid (H3AsO4) follows the below balanced equation - 3I−(aq) +...Chapter 15, Problem 15.1PChapter 16, Problem 16.1PChapter 17, Problem 17.1PChapter 18, Problem 18.1PChapter 19, Problem 19.1PIn the given nuclear reaction, R44106u is involved in beta decay and emit one beta particle. The...The sum of the oxidation number of all the atoms that are present in the neutral compound is equal...Chapter 22, Problem 22.1P3,5-dimethylheptane consists of a heptane linear alkyl chain ring and methyl groups attached to...
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