1 Keys To The Study Of Chemistry 2 The Components Of Matter 3 Stoichiometry Of Formulas And Equations 4 Three Major Classes Of Chemical Reactions 5 Gases And The Kinetic-molecular Theory 6 Thermochemistry: Energy Flow And Chemical Change 7 Quantum Theory And Atomic Structure 8 Electron Configuration And Chemical Periodicity 9 Models Of Chemical Bonding 10 The Shapes Of Molecules 11 Theories Of Covalent Bonding 12 Intermolecular Forces: Liquids, Solids, And Phase Changes 13 The Properties Of Solutions 14 Periodic Patterns In The Main-group Elements 15 Organic Compounds And The Atomic Properties Of Carbon 16 Kinetics: Rates And Mechanisms Of Chemical Reactions 17 Equilibrium: The Extent Of Chemical Reactions 18 Acid-base Equilibria 19 Ionic Equilibria In Aqueous Systems 20 Thermodynamics: Entropy, Free Energy, And The Direction Of Chemical Reactions 21 Electrochemistry: Chemical Change And Electrical Work 22 Transition Elements And Their Coordination Compounds 23 Nuclear Reactions And Their Applications expand_more
Chapter Questions expand_more
Problem 6.1P Problem 6.2P: An adiabatic process is one that involves no heat transfer. What is the relationship between work... Problem 6.3P: Name a common device used to accomplish each change: Electrical enegy to thermal energy Electrical... Problem 6.4P Problem 6.5P: A system receives 425 J of heat from and delivers 425 J of work to its surroundings. What is the... Problem 6.6P: A system releases 255 cal of heat to the surroundings and delivers 428 cal of work. What is the... Problem 6.7P Problem 6.8P Problem 6.9P: The nutritional calorie (Calorie) is equivalent to 1 kcal. One pound of body fat is equivalent to... Problem 6.10P: Classify the following processes as exothermic or endothermic: (a) freezing of water; (b) boiling of... Problem 6.11P: Why can we measure only changes in enthalpy, not absolute enthalpy values? Problem 6.12P: Draw an enthalpy diagram for a general exothermic reaction; label the axis, reactants, products, and... Problem 6.13P Problem 6.14P Problem 6.15P Problem 6.16P: Write a balanced equaĂ¼on and draw an approximate enthalpy diagram for (a) combustion of 1 mol of... Problem 6.17P: Write a balanced equation and draw an approximate enthalpy diagram for (a) sublimation of dry ice... Problem 6.18P: The circles represent a phase change at constant temperature: Is the value of each of the following... Problem 6.19P: The scenes below represent a physical change takign place in a piston-cylinder assembly: Is... Problem 6.20P: What data do you need to determine the specific heat capacity of a substance? Problem 6.21P: Is the specific heat capacity of a substance an intensive or extensive property? Explain. Problem 6.22P: Find q when 22.0 g of water is heated from 25.0C to 100.C. Problem 6.23P Problem 6.24P: A 295-g aluminum engine part at an initial temperature of 13.00C absorbs 75.0 k J of heat. What is... Problem 6.25P: A 27.7-g sample of the radiator coolant ethylene glycol releases 688 J of heat. What was the initial... Problem 6.26P: Two iron bolts of equal mass-one at 100.C, the other at 55C-are placed in an insulated container.... Problem 6.27P Problem 6.28P: When 155 mL of water at 26C is mixed with 75 mL of water at 85C, what is the final temperature?... Problem 6.29P Problem 6.30P Problem 6.31P Problem 6.32P: When 25.0 mL of 0.500MH2SO4 is added to 25.0 mL of 1.00MKOH in a coffee-cup calorimeter at 23.50C,... Problem 6.33P: Would you expect O2(g)20(g) to have a positive or a negative H? Explain. Problem 6.34P: Is H positive or negative when 1 mol of water vapor condenses to liquid water? Why? How does this... Problem 6.35P Problem 6.36P: Consider the following balanced thermochemical equation for the decomposition of the mineral... Problem 6.37P: When 1 mol of NO(g) forms from Its elements, 90.29 kJ of heat is absorbed, (a) Write a balanced... Problem 6.38P Problem 6.39P: Liquid hydrogen peroxide, an oxidizing agent in many rocket fuel mixtures, releases oxygen gas on... Problem 6.40P Problem 6.41P: Most ethylene (C2H4), the starting material for producing polyethylene, comes from petroleum... Problem 6.42P Problem 6.43P Problem 6.44P: Calculate H for Ca(s)+12O2(g)+CO2(g)CaCO3(s) Given the following reactions:... Problem 6.45P: Calculate H for 2NOCl(g)N2(g)+O2(g)+Cl2(g) given the following reactions:... Problem 6.46P: Write the balanced overall equation (equation 3) for the following process, calculate Hoverall and... Problem 6.47P: Write the balanced overall equation (equation 3) for the followign process, calculate Hoverall, and... Problem 6.48P: Diamond and graphite are two crystalline forms of carbon. At 1 atm and 25C, diamond changes to... Problem 6.49P Problem 6.50P Problem 6.51P: Use Table 6.3 or Appendix B to write a balanced formation equation at standard conditions for each... Problem 6.52P Problem 6.53P: Calculate Hrxno for each of the following:... Problem 6.54P: Calculate Hrxno for each of the following:... Problem 6.55P: Copper(I) oxide can be oxidized to copperr (II) oxide: Cu2O(s)+12O2(g)2CuO(s)Hrxn0=146.0kJ Given Hf0... Problem 6.56P Problem 6.57P: Nitroglycerine, C3H5(NO3)3(l), a powerful explosive used in mining, detonates to produce a hot... Problem 6.58P: The common lead-acid car battery produces a large burst of current, even at low temperatures, and is... Problem 6.59P: Stearic acid (C18H36O2) is a fatty acid, a molecule with a long hydrocarbon chain and an organic... Problem 6.60P: A ballonist begins a trip in a helium-filled balloon in early morning when the temperature is 15C.... Problem 6.61P Problem 6.62P Problem 6.63P Problem 6.64P Problem 6.65P: Four 50.-g sample of different liquids are placed in separate beakers at Tinitial=25.00oC. Each... Problem 6.66P: When simple sugars, called monosaccharides, link together, they form a variety of complex sugars... Problem 6.67P: Reaction of gaseous CIF with F2 yields liquid CIF3, an important fluorinating agent. Use the... Problem 6.68P Problem 6.69P: When organic matter decomposes under oxygen-free (anaerobic) conditions, methane is one of the... Problem 6.70P: The heat of atomization (Hatomo) is the heat needed to form separated gaseous atoms from a substance... Problem 6.71P Problem 6.72P Problem 6.73P: An aqueous wastes stream with a maximum concentration of 0.50MH2SO4(d=1.030g/mLat25oC) is... Problem 6.74P: Kerosene, a common space-heater fuel, is a mixture of hydrocarbons whose average formula is C12H26.... Problem 6.75P Problem 6.76P: Phosphorus pentachloride is used in the industrial preparation of organic phosphorus compounds.... Problem 6.77P Problem 6.78P: Silicon tetrachloride is produced annually on the multikiloton scale and used in making... Problem 6.79P Problem 6.80P: You want to determine Ho for the reaction Zn(s)+2HCl(aq)ZnCl2(aq)+H2(g) To do so, you first... Problem 6.81P Problem 6.82P Problem 6.83P: Liquid methanol (CH3OH) can be used as an alternative fuel in picking and SUV engines. An industrial... Problem 6.84P: How much heat is released when 25.0 g of methane burns in excess O2 to form gaseous CO2andH2O?... format_list_bulleted