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GT CHEM 1310 - CHEM 1310: Update

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1Week 12 CHEM 1310 - Sections L and M 1CHEM 1310: UpdateExam 1 Exam 2 Exam 3Final Exam: Mon, Dec 10 (2:50 - 5:40 pm)Chapters 1 - 5Chapters 12, 13, 16, 17Chapters 6-9Chapters 10, 15 Chemical Equilibrium Acids and Bases Applications of Aqueous Equilibria Energy, Enthalpy, and ThermochemistryExam 3Fri., Nov 16Week 12 CHEM 1310 - Sections L and M 2Energy, Enthalpy, & Thermochemistry 9.1 The Nature of Energy 9.2 Enthalpy 9.3 Thermodynamics of Ideal Gases 9.4 Calorimetry 9.5 Hess’s Law 9.6 Standard Enthalpies of Formation 9.7 Present Sources of Energy 9.8 New Energy SourcesWeek 12 CHEM 1310 - Sections L and M 3Fossil Fuels Fossil fuels account for 85% of the world’senergy consumption Coal Natural Gas Oil2Week 12 CHEM 1310 - Sections L and M 4Fossil Fuels Coal is obtained from 3 regions in the USWeek 12 CHEM 1310 - Sections L and M 5“Clean” Fuel: HydrogenCH4 + H2O CO + 3 H2SteamReformingNiHeatApplications include batteriesfor space shuttles and for cars(~200 in CA).Week 12 CHEM 1310 - Sections L and M 6Renewable Energy Sources Solar Wind Geothermal Biomass HydropowerSolar Electric Generating Units10 in CA4 in AZ+ smaller units throughout US3Week 12 CHEM 1310 - Sections L and M 7Renewable Energy Sources Solar Wind Geothermal Biomass HydropowerOff-shore Danish Wind Farmwww.EVWorld.com Generator in wind machine converts mechanical energyinto electricityWeek 12 CHEM 1310 - Sections L and M 8Renewable Energy Sources Solar Wind Geothermal Biomass HydropowerGeothermal (heat from earth’s crust) energy can be obtained from volcanoes, geysers, and hot springs.Week 12 CHEM 1310 - Sections L and M 9Renewable Energy Sources Solar Wind Geothermal Biomass HydropowerBurn waste to release energyFerment corn to produce fuelHarness natural gas emissions4Week 12 CHEM 1310 - Sections L and M 10Renewable Energy Sources Solar Wind Geothermal Biomass HydropowerMovement of water turns blades in turbines which spingenerators, producing electrical energyWeek 12 CHEM 1310 - Sections L and M 11Exam #3 Review Ch. 6 - Chemical Equilibrium Ch. 7 - Acids & Bases Ch. 8 - Applications of Equilibria Ch. 9 - ThermochemistryShow Model ScanTron Sheet Week 12 CHEM 1310 - Sections L and M 12PRS Question For water near its triple point, Hfus = 6.0 kJ/moland ∆Hvap = 45.0 kJ/mol. Thus, ∆H for thesublimation process, H2O(s) → H2O(g), is:1. 6.0 kJ/mol2. 39.0 kJ/mol3. 45.0 kJ/mol4. 51.0 kJ/mol5Week 12 CHEM 1310 - Sections L and M 13PRS Question For water near its triple point, Hfus = 6.0 kJ/moland ∆Hvap = 45.0 kJ/mol. Thus, ∆H for thesublimation process, H2O(s) → H2O(g), is:1. 6.0 kJ/mol2. 39.0 kJ/mol3. 45.0 kJ/mol4. 51.0 kJ/molH2O(s) → H2O(l) ∆Hfus = 6.0 kJ mol–1H2O(l) → H2O(g) ∆Hvap = 45.0 kJ mol–1H2O(s) → H2O(g) Add ∆H valuesWeek 12 CHEM 1310 - Sections L and M 14PRS Question How much heat energy is required to raise thetemperature of 0.298 mole of water from 35.93°Cto 79.84°C?1. 13.09 J2. 54.7 J3. 985 J4. 3310 JCs for H2O(l) = 4.18 Jg-1°C-1Week 12 CHEM 1310 - Sections L and M 15PRS Question How much heat energy is required to raise thetemperature of 0.298 mole of water from 35.93°Cto 79.84°C?1. 13.09 J2. 54.7 J3. 985 J4. 3310 J6Week 12 CHEM 1310 - Sections L and M 16PRS Question For a balloon expanding againstatmospheric pressure, the work w done onthe balloon is:1. Positive2. Negative3. Of indeterminate sign4. Zero5. This cannot be answered without additional informationWeek 12 CHEM 1310 - Sections L and M 17PRS Question For a balloon expanding againstatmospheric pressure, the work w done onthe balloon is:1. Positive2. Negative3. Of indeterminate sign4. Zero5. This cannot be answered without additional


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