26 - CHM 11500 Lecture 26 Reading: pp. 250-252 2 2 This...

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CHM 11500 Lecture 26 Reading: pp. 250-252
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3 This Week in Chem Attend lecture, lab (check out), recitation Homework due Friday 12/9 Lab - Make sure you check out! Final, Tuesday 12/13, 8:00 AM (morning!) Hall of Music, 2 hours Pencil, PUID, non-programmable calculator, seat location
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4 4 Evaluations Online, in your Purdue email Provide feedback What helped you learn? Lecture, homework, learn smart modules, lab, recitation, etc. What do you suggest? What should we stop doing Ratemyprofessors.com Feedback for other students.
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Solar Energy Solar energy available in U.S. in 1 year is about 10 times energy available in ALL known oil reserves on the planet. Earth U.S. avg. solar radiation ~125 W/m2 ~250 W/m2 surface area 5.10 x 108 km2 (land: 1.49 x 108 km2) 9.63 x 106 km2 solar power available 6.38 x 1016 W (land: 1.86 x 1016 W) 2.41 x 1015 W solar energy available (1 yr) land: 1.63 x 1017 kWh 2.11 x 1016 kWh total energy consumption per year (2003) 1.23 x 1014 kWh 2.65 x 1013 kWh (22% of world) solar energy available/year ~1300 times consumption ~800 times consumption solar radiation hitting Earth’s surface (for overhead midday sun) = 925 W/m2 (power = energy per time, 1 W = 1 J/s)
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6 Question It is estimated that the total world’s oil reserves are 1.2 x 1012 barrels of oil (each barrel is 42 U.S. gallons or 159 L). Approximately much energy is contained in one barrel of oil? (hint: use information given on the previous slide) a. 5300 W b.
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26 - CHM 11500 Lecture 26 Reading: pp. 250-252 2 2 This...

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