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homework_8_answers - Grodin Micah Homework 8 Due Nov 1 2005...

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Grodin, Micah – Homework 8 – Due: Nov 1 2005, 11:00 pm – Inst: Sara Sutcliffe 1 This print-out should have 15 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. The due time is Central time. 001 (part 1 of 1) 10 points How many infrared active vibrations are there for CO 2 ? 1. 2 2. None 3. 3 correct 4. 1 5. 4 Explanation: 002 (part 1 of 1) 10 points For any given molecule, which is the more energetic motion? 1. vibration correct 2. rotation Explanation: 003 (part 1 of 1) 10 points Which process plays the most important role in the greenhouse effect? 1. Energy from the sun is absorbed by the earth. 2. Energy from the sun is absorbed by the atmosphere. 3. Energy radiated by the earth is absorbed by the atmosphere. correct 4. Energy from the sun is reflected back into the atmosphere. Explanation: 004 (part 1 of 1) 10 points Where is most of the carbon on earth found? 1. in the form of fossil fuels 2. in deep oceans correct 3. in the forests 4. in the atmosphere Explanation: 005 (part 1 of 1) 10 points Argon, which comprises almost 1% of the at- mosphere, is approximately 27 times more abundant than CO 2 , but does not contribute to global warming.
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