CH304K_T4_Practice Exam Key

CH304K_T4_Practice Exam Key - CH 304K, Fall 2009 Dr. Sparks...

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CH 304K, Fall 2009 Dr. Sparks Practice Exam 4 Disclaimer: This is not an all-inclusive list of questions and topics! Make sure you study the homework, quizzes (posted on the webpage, as always!), course packet questions, and your class notes. MULTIPLE CHOICE: 1. In nuclear fission , which is true? A. Electrons are combining to form larger, negatively charged particles. B. Two or more smaller atoms combine to form one larger atom. C. Individual protons are splitting into smaller pieces. D. One large atom splits into two or more smaller atoms. 2. Consider to samples of water. Sample A contains 90g of water at a temperature of 75°C. Sample B contains 55g water at a temperature of 60°C. Which is true? A. Molecules in both samples have the same average kinetic energy but Sample B contains more heat. B. Molecules in both samples have the same average kinetic energy but Sample A contains more heat. C. Both samples contain the same amount of heat but molecules in Sample A have a higher average kinetic energy. D. Both samples contain the same amount of heat but molecules in Sample B have a higher average kinetic energy. E. Both samples contain the same amount of heat and molecules in both samples have the same average kinetic energy. F. Molecules in sample A have a higher average kinetic energy and sample A contains a greater amount of heat. G. Molecules in sample B have a higher average kinetic energy and sample B contains a greater amount of heat. 3. Nuclear fusion bombs (hydrogen bombs or thermonuclear bombs) are_____________ powerful than fission bombs and utilize a __________ reaction to provide the activation energy for the fusion reaction. A.
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This note was uploaded on 01/19/2010 for the course CH 53435 taught by Professor Sparks during the Fall '09 term at University of Texas at Austin.

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CH304K_T4_Practice Exam Key - CH 304K, Fall 2009 Dr. Sparks...

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