exam1_sol - 1. For each of the processes listed below...

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1. For each of the processes listed below indicate whether the entropy of the system and the entropy of the surroundings will increase, decrease, or stay the same. The system is indicated in bold in each case. For the cases A-G you do not need to give numerical answers. Whenever in doubt, you may want to briefly explain your thinking. A. (10) A cup of hot coffee in the classroom becomes cold during a lecture. B. (10) A can of soda is chilled in your fridge. C. (10) A chilled can of soda becomes warm in your room. D. (10) A glass of water freezes. E. (10) An empty tea cup falls and breaks upon impact with the floor. F. (10) A teaspoon of sugar is dissolved in a cup of coffee (the system here is the sugar and the coffee; neglect heat exchange with the surroundings). G. (10) One mole of a non-ideal gas is compressed from P = 1 bar to 2 bar in a reversible adiabatic process (i.e., there is no heat exchange with the surroundings) H. (20) 2 moles of an ideal gas are compressed from P = 1 bar to 3 bar at
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This note was uploaded on 09/06/2009 for the course CH 353M taught by Professor Lim during the Spring '08 term at University of Texas.

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exam1_sol - 1. For each of the processes listed below...

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