exam_1_132_2008 - Chemistry 132 Hour Examination 1 February...

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Chemistry 132 Hour Examination 1 February 14, 2008 Name ( PRINT) ___________________________ Student number____________________________ Workshop Leader___________________________ There are four questions on this exam. You have up to 80 minutes to work this exam. Please be sure that you have a complete exam package. Please work exam problems on the pages provided. You will receive maximum credit for each problem if: You work neatly You show your work You circle your answers You indicate proper units If you need additional space to complete a problem, please tell us where to look for your solution. Total (130 points) Score 1. (35 points)_____________ 2. (25 points)_____________ 3. (35 points)_____________ 4. (35 points)_____________
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2 Name______________________________ 1. (35 points) A typical ice cube is 4 cm × 2 cm × 2 cm. The density of ice is 0.918 g cm -3 . The density of liquid water is 1.000 g cm -3 . a) (20 points) Assuming that the temperature of iced tea is to be 5º C, what is the minimum number of ice cubes that must be added to 500 cm 3 of concentrated tea initially at 23º C? Assume the temperature of the ice cubes is 0º C and the heat capacity of the tea is the same as the heat capacity of the pure water. Specific heat of water = 4.2 J/(K-gram)
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This note was uploaded on 09/30/2009 for the course PSYCHOLOGY 264 taught by Professor C during the Fall '08 term at Rochester.

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exam_1_132_2008 - Chemistry 132 Hour Examination 1 February...

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