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Unformatted text preview: Quiz 3a Name: Date: Phys224 Spring 2010 Dr. P. Hanlet Concept (3 points each) 1. In the adjacent figure, the four rectangular metal plates have sides of length, L , 2 L , or 3 L . All have the same thickness, are made of the same material, and have identical temperature increase, T . Rank the plates according to their increase in area (smallest first). (A) (C) (B) (D) (a) A B C D (b) A D B C (c) D C A B (d) D A C B (e) B A D C 2. For water: L V =2256 kJ/kg L F =333 kJ/kg c ice =2 . 05 kJ/kg/K c liquid =4 . 18 . 0 kJ/kg/K c gas =2 . 08 kJ/kg/K Place the following in increasing order of the amount of heat required: Q lg- vaporizing 1 . 0 kg of water Q sl- melting 1 . 0 kg of ice Q l- heating 1 . 0 kg of water from 1 C to 100 C Circle the correctly ordered answer: (a) Q lg Q sl Q l (b) Q lg Q l Q sl (c) Q sl Q lg Q l (d) Q sl Q l Q lg (e) Q l Q lg Q sl (f) Q l Q sl Q lg 1 Problem (5 pts) Show your work!!! If I can read it, I will give you partialShow your work!...
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