Unformatted text preview: ± ² ³ ± ´ µ¶ · . Hint: When using conservation of mass and the First Law on liquid N 2 choose your control volume to follow the liquid N 2 , don’t forget about the boundary work from the receding surface , and don’t integrate the conservation equations. 3) Problem 1114 4) Problem 1117 (I don’t agree with the book’s answer, I get 6.85 min). Use ρ milk = 1000 kg/m 3 , k milk = 0.608 W/m K, and Cv milk = 4180 J/kg K 5) Problem 1170, Ans: 295.1 K and 300.56 K 6) Problem 1172, Ans: T(0,5 min) = 361.5 °C...
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 Spring '11
 helum
 Thermodynamics, Entropy, First Law, following problems

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