Elementary Principles 270 - 7.47(a When T = 0 o C H = 0...

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7-25 7.47 (a) When TH == = 00 0 o ref o C, T C ± , (b) Energy Balance-Closed System: Δ U = 0 ΔΔ EEQ W kp ,, , = (°C) 25 g Fe, 175°C T 20°C 25 g Fe f 1000 g H 2 O(l) 1000 g H 2 O UT U T U U ff Fe H O Fe H O 22 C C , 1 a t m di bg b g +− ° °= 175 20 0 or Δ Δ UU Fe H O 2 += Δ U T T f f Fe g 4.13 cal 4.184 J g cal J = =− 250 175 432 175 . Table B.5 1.0 L g J 1 L g J 432 HO 2 2 2 2 ⇒= ⇒+ × Δ U UT TU T f T f
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This note was uploaded on 02/27/2012 for the course CHEMICAL E 312 taught by Professor Cheung during the Fall '11 term at The University of Akron.

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