Hw#2 - alexander (jla2439) Homework II Belay (20490) This...

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alexander (jla2439) – Homework II – Belay – (20490) 1 This print-out should have 32 questions. Multiple-choice questions may continue on the next column or page – fnd all choices beFore answering. 001 (part 1 oF 2) 10.0 points A gas expands From I to F in the fgure. The energy added to the gas by heat is 484 J when the gas goes From I to F along the diagonal path. 0 1 2 3 4 0 1 2 3 4 b b b b I A B F V (liters) P (atm) What is the change in internal energy oF the gas? Answer in units oF J. 002 (part 2 oF 2) 10.0 points How much energy must be added to the gas by heat For the indirect path IAF to give the same change in internal energy? Answer in units oF J. 003 (part 1 oF 2) 10.0 points A gas is taken through the cyclic process de- scribed by the fgure. 2 4 6 8 10 12 14 2 4 6 8 10 12 14 A B C V (m 3 ) P (kPa) ±ind the net energy transFerred to the sys- tem by heat during one complete cycle. Answer in units oF kJ. 004 (part 2 oF 2) 10.0 points IF the cycle is reversed (that is, the process Fol- lows the path ACBA), what is the net energy transFerred by heat per cycle? Answer in units oF kJ. 005 (part 1 oF 6) 10.0 points One mole oF gas is initially at a pressure oF 2 . 5 atm, volume oF 0 . 32 L and has an internal energy equal to 92 . 4 J. In its fnal state the gas is at pressure 0 . 5 atm and volume 0 . 75 L, and its internal energy equals 154 J. b b b b I B F A 0 . 5 2 . 5 0 . 32 0 . 75 V (litres) P (atm) ±or the path IA±, calculate the work done on the gas. Answer in units oF J. 006 (part 2 oF 6) 10.0 points ±or the path IB±, calculate the work done on
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alexander (jla2439) – Homework II – Belay – (20490) 2 the gas. Answer in units of J.
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This note was uploaded on 04/07/2010 for the course PHY 3 taught by Professor Belyy during the Spring '10 term at Florida State College.

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Hw#2 - alexander (jla2439) Homework II Belay (20490) This...

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