PracticeEx1 - Practice Exam 1 R = 8.314 J(K mol 1atm = 101325 Pa 1 L =10-3 m3 g = 9.8 m/s2 0 C = 273.15 K 1 True/False Classify the statements

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Practice Exam 1 R = 8.314 J/(K mol) , 1atm = 101325 Pa, 1 L =10 -3 m 3 , g = 9.8 m/s 2 , 0 C = 273.15 K 1 . True/False. Classify the statements below as either True or False (No explanation required). (a) Thermodynamics can be applied to any system irrespective of the number of particles in the system. (b) The energy change of a gas is equivalent to the heat transferred to the gas in an isochroric process (i.e. volume is fixed). (c) System does minimum work on the surrounding in the reversible process. (d) dT C dU V is true for ideal gases. (e) In a reversible process, the entropy of a system always remains constant. (f) The entropy of the surrounding increases more in the irreversible process than the reversible one. 2. Calculate the work done on the ideal gas ( w ) for the following examples in Joules (J). Specify the sign of the work. (a) The volume of an ideal gas changes from 1L to 3 L at an initial temperature of 25 C and a constant external pressure of 1 atm. (b)
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This note was uploaded on 09/26/2010 for the course CH 353M taught by Professor Lim during the Fall '08 term at University of Texas at Austin.

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PracticeEx1 - Practice Exam 1 R = 8.314 J(K mol 1atm = 101325 Pa 1 L =10-3 m3 g = 9.8 m/s2 0 C = 273.15 K 1 True/False Classify the statements

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