May 2011
Beginner
492 pages
14h 16m
English
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Problems
Q1. Calculate the value of critical temperature for CO2 given that a = 0.00874 atm, b = 0.0023 cc assuming p = 1 atm, v = 1 cc and T = 273 K.
Ans. 307.4 K
Q2. Using the values of Tc = 5.3, pc = 2.25 atm, calculate a and b for gm-molecule of He gas.
Ans. a = 7.1× 10−5 b = 107.8× 10−5
Q3. Calculate the critical temperature and critical pressure from the following data: a = 6.15 × 10–5, b = 9.95 × 10–4 per gm-molecule where unit of pressure is the atmosphere and the unit of volume is the volume of the gas at N.T.P.
Ans. Tc =5 K, pc 2.3 atm
Q4. Show at the critical temperature the departure of the Van der Waals’ gas laws from that of the ideal gas pcvc/Tc = R measures 62.5 per cent.
Q5. Show that from the Dieterici equation of state ...
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