Heat and Thermodynamics 4 Question 21
23. A gas mixture consists of 2 moles of oxygen and 4 moles of argon at temperature . Neglecting all vibrational modes, the total internal energy of the system is
(1999, 2M)
(a)
(b)
(c)
(d)
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Solution:
- Internal energy of
moles of an ideal gas at temperature is given by
where,
Hence,