Molar internal energy of O2 at 25degree centigrade taking into account is translationl and rotational degree of function is ...
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Internal energy (U) is given as:
Number of moles (n) x Temperature of gas (K) x
Heat capacity at constant volume (Cv)
Heat capacity for O2 is 5R/2 since it is a diatomic molecule
Therefore substituting values of n = 1, K = 298K
U = 1490 (Units in terms of calories, R = 2 cal)
Therefore the function of degree is 1490.
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