A) 3RT
B) 9RT
C) 11RT
D) None of these
Correct Answer: C
Solution :
Interval energy of n moles of an ideal gas at temperature T is given by \[U=n\left( \frac{f}{2}RT \right)\](degree of freedom) f, for \[{{O}_{2}}\] is 5 and for Ar is 3 \[\therefore \,\,\,\,\,\,\,\,\,\,\,\,\,\,U={{U}_{{{O}_{2}}}}+{{U}_{Ar}}\] \[=\,\,\,\,2\left[ \frac{5}{2}RT \right]+4\left[ \frac{3}{2}RT \right]\,\,=\,\,11\,RT\]You need to login to perform this action.
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