A) 0
B) \[\frac{5}{2}nRT\]
C) \[\frac{3}{2}\,nRT\]
D) \[\frac{1}{2}\,nRT\]
Correct Answer: B
Solution :
| [d] \[{{u}_{i}}=N\,\frac{5}{2}RT\] |
| \[{{u}_{f}}\,=2n\,\frac{3}{2}\,RT+(N-n)\frac{5}{2}RT\] |
| \[=\frac{1}{2}\,nRT\,+\frac{5}{2}\,nRT\] |
| \[\Delta u=Q=\frac{1}{2}nRT\] |
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