One mole of an ideal gas at $300 \ K$ is expanded isothermally from an initial volume of $1 \ L$ to $10 \ L$. The value of $\Delta E$ for this process is $(R = 2 \ cal \ mol^{-1} \ K^{-1})$.
- A$163.7 \ cal$
- Bzero
- C$138.1 \ cal$
- D$9 \ L \ atm$
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