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At 27^@C two moles of an ideal monoatomi...

At `27^@C` two moles of an ideal monoatomic gas occupy a volume V. The gas expands adiabatically to a volume 2V. Calculate (i) the final temperature of the gas, (ii) change in its internal energy, and (iii) the work done by the gas during this process.

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The correct Answer is:
`189K,313J,-3013J`
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