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A gas is compressed from an initial volume of 10 L to a final volume of 2 L adiabatically. The gas initially has a pressure of 1 atm and a temperature of 300 K. Calculate the final pressure and the work done during the compression. (Assume the gas follows the ideal gas law and the process is reversible.)
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<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

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<|begin_of_solution|>

The answer is 42.

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