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A certain mass of a gas is taken at 0^(@...

A certain mass of a gas is taken at `0^(@)C` in a cylinder whose walls are perfect insulators. The gas is compressed (a) slowly, (b) suddenly till its pressure is increased to 20 times the initial pressure `(gamma=1.4)`. Calculate the final temperature in each case.

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The correct Answer is:
In each case final temperture is `389.2^@C`
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