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Is it possible in increase the temperatu...

Is it possible in increase the temperature of a gas without adding heat to it ? Explain.

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Yes, during adiabatic compression the temperature of a gas increases while no heat is given to it.
In adiabatic compression, `" "dQ=0`
`therefore` From first law of thermodynamics, `dU=dQ-dW`
`" "dU=-dW`
In compression work is done on the gas i.e. , work done is negative.
Therefore, `" "dU=` Positive
Hence, internal energy of the gas increases due to which its temperature increases.
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