Question: Consider a piston - cylinder device initially filled with air at 4 0 0 kPa and 1 7 C . An electric stirrer is attached

Consider a piston

-

cylinder device initially filled with air at

400

kPa and

17 C .

An electric stirrer is attached to the cylinder. When the stirrer is on

, 75 \frac{k J}{k g}

of work is transferred to the air. During the process, heat is released to the surroundings due to poor insulation, and the volume of the air triples. Find the amount of heat energy transferred during the process if it is an isothermal process.

Consider a piston - cylinder device initially

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