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A rigid container contains an ideal gas 40C which is stirred by a blade. The blade produces 200kJ of work. The temperature remains constant thanks

A rigid container contains an ideal gas 40C which is stirred by a blade. The blade produces 200kJ of work. The temperature remains constant thanks to a heat exchange with the surroundings which are 25C. Find a) the change in entropy of the ideal gas b) the change in entropy of the surroundings. Is the principle of increasing entropy verified for this process?

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