A liquid is irregularly stirred in a well-insulated container and thereby undergoes a rise in temperature. Regard the liquid as the system. Has heat been transferred? How can you tell? Has work been done? How can you tell? Why is it important that the stirring is irregular? What is the sign of U ? How can you tell?
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A liquid is irregularly stirred in a well-insulated container
and thereby undergoes a rise in temperature. Regard the liquid as the
system. Has heat been transferred? How can you tell? Has work been
done? How can you tell? Why is it important that the stirring is irregular?
What is the sign of U ? How can you tell?
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