Question

A student living in a 3-m x 4-m x 4-m dormitory room turns on her 100-W fan before
she leaves the room on a summer day, hoping that the room will be cooler when she
comes back in the evening. Assuming all the doors and windows are tightly closed and
disregarding any heat transfer through the walls and the windows, determine the
temperature in the room when she comes back 8 h later. Use specific heat values at
room temperature, and assume the room to be at 100 kPa and 20oC in the morning when
she leaves.

Answer 1

Answer:

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Explanation:

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