A Spherical Object 25

question 26

Short Answer

A spherical object 25.0 cm in diameter having an emissivity of 0.800 is held at a temperature of 275°C by an internal heater.This object is embedded in a very large vat of water at 100.0°C and atmospheric pressure.At what maximum rate (in g/min)is the water evaporating in the vat due to the radiated heat it receives from the object? You can ignore any heat radiated by the water.The latent heat of fusion for water is 33,400 J/kg,its latent heat of vaporization is
2.26 × 10⁶ J/kg,and the Stefan-Boltzmann constant is 5.670 × 10^-8 W/m² · K⁴.

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Definitions:

Depressed

A condition characterized by a reduced mood and lack of interest in actions, influencing an individual's thoughts, actions, emotions, and overall health.

Frowns

Facial expressions indicating displeasure, concern, or disapproval, usually characterized by a furrowing of the brow.

Sighs

Deep and long breaths that often express relief, tiredness, or similar emotions, and serve physiological functions such as lung inflation.

Shoulders

The upper part of the human body between the neck and the upper arm, containing the shoulder joint and associated muscles.