Weber, Harold C. Chemical Engineer, Boston, Massachusetts.
Steele, William A. Formerly, Department of Chemistry, Pennsylvania State University, University Park, Pennsylvania.
- Additional Readings
Energy that is in transit, but unassociated with matter, and that results from a temperature difference between the source from which the energy is coming and the sink toward which the energy is going. For the purposes of thermodynamics, it is convenient to define all energy while in transit as either heat or work. Energy is not called heat before it starts to flow or after it has ceased to flow. A hot object does contain energy, but calling this energy heat as it resides in the hot object can lead to widespread confusion. See also: Energy; Internal energy
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