hw2 - Department of Chemical Engineering University of...

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Department of Chemical Engineering ChE 110A University of California, Santa Barbara Winter 2010 Problem Set No. 2 Due: Wednesday, January 13, 2010 Objective : To understand and perform calculations using fundamental mechanical relations in thermodynamics. Note: Numerical values for some problems have been changed from those in the book. Problem 1 (thought problem) A sealed, rigid container of water is heated to a high temperature. The pressure of the water inside the container grows very high, while outside it remains at atmospheric levels. Across the container walls, which have the same interior and exterior areas, this would imply that the total forces from the interior water and exterior environments differ, yielding a net force on the walls that should produce motion by Newton’s laws. In reality, the container remains rigid and its walls do not move. Why is this so? Is the net force on the container walls really nonzero? What force would balance the water and atmosphere forces?
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This note was uploaded on 03/14/2010 for the course CHE 110a taught by Professor Shell during the Winter '10 term at UCSB.

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hw2 - Department of Chemical Engineering University of...

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