14. (a) It is possible to motivate, starting from Eq. 203, the notion that heat may be
found from the integral (or “area under the curve”) of a curve in a
TS
diagram, such as
this one. Either from calculus, or from geometry (area of a trapezoid), it is
straightforward to find the result for a “straightline” path in the
TS
diagram:
straight
+
=
2
§·
Δ
¨¸
©¹
if
TT
QS
which could, in fact, be
directly
motivated from Eq. 203 (but it is important to bear in
mind that this is rigorously true only for a process which forms a straight line in a graph
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics, Heat

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