Unformatted text preview: a graph. E, e, V, T, P, m are properties and are represented by points on a graph. d. Work and heat are also known as path functions. ∫ dE = E − E = ∆E ∫ dE = 0 or ∫ dV = 0 ∫ δW = W
1 2 1 2 1 12 2 (any path between states 1, 2) (any cycle) (not ∆W) P 2 Shaded area = ∫ δW out = Wout ,net 1 V Lesson 4, Geof Silcox, Chemical Engineering, University of Utah II. Energy and the First Law of Thermodynamics
2. Expansion and compression work a. Transfer of energy to a system by boundary work requires that a force act on the boundary and...
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