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a. Figure 1. The mixing of two gases can be seen as two expansions. a ) Expansion of gas 1 alone when the barrier is removed. The molecules have twice as many microstates in the open box. b) Expansion of gas 2 alone.
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a Figure 1. The mixing of two gases can be seen as two expansions. a) Expansion of gas 1 alone when the barrier is removed. The molecules have twice as many microstates in the open box. b) Expansion of gas 2 alone. c) The simultaneous expansion of gases 1 and 2 is equivalent to mixing. b c
TΔmixS ΔmixH 0 Joules ΔmixG 0.0 0.2 0.4 0.6 0.8 1.0 x1 Figure 2. A graph of TΔmixS, ΔmixH, and ΔmixG as functions of x1 for the mixing of two ideal gases.
