Physics · Thermodynamics
Given an isolated thermodynamic system with a total energy E, total volume V, and total number of particles N, the condition for stable thermal equilibrium, in terms of its entropy S under small changes ΔE and ΔV, is given by:
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- 1S(E + ΔE, V + ΔV, N) + S(E - ΔE, V - ΔV, N) + 2S(E, V, N) < 0
- 2-S(E + ΔE, V + ΔV, N) + S(E - ΔE, V - ΔV, N) - 2S(E, V, N) < 0
- 3S(E + ΔE, V + ΔV, N) - S(E - ΔE, V - ΔV, N) - 2S(E, V, N) < 0
- 4S(E + ΔE, V + ΔV, N) + S(E - ΔE, V - ΔV, N) - 2S(E, V, N) < 0✓
Correct answer
S(E + ΔE, V + ΔV, N) + S(E - ΔE, V - ΔV, N) - 2S(E, V, N) < 0
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