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Thermodynamics & Statistical Physics

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Thermodynamics & Statistical Physics

Second Law of Thermodynamics

The law asserting that spontaneous physical processes increase total entropy in isolated systems, placing fundamental limits on heat engine…

ΔS_total ≥ 0 J/K
Thermodynamics & Statistical Physics

Stefan-Boltzmann Law

The physical law asserting that total radiant power emitted per unit surface area of a blackbody is proportional to the fourth power of its…

E = σ T⁴, σ = 5.670374 × 10⁻⁸ W/(m²·K⁴) W/m²
Thermodynamics & Statistical Physics

Sublimation

The direct phase transition of a substance from solid to gas state without passing through an intermediate liquid phase.

ΔH_sub = ΔH_fus + ΔH_vap J/kg or J/mol