Thermodynamics & Statistical Physics
3 terms
Second Law of Thermodynamics
Thermodynamics & Statistical Physics
J/K
The law asserting that spontaneous physical processes increase total entropy in isolated systems, placing fundamental limits on heat engine efficiency.
ΔS_total ≥ 0
Stefan-Boltzmann Law
Thermodynamics & Statistical Physics
W/m²
The physical law asserting that total radiant power emitted per unit surface area of a blackbody is proportional to the fourth power of its absolute thermodynamic temperature.
E = σ T⁴, σ = 5.670374 × 10⁻⁸ W/(m²·K⁴)
Sublimation
Thermodynamics & Statistical Physics
J/kg or J/mol
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