Home Wikituition Browse all terms Categories
Random term

Thermodynamics & Statistical Physics

4 terms


A–Z
All A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Filtering by: Thermodynamics & Statistical Physics Starts with E Clear all
Thermodynamics & Statistical Physics

Emissivity

The dimensionless ratio of thermal energy radiated by a surface to that radiated by an ideal blackbody at the exact same temperature.

ε = E_surface / E_blackbody (0 ≤ ε ≤ 1) Dimensionless
Thermodynamics & Statistical Physics

Enthalpy

A thermodynamic potential defined as internal energy plus the product of pressure and volume, representing total heat content under…

H = U + P V, ΔH = Q_p J
Thermodynamics & Statistical Physics

Entropy

A fundamental thermodynamic property measuring the degree of microscopic disorder, randomness, or thermal energy unavailable for mechanical…

dS = dQ_rev / T, S = kB ln Ω J/K
Thermodynamics & Statistical Physics

Equipartition Theorem

A classical statistical mechanics theorem stating that every independent quadratic degree of freedom contributes ½ kB T to a system's…

E_avg = (f / 2) kB T J