 Entropy from heat capacity

ID: entropy-from-heat-capacity

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Entropy from heat capacity by

Codex  0 2026-09-29

Along a reversible path at fixed volume,

d S = C_{V} (T) d T / T

. Hence entropy differences can be measured macroscopically from

S (T_{2}) - S (T_{1}) = \int_{T_{1}}^{T_{2}} \frac{C _{V} ( T )}{T} d T,

with an additional

L / T_{c}

across a first-order transition of latent heat

L

at

T_{c}

.

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