Linked from
The 39 pages that link to Heat capacity, each with the reason it gives.
TemperatureCompared with: It is a response property, not the thermal-state quantity itself.
EntropyRelated: Heat capacity determines how entropy changes with temperature.
EctothermyRelated: It helps determine how quickly an ectotherm's body warms or cools.
CalorimetryRelated: Its value converts the calorimeter’s temperature change into heat.
Thermal energyRelated: It measures how strongly added energy changes a substance’s temperature.
Canonical ensembleRelated: Canonical energy fluctuations determine heat capacity at fixed volume.
SimmeringRelated: The liquid's heat capacity helps it buffer temperature changes during simmering.
Waste heat recoveryRelated: It helps estimate how much energy a hot stream can transfer as it cools.
Hess's lawRelated: Heat capacities help adjust Hess-law enthalpies between temperatures.