Specific Heat
1.
Specific
Heat Capacity [c](or Specific
Thermal Capacity)
§
The energy involved in changing the temperature
of a kilogram of substance by 1°C
§
The unit is joule per kilogram per degree
[J/kg°C]
|
Water |
4.2kJ/kg°C |
|
Blood |
3.78 kJ/kg°C ? |
2.
Specific
Latent Heat
§
energy involved in the state change of a
kilogram of substance
§
Unit J/kg
§
ice/water: 336kJ/kg; water/steam: 2270kJ/kg
3.
Thermal
Capacity [C]
§
Energy involved in changing an object’s
temperature by one degree
§
J/°C
§
If object has mass m, and is made of a substance of specific heat capacity, c,
then C = mc