——
4200 J/kg.K
——
1006 J/kg.K
——
2040 J/kg.K
——
840 J/kg.K
——
1000 J/kg.K
——
720 J/kg.K
——
800 J/kg.K
——
1550 J/kg.K
——
1700 J /公斤。K
——
840 J/kg.K
——
800 J/kg.K
——
1050 J/kg.K
——
292 J/kg.K
——
509 J/kg.K
——
N/A
——
1250 J/kg.K
——
1200 J/kg.K
——
1040 J/kg.K
——
830 J/kg.K
——
840 J/kg.K
——
900 J/kg.K
——
900 J/kg.K
——
285 J/kg.K
——
500 J/kg.K
——
510 J/kg.K
——
460 J/kg.K
——
305 J/kg.K
——
460 J/kg.K
——
380 J/kg.K
——
400 J/kg.K
——
420 J/kg.K
——
750 J/kg.K
——
235 J/kg.K
——
1100 J/kg.K
——
880 J/kg.K
——
880 J/kg.K
——
1050 J/kg.K
——
790 J/kg.K
——
520 J/kg.K
——
896 J/kg.K
——
285 J/kg.K
——
460 J/kg.K
——
490 J/kg.K
——
540 J/kg.K
——
220 J/kg.K
——
420 J/kg.K
——
380 J/kg.K
——
380 J/kg.K
——
167 J/kg.K
——
880 J/kg.K
——
1420 J/kg.K
——
1500 J/kg.K
——
1300 J/kg.K
——
2200 J/kg.K
——
700 J/kg.K
——
741 J/kg.K
——
560 J/kg.K
——
1050 J/kg.K
——
477 J/kg.K
——
460 J/kg.K
——
465 J/kg.K
——
460 J/kg.K
——
140 J/kg.K
——
423 J/kg.K
——
435 J/kg.K
——
420 J/kg.K
——
210 J/kg.K
——
1244 J/kg.K
——
2200 J/kg.K
——
1380 J/kg.K
——
900 J/kg.K
——
1630 J/kg.K
——
840 J/kg.K
——
1900 J/kg.K
——
230 J/kg.K
——
200 J/kg.K
——
220 J/kg.K
——
460 J/kg.K
——
470 J/kg.K
——
465 J/kg.K
——
130 J/kg.K
——
505 J/kg.K
——
390 J/kg.K
——
377 J/kg.K
——
296 J/kg.K
——
2000 J/kg.K
——
2300 J/kg.K
——
2200 J/kg.K
——
2100 J/kg.K
——
1674 J/kg.K
Specific Heat Capacity of Materials
Specific heat, or specific heat capacity,is a property related tointernal energythat is very important in thermodynamics. Theintensive propertiescvandcpare defined for pure, simple compressible substances as partial derivatives of theinternal energyu(T, v)andenthalpyh(T, p), respectively:
where the subscriptsvandpdenote the variables held fixed during differentiation. The propertiescvandcpare referred to asspecific heats(orheat capacities) because under certain special conditions they relate the temperature change of a system to the amount of energy added by heat transfer. Their SI units areJ/kg K或J/mol K.
Different substancesare affected todifferent magnitudesby theaddition of heat. When a given amount of heat is added to different substances, their temperatures increase by different amounts.
Heat capacityis an extensive property of matter, meaning it is proportional to the size of the system.Heat capacity Chas the unit of energy per degree or energy per kelvin. When expressing the same phenomenon as an intensive property, theheat capacityis divided by the amount of substance, mass, or volume, thus the quantity is independent of the size or extent of the sample.