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Standard metric units are Joules/kilogram/Kelvin (J/kg/K).
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Specific heat capacities of various materials are often listed in textbooks. The specific heat capacity refers to the amount of heat required to cause a unit of mass (say a gram or a kilogram) to change its temperature by 1☌. Different materials would warm up at different rates because each material has its own specific heat capacity. Will the objects warm up at equal rates? The answer: most likely not. Suppose that several objects composed of different materials are heated in the same manner. In this part of Lesson 2, we will investigate the question How does one measure the quantity of heat gained or released by an object? And when work is done, there is an overall transfer of energy to the object upon which the work is done. A change in state is associated with changes in the internal potential energy possessed by the object. A change in temperature is associated with changes in the average kinetic energy of the particles within the object. When gained or lost by an object, there will be corresponding energy changes within that object. Heat gains or losses result in changes in temperature, changes in state or the performance of work. On the previous page, we learned what heat does to an object when it is gained or released.