§3-2(比)热容 Specific Heats 计算内能,焓,热量都要用到热容 定义:比热容|c=y 单位物量的物质升高IK或1C所需的热量 The energy required to raise the temperature of a unit mass of a substance by one degree§3-2 (比)热容Specific Heats 计算内能, 焓, 热量都要用到热容 定义: 比热容 单位物量的物质升高1K或1 oC所需的热量 q C dt  = The energy required to raise the temperature of a unit mass of a substance by one degree