D)2.1 Work, heat, and energy Exothermic process: one that releases energy as heat. Endothermic process: one that absorbs energy as heat (a)When an endothermic process occurs in an adiabatic system, the temperature falls; (b)if the process is exothermic, then the temperature rises.(c) when an endo- (a) thermic process occurs in a diathermic container, energy enters as heat from the Isothermal surroundings, and the system remains at the same temperature; (d) if the process is Heat Heat exothermic, then energy leaves as heat, and the process is isothermal 版权所有:华东理工大学物理化学教研室版权所有：华东理工大学物理化学教研室 6 Exothermic process: one that releases energy as heat. Endothermic process: one that absorbs energy as heat. (a) When an endothermic process occurs in an adiabatic system, the temperature falls;(b) if the process is exothermic, then the temperature rises. (c) When an endo￾thermic process occurs in a diathermic container, energy enters as heat from the surroundings, and the system remains at the same temperature;(d) if the process is exothermic, then energy leaves as heat, and the process is isothermal. 2.1 Work, heat, and energy