Define isothermal and adiabatic systems.

1.	Define isothermal and adiabatic systems.
Answer» Isothermal and adiabatic systems:- A process is said to be isothermal if the temperature of the system remains fixed. The system is in thermal contact with the surroundings and heat energy can be exchanged between the two. It can flow from system to the surroundings in case of exothermic process and vice versa in case of endothermic process. For a isothermal process, dT = 0 where dT is the change in temperature. In an adiabatic process, no exchange of heat between the system and the surroundings is possible i.e., the system is completely isolated or insulated from the surroundings. In this case, the change carried in the system is exothermic, its temperature rises and if it is endothermic, there is a fall in temperature.

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Isothermal and adiabatic systems:- A process is said to be isothermal if the temperature of the system remains fixed. The system is in thermal contact with the surroundings and heat energy can be exchanged between the two. It can flow from system to the surroundings in case of exothermic process and vice versa in case of endothermic process. For a isothermal process, dT = 0 where dT is the change in temperature.

In an adiabatic process, no exchange of heat between the system and the surroundings is possible i.e., the system is completely isolated or insulated from the surroundings. In this case, the change carried in the system is exothermic, its temperature rises and if it is endothermic, there is a fall in temperature.

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