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if neither the volume nor the pressure of the system changes during the process, how is the change in internal energy related to the change in enthalpy



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ANKITANAND

Change in enthalpy of the system is directly proportional to the change in internal energy.

What is enthalpy?

A thermodynamic system's enthalpy, which is one of its properties, is calculated by adding the system's internal energy to the product of its pressure and volume. It is a state function that is frequently used to monitor chemical, biological, and physical systems at a constant pressure that is conveniently given by the sizable surrounding environment. The energy necessary to determine the system's physical dimensions, or to make room for it by displacing its surrounds, is expressed by the pressure-volume phrase. Under typical conditions, the pressure-volume term is very small for solids and liquids and moderately small for gases.

  • The change in the enthalpy of the system during a chemical reaction is equal to the change in its internal energy plus the change in the product of the pressure times change in the volume of the system.
  • Here it is given that change in pressure as well as change in volume is zero.

Hence change in enthalpy of the system is directly proportional to the change in internal energy..

To know more about enthalpy change from the given link

https://brainly.com/question/14291557

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