At constant pressure and volume heat is a state function why
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The heat given off or absorbed when a reaction is run at constant volume is equal to the change in the internal energy of the system. ... The heat given off or absorbed when a reaction is run at constant pressureis equal to the change in the enthalpy of the system.
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Explanation:
Video Explanation. Work done in adiabatic process = negative of change in internal energy (from first law of thermodynamics). ... Heat at constant volume is equal to change in internal energy (from first law of thermodynamics). So it is also a state function.
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