The association of energy with random molecules who move in disordered motion is known as internal energy.
Every matter has a certain temperature that is related to that mass. The amount of heat that is required to increase the temperature of a mass by one degree Celsius is known as specific heat. The heat amount is calculated on the basis of per unit mass.
A system’s total heat content (equivalent) thermodynamic quantity = enthalpy
As per this, it is the result of the sum of volume and pressure,and a system’s internal energy.
Its equation is depicted as,
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