What do you understand by the term internal energy and enthalpy?
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Enthalpy, the sum of the internal energy and the product of the pressure and volume of a thermodynamic system. ... According to the law of energy conservation, the change in internal energy is equal to the heat transferred to, less the work done by, the system
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Answer:
1 .The sum of all forms of energies stored within a substance is called its internal energy
2. The sum of internal energy and the product of its pressure and volume
Explanation:
Δu=u₁-u₂(internal energy change)
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