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Difference between Internal Energy and Enthalpy

How can the a...

Question

How can the absolute value of internal energy of a system cannot be determined??

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Solution

It can be determined in terms of Work and heat only according to first law or else there is no accuracy

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Absolute value of internal energy can be easily measured.

Q. The absolute value of internal energy of a substance can be determined.If true enter 1 else 0.

Q. Total internal energy of a system can never be evaluated but the change in internal energy can be determined by 1st law of thermodynamics.
If true enter 1, else enter 0.

Assertion: Absolute values of internal energy of substances cannot be determined

Reason: It is impossible to determine exact values of constituent energies of the substances.

State True or False.

The absolute value of standard single electrode potential can be determined experimentally.

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Difference between Internal Energy and Enthalpy

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