Textbook ExpertVerified Tutor
23 Nov 2021
Given information
Substance is
The relation between , and
Where,
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is the standard energy change of formation.
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is the standard entropy change of formation.
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is the standard enthalpy change of formation.
Step-by-step explanation
Step 1.
The formula for the calculation of the enthalpy change ()
Where,
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is the specific heat at constant pressure.
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is a change in temperature.
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is a number of moles.
The enthalpy change changes only when there is a change in temperature. It does not depend on pressure. Therefore, it will remain the same even if the standard pressure state is redefined.
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