greyfly551Lv1
23 Nov 2021
Problem 65a
Page 731
Section: Challenge Problems
Chapter 17: Free Energy and Thermodynamics
Textbook ExpertVerified Tutor
23 Nov 2021
Given information
Substance
The relation between , and
Where,
-
is the standard energy change of formation.
-
is the standard entropy change of formation.
-
is the standard enthalpy change of formation.
Step-by-step explanation
Step 1.
The formula for the calculation of the enthalpy change ()
Where,
-
is the specific heat at constant pressure.
-
is a change in temperature.
-
is a number of moles.
The enthalpy changes only when the temperature changes. It does not depend on pressure. Therefore, it will remain the same even if the standard pressure state is redefine.
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