Gibbs free energy (G) is a measure of thespontaneity of a chemical reaction. It is thechemical potential for a reaction, and is minimizedat equilibrium. It is defined asG=H-TSwhere H is enthalpy, T is temperature, and S isentropy.The chemical reaction that causes magnesium tocorrode in air is given by2Mg + O2-2MgOin which at 298 K, AH = 1204 kJ andAS = -217.1 J/K.-Part BWhat is the Gibbs free energy for this reaction at 5958 K? Assume that AH and AS do not change with temperature.Express your answer to two decimal places and include the appropriate units.► View Available Hint(s)AGrxn=OμÅValueUnits? G=H-TSis enthalpy, T is temperature, and Sisical reaction that causes magnesium toair is given by2Mg + O₂-2MgOt 298 K, AH= - 217.1 J/K.= - 1204 kJ and▼Part CAt what temperature Teq do the forward and reverse corrosion reactions occur in equilibrium?Express your answer as an integer and include the appropriate units.► View Available Hint(s)Teq =HÅValueĆUnits?

Answered: Image /qna-images/answer/173aadbc-3df1-48bf-9181-e983d63563b3.jpg

G=H-TS is enthalpy, T is temperature, and S is ical reaction that causes magnesium to air is given by 2Mg + O₂-2MgO t 298 K, AH = - 1204 kJ and = -217.1 J/K. Part C At what temperature Teq do the forward and reverse corrosion reactions occur in equilibrium? Express your answer as an integer and include the appropriate units. View Available Hint(s) Teq = .0 μÁ Value 4 Units ?

G=H-TS is enthalpy, T is temperature, and S is ical reaction that causes magnesium to air is given by 2Mg + O₂-2MgO t 298 K, AH = - 1204 kJ and = -217.1 J/K. Part C At what temperature Teq do the forward and reverse corrosion reactions occur in equilibrium? Express your answer as an integer and include the appropriate units. View Available Hint(s) Teq = .0 μÁ Value 4 Units ?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Gibbs free energy (G) is a measure of the
spontaneity of a chemical reaction. It is the
chemical potential for a reaction, and is minimized
at equilibrium. It is defined as
G=H-TS
where H is enthalpy, T is temperature, and S is
entropy.
The chemical reaction that causes magnesium to
corrode in air is given by
2Mg + O2-2MgO
in which at 298 K, AH = 1204 kJ and
AS = -217.1 J/K.
-
Part B
What is the Gibbs free energy for this reaction at 5958 K? Assume that AH and AS do not change with temperature.
Express your answer to two decimal places and include the appropriate units.
► View Available Hint(s)
AGrxn=
O
μÅ
Value
Units
?

G=H-TS
is enthalpy, T is temperature, and Sis
ical reaction that causes magnesium to
air is given by
2Mg + O₂-2MgO
t 298 K, AH
= - 217.1 J/K.
= - 1204 kJ and
▼
Part C
At what temperature Teq do the forward and reverse corrosion reactions occur in equilibrium?
Express your answer as an integer and include the appropriate units.
► View Available Hint(s)
Teq =
HÅ
Value
Ć
Units
?

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