2O3(s) + 3 C(graphite) + 3 Cl2(g) → 2 AlCl3(s) + 3 CO(g) ΔH°      ___ kJ/mol ΔS°      ___ J/K·mol ΔG°      ___ kJ/mol   (a) Is the reaction extensive at standard conditions and 298.15 K? Yes No     (b) Write the expression for K and calculate its value at 298.15 K. (Enter your answer using the format K = pHCl / pH2 . pCl2 to indicate partial pressures.)

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter17: Chemcial Thermodynamics
Section: Chapter Questions
Problem 17.65QE
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Calculate the ΔH°, ΔS°, and ΔG° at 298.15 K for the following reaction. (Use the values found in Thermodynamic Properties to calculate your answers.)

Al2O3(s) + 3 C(graphite) + 3 Cl2(g) → 2 AlCl3(s) + 3 CO(g)
ΔH°      ___ kJ/mol
ΔS°      ___ J/K·mol
ΔG°      ___ kJ/mol

 

(a) Is the reaction extensive at standard conditions and 298.15 K?
Yes
No    

(b) Write the expression for K and calculate its value at 298.15 K. (Enter your answer using the format K = pHCl / pH2 . pCl2 to indicate partial pressures.)

K = 

(c) Estimate the value of K at 600. K.
 
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