Calculate the AH°, AS°, and AG at 298 K for the following reaction: (Use the values found in Thermodynamic Properties to calculate your answers for questions a and b.) Al2O3(s) + 3 C(graphite) + 3 Cl₂(g) → 2 AICI3(s) + 3 CO(g) a) AH° 4.0-64 ✓ kJ/mol b) AS c) AGO (d) Is the reaction extensive at standard conditions and 298 K? O Yes O NO 40 76.9 40 -89 (e) Write the expression for K. (Format example: Kp = pHC12 / pH₂. pCl₂ would be entered as K_{p} = pHCI^{2}/pH_{2}. pCl_{2}.) chemPad → Help X₁X⁰→=← (PCO)³ (pCl₂)³ J/K.mol kJ/mol (Determine from the temperature, AH and AS) Greek (PCO)^3/(PCI_2)^3 Your answer provides a different type of equation than was expected. (f) Calculate the value of K at 298 K 2.51e-16 X (Please answer to 3 significant figures.) (g) Estimate the value of K at 600 K. 1.79e-8 X (Please answer to 3 significant figures.)

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
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 5.46QE
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Calculate the AH°, AS°, and AG° at 298 K for the following reaction: (Use the values found in Thermodynamic Properties to calculate your answers for questions a and b.)
Al2O3(s) + 3 C(graphite) + 3 Cl₂(g) → 2 AICI 3(s) + 3 CO(g)
4.0 -64
a) ΔΗΟ
kJ/mol
b) AS°
✓ J/K.mol
kJ/mol (Determine from the temperature, AH and AS)
c) AGO
4.0 76.9
4.0 -89
(d) Is the reaction extensive at standard conditions and 298 K?
O Yes
O NO
(e) Write the expression for K.
(Format example: Kp = pHC12 / pH₂. pCl₂ would be entered as K_{p} = pHCI^{2}/pH_{2}. pCl_{2}.)
Help
chemPad
XX
(PCO)3
(pCl₂)³
←
Greek
(PCO)^3/(pCl_2)^3
Your answer provides a different type of equation than was expected.
(f) Calculate the value of K at 298 K
2.51e-16
X (Please answer to 3 significant figures.)
(g) Estimate the value of K at 600 K.
1.79e-8
X (Please answer to 3 significant figures.)
Transcribed Image Text:Calculate the AH°, AS°, and AG° at 298 K for the following reaction: (Use the values found in Thermodynamic Properties to calculate your answers for questions a and b.) Al2O3(s) + 3 C(graphite) + 3 Cl₂(g) → 2 AICI 3(s) + 3 CO(g) 4.0 -64 a) ΔΗΟ kJ/mol b) AS° ✓ J/K.mol kJ/mol (Determine from the temperature, AH and AS) c) AGO 4.0 76.9 4.0 -89 (d) Is the reaction extensive at standard conditions and 298 K? O Yes O NO (e) Write the expression for K. (Format example: Kp = pHC12 / pH₂. pCl₂ would be entered as K_{p} = pHCI^{2}/pH_{2}. pCl_{2}.) Help chemPad XX (PCO)3 (pCl₂)³ ← Greek (PCO)^3/(pCl_2)^3 Your answer provides a different type of equation than was expected. (f) Calculate the value of K at 298 K 2.51e-16 X (Please answer to 3 significant figures.) (g) Estimate the value of K at 600 K. 1.79e-8 X (Please answer to 3 significant figures.)
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