Si3N4 + 3 O2 → 3 SiO2 + 2 N2Calculate the value of AG for the reaction at 800 K?AH298 (J/mole)S298 (J/mole.K)Cp (J/mole.K)wwwSi3N4-744800311370.54 + 98.74*10 3*TO2205.129.96 + 4.18*10 3*TSiO2-91090041.543.89 + 1.0*10-3*TN2191.527.87 + 4.27*10 3*T

Si3N4 + 3 02 > 3 SiO2 + 2 N2 Calculate the value of AG for the reaction at 800 K? AH298 (J/mole) S298 (J/mole.K) Cp (J/mole.K) Si3N4 -7448003 113 70.54 + 98.74*10-3*T O2 205.1 29.96 + 4.18*103*T SiO2 -910900 41.5 43.89 + 1.0*10-3*T N2 191.5 27.87 + 4.27*10*3*T

Si3N4 + 3 02 > 3 SiO2 + 2 N2 Calculate the value of AG for the reaction at 800 K? AH298 (J/mole) S298 (J/mole.K) Cp (J/mole.K) Si3N4 -7448003 113 70.54 + 98.7410-3T O2 205.1 29.96 + 4.18103T SiO2 -910900 41.5 43.89 + 1.010-3T N2 191.5 27.87 + 4.27103*T

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

Chapter17: Spontaneity, Entropy, And Free Energy

Section: Chapter Questions

Problem 10ALQ

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Question

Si3N4 + 3 O2 → 3 SiO2 + 2 N2
Calculate the value of AG for the reaction at 800 K?
AH298 (J/mole)
S298 (J/mole.K)
Cp (J/mole.K)
www
Si3N4
-7448003
113
70.54 + 98.74*10 3*T
O2
205.1
29.96 + 4.18*10 3*T
SiO2
-910900
41.5
43.89 + 1.0*10-3*T
N2
191.5
27.87 + 4.27*10 3*T

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