Answered: . Is the Boudouard Reaction exothermic…

. Is the Boudouard Reaction exothermic or endothermic? 2. Is the reaction spontaneous at low temperatures? 3. Is the reaction spontaneous at high temperatures?

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter5: Errors In Chemical Analyses

Section: Chapter Questions

Problem 5.9QAP

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Question

1. Is the Boudouard Reaction exothermic or endothermic?

2. Is the reaction spontaneous at low temperatures?

3. Is the reaction spontaneous at high temperatures?

4. At what temperature the reaction becomes spontaneous?

5. The vant Hoff's equation works if there is no (or very weak) temperature dependence of change of standard enthalpy and standard entropy on temperature. Does your vant Hoff's graph support this assumption?

InK vs 1/T
1.000E+01
5.000E+00
0.000E+00
5.000E-047.000E-04.000E-04.100E-03.300E-03.500E-01.700E-03.900E-03
-5.000E+00
-1.000E+01
y =-20627x + 21.11
R2 = 0.9999
-1.500E+01
-2.000E+01
-2.500E+01
1/T, K
Graph 8. InK vs 1/T (Vant Hoff's equation)
InK

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