2001 Fiscal Year Final Research Report Summary
Rate of Free-Energy Dissipations during a Heterogeneous Catalyzed Reaction by Frequency Response Method
| Project/Area Number |
11640500
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Physical chemistry
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| Research Institution | Toyama University |
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Principal Investigator |
YASUDA Yusuke Toyama Univ., Faculty of Science, Professor, 理学部, 教授 (60018992)
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| Project Period (FY) |
1999 – 2001
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| Keywords | Frequency Response Method / Free Energy Dissipation / Heterogenerus Catalyzed Reaction |
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| Research Abstract |
Complex rate coefficient, k+iωl, is obtained by the frequency response (FR) method. It is found that the novel rate coefficient l of the imaginary part can be correlated with free energy dissipations during a heterogeneous catalyzed reaction. The results were published in J. Phys. Chem., 1999.
Rate equations are usually derived on the basis of material balances of each component. However, free-energy dissipations during a chemical reaction are more fundamental; the l can be derived from the rate of the dissipation. It was reported in International Symposium [Varna, Bulgaria, 2000].
CO oxidation reaction over platinum metals was found to be more suitable to confirm the results mentioned above.
The reaction over Ru was investigated: (1) FR data Were observed under the experimental conditions at ca. 100 Pa and 250-350℃, (2) numerical simulation for the data was carried out, (3) as many as 13 rate coefficients at 5 elementary steps were determined, (4) rate of free-energy dissipations were able to be evaluated.
On the basis of these results it is proposed that the FR method may be named "reaction-rate spectroscopy".
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