Kinetics of Heterogeneous Chemical Reactions, II

Coherent chemical kinetics as quantum walks. II. Radical-pair reactions in Arabidopsis thaliana.

We apply the quantum-walk approach proposed in the preceding paper [A. Chia et al., preceding paper, Phys. Rev. E 93, 032407 (2016)] to a radical-pair reaction where realistic estimates for the intermediate transition rates are available. The well-known average hitting time from quantum walks can be adopted as a measure of how quickly the reaction occurs and we calculate this for varying degree...

Theory of the Kinetics of Chemical Potentials in Heterogeneous Catalysis

The Kinetics of Chemical Reactions: Single-molecule versus “bulk” View

Chemistry is a discipline that studies how molecules convert into one another. A chemical reaction can involve several different molecules. For example, a molecule of sodium chloride can fall apart (i.e., dissociate) into the sodium and chlorine atoms. The simplest possible chemical reaction involves conversion of some molecule A into a different form B. To describe this reaction, we write the ...

Role of heterogeneous reactions in generating chaos and noise in oscillatory chemical reactions

In view of the importance of noi se in physiology. information processing and fi nance, studi es on chaos and noi se have been undertaken. Detailed stud ies on the lal lowing osc illatory reactions have been undertaken: (i) thi ophenol + BrO,' + H2S0~, (ii ) fruClose + BrO,' + H2S04 + Ce 4 + , and (iii ) iodate + arsenitc, wh ich can serve as a model system for thi s purposc. Aperiodic oscil la...

Chemical reactions in protoplanetary accretion disks II. Carbon dust oxidation

This paper considers the gas phase chemistry in a protoplanetary accretion disk, especially the chemistry initiated in the gas phase by destruction of dust close to the central star. Slow radial particle transport moves gas and dust from the cold outer parts of a protoplanetary accretion disk into its warm central part where chemical reactions in the gas phase are activated. At the same time ga...