electrodes fuel cell platinum increases rate oxygen reduction either water hydroxide hydrogen peroxide homogeneous catalysis homogeneous catalysts function phase reactants typically homogeneous catalysts dissolved solvent substrates one example homogeneous catalysis involves influence h esterification carboxylic acids formation methyl acetate acetic acid methanol high volume processes requiring homogeneous catalyst include hydroformylation hydrosilylation hydrocyanation inorganic chemists homogeneous catalysis often synonymous organometallic catalysts many homogeneous
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