Chemistry is traditionally divided into organic and inorganic chemistry. category: catalyst-ligand. The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 2082-84-0
The adiabatic compressibility of aqueous solutions of octyl-, decyl-, dodecyl- and tetradecyl-trimethylammonium bromides has been determined from measurements of density and ultrasound velocity at different temperatures ranging from 20 to 45 deg C at 5 deg C intervals.Based on the theoretical treatment in which the adiabatic compressibility is given as a function of concentration, the apparent adiabatic compressibilities of the surfactant in the monomeric (beta1) and micellar (betam) forms are obtained from the experimental results at each temperature.The values for beta1 increase with increased temperature, and its temperature coefficient is constant for methyl, octyl and decyl derivatives, but changes sharply between 30 and 40 deg C for the dodecyl and tetradecyl derivatives.The value of betam increases linearly with increased temperature, and its temperature coefficient increases with increasing alkyl chain length.The linear changes of beta1 and betam with temperature are related to the change of hydrophilic hydration, while the sharpe change of beta1 for dodecyl and tetradecyl derivatives is attributed to the change of hydrophobic hydration.
Note that a catalyst decreases the activation energy for both the forward and the reverse reactions and hence accelerates both the forward and the reverse reactions.category: catalyst-ligand, you can also check out more blogs about2082-84-0
Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI