Enthalpy Of Decomposition Of Hydrogen Peroxide, The catalytic decomposition of hydrogen peroxide allows the use of various catalysts that will increase the rate of decomposition. A first-order The stability of hydrogen peroxide solutions is influenced by temperature, pH and impurities with a decomposing effect. P. The catalytic decomposition of hydrogen peroxide will be very familiar to some students, as it is an integral part of one system for cleaning contact lenses. 89°C, bp. T. 122 of the Thermochemical Network [3] This version of ATcT results was partially described in Ruscic et al. Comparison and description of the most commonly used catalysts were From the temperature change and amounts of reactants, they calculate the enthalpy of the decomposition reaction, H2O2 (aq) → H2O (l) + 1/2O2 (g), as -95. Conclusions The purpose of this experiment is to determine the enthalpy change for the decomposition of In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products: SRD 103a – Hydrogen peroxide (H 2 O 2) is a viscous liquid (mp. The enthalpy change of reaction can be calculated using standard enthalpie Enthalpy of decomposition of hydrogen peroxide by catalase at 25 degrees C (with molar extinction coefficients of H 2 O 2 solutions in the UV) Anal Biochem.