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  2. Hydrogen peroxide - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_peroxide

    Hydrogen peroxide disproportionates to form water and oxygen with a ΔH o of –2884.5 kJ/kg [38] and a ΔS of 70.5 J/(mol·K): 2 H 2 O 2 → 2 H 2 O + O 2. The rate of decomposition increases with rise in temperature, concentration, and pH. H 2 O 2 is unstable under alkaline conditions.

  3. Hydroxyl radical - Wikipedia

    en.wikipedia.org/wiki/Hydroxyl_radical

    Formation rates r ix can be obtained using the rate constants k(T) and the abundances of the reactants species C and D: r ix =k(T) ix [C][D] where [Y] represents the abundance of the specie Y. In this approach, abundances were taken from The UMIST database for astrochemistry 2006, and the values are relatives to the H 2 density.

  4. Self accelerating decomposition temperature - Wikipedia

    en.wikipedia.org/wiki/Self_Accelerating...

    A self-accelerating decomposition occurs when the rate of peroxide decomposition is sufficient to generate heat at a faster rate than it can be dissipated to the environment. Temperature is the main factor in determining the decomposition rate, although the size of the package is also important since its dimensions will determine the ability to ...

  5. Organic peroxides - Wikipedia

    en.wikipedia.org/wiki/Organic_peroxides

    The lowest temperature at which a packaged organic peroxide will undergo a self-accelerating decomposition within a week is defined as the self-accelerating decomposition temperature (SADT). A large fire at the Arkema Chemical Plant in Crosby, Texas (USA) in 2017 was caused by the decomposition of various organic peroxides following power ...

  6. Radical polymerization - Wikipedia

    en.wikipedia.org/wiki/Radical_polymerization

    Thermal decomposition ... Reduction of hydrogen peroxide or an alkyl hydrogen ... Where k tr is the rate constant for chain transfer and k p is the rate constant for ...

  7. Haber–Weiss reaction - Wikipedia

    en.wikipedia.org/wiki/Haber–Weiss_reaction

    The main finding of Haber and Weiss was that hydrogen peroxide (H 2 O 2) is decomposed by a chain reaction. [2] The Haber–Weiss reaction chain proceeds by successive steps: (i) initiation, (ii) propagation and (iii) termination. The chain is initiated by the Fenton reaction: Fe 2+ + H 2 O 2 → Fe 3+ + HO – + HO • (step 1: initiation)

  8. Chemical decomposition - Wikipedia

    en.wikipedia.org/wiki/Chemical_decomposition

    A concentrated hydrogen peroxide solution can be easily decomposed to water and oxygen. An example of a spontaneous (without addition of an external energy source) decomposition is that of hydrogen peroxide which slowly decomposes into water and oxygen (see video at right): 2 H 2 O 2 → 2 H 2 O + O 2

  9. Reaction rate constant - Wikipedia

    en.wikipedia.org/wiki/Reaction_rate_constant

    where A and B are reactants C is a product a, b, and c are stoichiometric coefficients,. the reaction rate is often found to have the form: = [] [] Here ⁠ ⁠ is the reaction rate constant that depends on temperature, and [A] and [B] are the molar concentrations of substances A and B in moles per unit volume of solution, assuming the reaction is taking place throughout the volume of the ...