Explore BrainMass
Share

Explore BrainMass

    Calculating enthalpy change

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    The bombardier beetle uses an explosive discharge as a defensive measure. The chemical reaction involved is the oxidation of hydroquinone by hydrogen peroxide to produce quinone and water.

    Please see the attached file for full problem description.

    © BrainMass Inc. brainmass.com October 9, 2019, 3:53 pm ad1c9bdddf
    https://brainmass.com/chemistry/energetics-and-thermodynamics/calculating-enthalpy-change-16309

    Attachments

    Solution Preview

    Please see the attached file.

    The bombardier beetle uses an explosive discharge as a defensive measure. The chemical reaction involved is the oxidation of hydroquinone by hydrogen peroxide to produce quinone and water.
    C6H4(OH)2(aq) + H2O2(aq) C6H4O2(aq) + 2 H2O(l)
    Calculate H for the above reaction from the following data.
    C6H4(OH)2(aq) ...

    Solution Summary

    This solution is provided in 158 words in an attached .doc file. It uses Hess' law to find change in enthalpy using step-by-step equations.

    $2.19