0.5g of Manganese (IV) oxide were added to 50 cm³ of 3.5M hydrogen peroxide. The temperature of the solution rose from 21^oC to 64^oC. The information...

0.5g of Manganese (IV) oxide were added to 50 cm³ of 3.5M hydrogen peroxide. The
temperature of the solution rose from 21^oC to 64^oC. The information was represented on an energy level diagram as shown.

(a) Determine the number of moles of hydrogen peroxide that decomposed.
(b) Calculate the molar enthalpy of decomposition of hydrogen peroxide.
(c) On the same set of axes above sketch the curve that would be obtained if manganese (IV)
oxide was not used and other conditions remained constant.

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sharon kalunda answered the question on May 17, 2019 at 11:53

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