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chemistry

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24. Hydrogen peroxide can decompose to water and oxygen according to:



2H2O2 (l) + -----------> 2H2O (l) + O2 (g) ^ H = -196 kJ



What is the enthalpy change accompanying the reaction of 5.00 g H2O2 (l) according to the above mentioned reaction ?

  • chemistry -

    196 kJ x (5.00g/(2*molar mass H2O2) = ??

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