Homework Help: chem

Posted by janet on Wednesday, March 23, 2011 at 4:42pm.

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 ?

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