A solid 30.2 cm^3 block of KClO3 is heated in the laboratory and decomposes according to the following reaction. What is the change in enthalpy in kj when all the solid KClO3 decomposes? The density of KClO3 is 2.34 g/cm^3. 2KClO3(s)-> 2KCl(a)+3O2(g)=-89.4kj

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