Compute how much heat is needed to yield

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When heated, potassium chlorate decomposes to yield oxygen and potassium chloride. Calculate how much heat is needed to yield 31.8 g oxygen by decomposition of the requisite amount of potassium chlorate.

2 KClO3(s) 2 KCl(s) + 3 O2(g) ?H° = -89.4 kJ

Reference no: EM13650323

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