3:36 minutes
Problem 46a
Textbook Question

At one time, a common means of forming small quantities of oxygen gas in the laboratory was to heat KClO3: 2 KClO31s2¡2 KCl1s2 + 3 O21g2 H = -89.4 kJ For this reaction, calculate H for the formation of (b) 10.4 g of KCl.

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