At one time, a common means of forming small quantities of oxygen gas in the laboratory
Chapter 5, Problem 5.44(choose chapter or problem)
At one time, a common means of forming small quantities of oxygen gas in the laboratory was to heat KC103: 2 KCI03(s) -> 2 KCl(s) + 3 02{g) t.H = -89.4 kJ For this reaction, calculate t.H for the formation of (a) 0.632 mol of 02 and (b) 8.57 g of KCI. (c) The decomposition of KC103 proceeds spontaneously when it is heated. Do you think that the reverse reaction, the formation of KC103 from KCl and 02, is likely to be feasible under ordinary conditions? Explain your answer.
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