Which statement describes the energy changes that occur as bonds are brokes and a chemical reaction
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Answer:
Explanation:
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In this case, since the freezing point depression for a solution is computed via:
Whereas TW is the freezing temperature of water, TS that of the solution, i the van't Hoff's factor (3 for K2S as it ionizes properly), m the molality of the solution and Kf the freezing point constant of water. Thus, we plug in to obtain:
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