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July 24, 2014

Homework Help: chemistry(check my explanation)

Posted by eng on Monday, April 5, 2010 at 9:48pm.

sorry to repost this question but i'm confused on this part
The solubility of borax is directly proportional to temperature. Therefore, the sign of H is
A. negative
B. positive
C. unknown with the given information
like you said earlier, borax dissolves when heat is added, which is endothermic. But in this question, it doesnt tell you whether temperature is increasing or decreasing, so is the answer is C since it is unknown

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