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April 1, 2015

Homework Help: CHEMISTRY

Posted by Sarah on Monday, April 30, 2012 at 11:21pm.

In a coffee cup calorimeter 70.0 mL of 0.100 M AgNO3 and 70.0 mL of 0.100 M HCl are mixed to yield the following reaction.
Ag+(aq) + Cl ‾(aq) → AgCl(s)
If the two solutions are initially at 22.60C, and if the final temperature is 23.39C, calculate ΔH for the reaction in kJ/mol of AgCl formed. Assume a mass of 140.0 g for the combined solution and a specific heat capacity of 4.18 J C-1 g-1.

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