Chemistry problem... some help needed please? - Freemason Hirams Travels Masonic Forums

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03-23-2008, 08:03 AM

eclipsegt_01_03

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Chemistry problem... some help needed please?

A quantity of 2.00*10^2 mL of 0.862 M HCl is mixed with 2.00*10^2 mL of 0.431 M Ba(OH)2 in a constant-pressure calorimeter of negligible heat capacity. The initial temperature of the HCl and Ba(OH)2 solutions is the same at 20.48°C. For the process...

H+(aq) + OH-(aq) -----> H2O(l)

...the heat neutralization is -56.2 kJ/mol. What is the final temperature of the mixed solution?

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