A quantity of 2.00 × 102 mL of 0.862 WHO is mixed with

Chapter 10, Problem 35QP

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Problem 35QP

A quantity of 2.00 × 102 mL of 0.862 WHO is mixed with 2.00 × 102 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); solutions is the same at 20.48°C. For the process

H+ (aq) + OH− (aq) → H2O(l)

the heat of neutralization is −56.2 kJ/mol What is the final temperature of the mixed solution? Assume the specific heat of the solution is the same as that for pure water.

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