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75.0 mL. of 2.00 MHCl(aq) at 22.0 oC is added to 150.0 mL. of 0.300 M NaOH(aq) at 22.000 oC.   Then the reaction is proceeded and the final temperature is reached to 28.000 oC.  Calculate the heat of reaction in kJ / mole. Hint: Treat this mixture as a diluted solution. CP of H2O(l) = 4.184 J / g oC D of H2O = 0.988 g/ mL.

75.0 mL. of 2.00 MHCl(aq) at 22.0 oC is added to 150.0 mL. of 0.300 M NaOH(aq) at 22.000 oC.   Then the reaction is proceeded and the final temperature is reached to 28.000 oC.  Calculate the heat of reaction in kJ / mole. Hint: Treat this mixture as a diluted solution. CP of H2O(l) = 4.184 J / g oC D of H2O = 0.988 g/ mL.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
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A 75.0 mL. of 2.00 MHCl(aq) at 22.0 oC is added to 150.0 mL. of 0.300 M NaOH(aq) at 22.000 oC.   Then the reaction is proceeded and the final temperature is reached to 28.000 oC.  Calculate the heat of reaction in kJ / mole.

Hint: Treat this mixture as a diluted solution.

CP of H2O(l) = 4.184 J / g oC

D of H2O = 0.988 g/ mL. 

a. -37.3 kJ / mole
b. -55.9 kJ/ mole
c. 124 kJ / mole
d. -124 kJ / mole

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