4.00 mL of 2.00 M aqueous NaOH is added to 100.0 mL of 0.200 M aqueous NaHSO4, all initially at 25.00 °C, in a well-insulated flask. Neglecting the effects of dilution, and assuming that volumes are additive and that all solutions have the same density and specific heat capacity as pure water, what is the final temperature of the mixture?

4.00 mL of 2.00 M aqueous NaOH is added to 100.0 mL of 0.200 M aqueous NaHSO4, all initially at 25.00 °C, in a well-insulated flask. Neglecting the effects of dilution, and assuming that volumes are additive and that all solutions have the same density and specific heat capacity as pure water, what is the final temperature of the mixture?

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

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

22. 4.00 mL of 2.00 M aqueous NaOH is added to 100.0 mL
of 0.200 M aqueous NaHSO4, all initially at 25.00 °C, in
a well-insulated flask. Neglecting the effects of dilution,
and assuming that volumes are additive and that all
solutions have the same density and specific heat
capacity as pure water, what is the final temperature of
the mixture?
Species
OH (aq)
HSO4 (aq)
SO4² (aq)
H₂O(l)
(A) 25.18 °C
(C) 26.45 °C
AH, KJ mol-¹
-230
-886
-909
-286
(B) 26.06 °C
(D) 28.63 °C

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