Question 20 In a constant-pressure calorimetry experiment, Hayoung mixed 100.0 mL of 1.00 M H2C204 solution and 100.0 mL of 1.00 M KOH solution. The initial temperature of both solutions is 20.00°C. After a while, she observed that the temperature of the calorimeter had reached a constant value at 26.61°C. Calculate the enthalpy of neutralization for the following reaction: H2C204(aq) + 2KOH(aq) K2C204(aq) + 2H20 Assume that solution has the same specific heat capacity and density as water, and the calorimeter absorbed a negligible amount of heat.
Question 20 In a constant-pressure calorimetry experiment, Hayoung mixed 100.0 mL of 1.00 M H2C204 solution and 100.0 mL of 1.00 M KOH solution. The initial temperature of both solutions is 20.00°C. After a while, she observed that the temperature of the calorimeter had reached a constant value at 26.61°C. Calculate the enthalpy of neutralization for the following reaction: H2C204(aq) + 2KOH(aq) K2C204(aq) + 2H20 Assume that solution has the same specific heat capacity and density as water, and the calorimeter absorbed a negligible amount of heat.
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 20: what is the correct answer for this?
Transcribed Image Text:70.1 KJ MUT
(D) +0.13 kJ mol-1
Question 20
In a constant-pressure calorimetry experiment, Hayoung mixed 100.0 mL of 1.00 M H2C204 solution and 100.0 mL of 1.00 M
KOH solution. The initial temperature of both solutions is 20.00°C. After a while, she observed that the temperature of the
calorimeter had reached a constant value at 26.61°C. Calculate the enthalpy of neutralization for the following reaction:
H2C204(aq) + 2KOH(aq) – K2C204(aq) + 2H20
Assume that solution has the same specific heat capacity and density as water, and the calorimeter absorbed a negligible
amount of heat.
-55.3 kJ mol-1
B.
-111 kJ mot-1
-222 kJ mol-1
D
-27.7 kJ mol-1
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