NB Assume the densities of all solutions are 1.0 g/mL and their specific heat capacities 4.184 J/g .K Molar Mass of KCl: 74.55 g/mol Help from calculating qr to average ethalpy.
NB Assume the densities of all solutions are 1.0 g/mL and their specific heat capacities 4.184 J/g .K Molar Mass of KCl: 74.55 g/mol Help from calculating qr to average ethalpy.
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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NB Assume the densities of all solutions are 1.0 g/mL and their specific heat capacities 4.184 J/g .K Molar Mass of KCl: 74.55 g/mol
Help from calculating qr to average ethalpy.
Transcribed Image Text:TRIAL 1
50.0 ml
Volume of tap water
5.00 g
Mass of KCI
Initial Temperature of
12.0 °C
water, Ti
Final temperature of
7.5 °C
water, Tf
Change in temperature,
ΔΤ
Calculation of q, in J (q,
= -qsol)
%3D
Calculation of Enthalpy
Change, AH in kJ.mol1
Average AsoſH in kJ.mol-1
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