3. When 21.45 g of potassium nitrate was dissolved in water in a calorimeter, the temperature fell from 25.00°C to 14.14°C. If the heat capacity of the calorimeter and its contents is 682 J/°C, what is AH for the dissolution of potassium nitrate, in kJ/mol? rxn Write the equation for this reaction: Is it exothermic or endothermic? Draw the enthalpy diagram for the dissolution of KNO3

3. When 21.45 g of potassium nitrate was dissolved in water in a calorimeter, the temperature fell from 25.00°C to 14.14°C. If the heat capacity of the calorimeter and its contents is 682 J/°C, what is AH for the dissolution of potassium nitrate, in kJ/mol? rxn Write the equation for this reaction: Is it exothermic or endothermic? Draw the enthalpy diagram for the dissolution of KNO3

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

3. When 21.45 g of potassium nitrate was dissolved in water in
a calorimeter, the temperature fell from 25.00°C to 14.14°C.
If the heat capacity of the calorimeter and its contents is
682 J/°C, what is AH for the dissolution of potassium
nitrate, in kJ/mol?
rxn
Write the equation for this reaction:
Is it exothermic or endothermic?
Draw the enthalpy diagram for the dissolution of KNO3

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