Answered: Potassium hydroxide (KOH) has a lattice…

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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Potassium hydroxide (KOH) has a lattice energy of −789.0 kJ/mol−789.0 kJ/mol and a heat of hydration of −846.6 kJ/mol.−846.6 kJ/mol. What volume of solution could be heated from 25.0 °C25.0 °C to 100.0 °C100.0 °C by the heat evolved from the dissolution of 40.3 g40.3 g of KOH?KOH? Assume the solution has a specific heat capacity of 4.00 Jg·°C4.00 Jg·°C and a density of 1.05 g/mL1.05 g/mL.

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Volume of solution could be heated can be calculated from the energy required for heating and the energy released by dissolving KOH.

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