The size of the ionic atmosphere, called the Debye radius, is 1/K, where k is given by e2NA 1/2 K = where e is the electronic charge, NA Avogadro's constant, ɛo the permittivity of vacuum (8.854x10-12 c2.N-1.m-2), e the dielectric constant of the solvent, kg the Boltzmann constant, T the absolute temperature, and I the ionic strength. Calculate the Debye radius in a 0.036 m aqueous Na2s203 solution at 25°C. (Assume the density of the solution at 25°C is 1.0029 g-cm-3.)

The size of the ionic atmosphere, called the Debye radius, is 1/K, where k is given by e2NA 1/2 K = where e is the electronic charge, NA Avogadro's constant, ɛo the permittivity of vacuum (8.854x10-12 c2.N-1.m-2), e the dielectric constant of the solvent, kg the Boltzmann constant, T the absolute temperature, and I the ionic strength. Calculate the Debye radius in a 0.036 m aqueous Na2s203 solution at 25°C. (Assume the density of the solution at 25°C is 1.0029 g-cm-3.)

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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Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.

Exergonic Reaction

The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.

Question

The size of the ionic atmosphere, called the Debye radius, is 1/K, where k is given by
e? NA"
1/2
Vi
K =
where e is the electronic charge, NA Avogadro's constant, ɛo the permittivity of vacuum (8.854×10-12 c2.N-1.m-2), ɛ the dielectric constant of the solvent, kg the Boltzmann
constant, T the absolute temperature, and I the ionic strength. Calculate the Debye radius in a 0.036 m aqueous Na2S203 solution at 25°C. (Assume the density of the solution at 25°C
is 1.0029 g•cm¬3.)
4.0
Å

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