4. Multiple Choice 1. In order to calculate the force between two charges using

Question

4. Multiple Choice 1. In order to calculate the force between two charges using Coulomb's Law, f the measurement is not being done in a vacuum, one must add: a) the Faraday constant b) the electrode potential of the medium c) the dielectric constant of the medium d) the Debye Huckel A constant 2. In the table of standard electrode potentials, the element which is assigned an oxidation potential of zero is: a) oxygen b) hydrogen c) sodium d) fluorine A) 3. The Nernst Equation is used to calculate electrode potentials at nonstandard temperatures b) pressures c) concentrations d) all of these 4. Which solution would behave the most ideally? A)0.01M Naa b) 0.01M CaCl2 c)0.01M AlCla d)0.01M Al2(S0sl 5. Calculated values of mean ionic molality using the Debye-Huckel limiting law are only accurate for: a) dilute solutions b) those having low charge c) those having high charge d) those made in nonaqueous solvents

Explanation / Answer

1. The answer is the dielectric constant.

The answer from coulombs law be divided by di electric constant.

2. Hydrogen being considered as standard its oxidation and reduction potential is zero.

3. All of these. The nernst equation is general. It has concentration temperature as a variable in it.

5. Debye huckle rule is for dilute solutions only.

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