Chapter 7 Flashcards

1
Q

activity

A

The value that replaces concentration in a thermodynamically correct equilibrium expression. [X]Activity coefficient

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2
Q

activity coefficient

A

The number by which the concentration must be multiplied to give activity.

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3
Q

charge balance

A

A statement that the sum of all positive charge in solution equals the magnitude of the sum of all negative charge in solution.

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4
Q

extended Debye-Huckel equation

A

Gives the activity coefficient as a function of ionic strength.

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5
Q

ionic atomsphere

A

The region of solution around an ion or a charged particle. It contains an excess of oppositely charged ions.

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6
Q

mass balance

A

A statement that the sum of the moles of any element in all of its forms in a solution must equal the moles of that element delivered to the solution.

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