In a Solution,when the Concentrations of a Weak Acid and Its

question 26

Multiple Choice

In a solution,when the concentrations of a weak acid and its conjugate base are equal,________.

• A)the system is not at equilibrium
• B)the buffering capacity is significantly decreased
• C)the -log of the [H⁺] and the -log of the K_a are equal
• D)All of the above are true.

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Definitions:

Positive Reinforcement

A process in behavioral psychology where a desirable stimulus is presented after a behavior, increasing the likelihood of that behavior being repeated in the future.

Response Strengthened

This term describes the process by which a behavior becomes more likely to occur as a result of reinforcement.

Negative Reinforcement

A behavioral principle where the removal of an unpleasant stimulus following a desired behavior increases the likelihood of the behavior occurring again.

Positive Reinforcement

A method of strengthening desired behaviors by presenting a desirable stimulus after the behavior occurs.