What Is the Approximate Value of the Equilibrium Constant,K_n,for the Neutralization

question 142

Multiple Choice

What is the approximate value of the equilibrium constant,K_n,for the neutralization of acetic acid with potassium hydroxide,shown in the equation below? The K_a for acetic acid is 1.8 × 10^-5. CH₃CO₂H(aq) + KOH(aq) ⇌ H₂O(l) + NaCH₃CO₂(aq)

• A)1.8 × 10^-19
• B)5.6 × 10^-10
• C)1.8 × 10^-8
• D)1.8 × 10⁹

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Definitions:

Expectancy

The belief or anticipation that something will happen in the future, often influencing behavior towards achieving it.

Instrumentality

In motivation theory, the perceived relationship between performance and the attainment of certain outcomes, meaning one's belief that performing at a certain level will lead to desired rewards.

Valence

The intrinsic attractiveness or aversiveness of an event, object, or situation.

Alderfer's ERG Theory

A motivational theory proposed by Clayton Alderfer that categorizes human needs into three groups: Existence, Relatedness, and Growth, suggesting that more than one need may motivate at the same time.