Which One of the Following Is the Weakest Acid

question 73

Multiple Choice

Which one of the following is the weakest acid?

• A)HF (K_a = 6.8 × 10^-4)
• B)HClO (K_a = 3.0 × 10^-8)
• C)HNO₂ (K_a = 4.5 × 10^-4)
• D)HCN (K_a = 4.9 × 10^-10)
• E)Acetic acid (K_a = 1.8 × 10^-5)

Recognize how stress and relaxation techniques influence performance according to the Yerkes-Dodson Law.

Identify different types of motives and their impact on behavior.

Describe the role of Industrial/Organizational psychologists in improving job performance and productivity.

Examine the effects of task difficulty and individual differences on performance.

---

Definitions:

Materials Price Variance

The difference between the actual cost of materials used in production and the expected (or budgeted) cost.

Materials Quantity Variance

The difference between the actual quantity of materials used in production and the standard amount expected to be used, multiplied by the standard cost per unit.

Standard Cost Variances

The differences between the actual costs incurred and the standard costs set for producing a good or service.

Cost Of Goods Sold

The total cost directly associated with producing goods that have been sold, including materials, labor, and manufacturing overhead.