If You Know K_b for Ammonia,NH₃,you Can Calculate the Equilibrium $\times$

question 144

Multiple Choice

If you know K_b for ammonia,NH₃,you can calculate the equilibrium constant,K_a,for the following reaction: NH₄⁺ NH₃ + H⁺ by the equation:

• A)K_a = K_w \(\times\) K_b
• B)K_a = K_w / K_b
• C)K_a = 1 / K_b
• D)K_a = K_b / K_w
• E)none of these

---

Definitions:

Overhead Cost

Fixed and variable expenses associated with operating a business that are not directly linked to creating a product or service, such as administrative expenses and maintenance costs.

Activity-Based Costing

A cost accounting approach that assigns costs to products or services based on the activities involved in their production.

Processing Costs

Expenses incurred in the process of turning raw materials into finished products, including labor and overhead.

Equipment Depreciation

The allocation of the cost of tangible assets over its useful life, reflecting wear and tear, obsolescence, or permanent decline in value.