The K_a of Phenol Is 1

question 214

Multiple Choice

The K_a of phenol is 1.3 * 10^-10 .For a solution labeled "1.0 * 10^-3 M aqueous phenol,"

• A) [H₃O⁺] = [H₃O⁺]²/[phenol]_initial.
• B) [H₃O⁺] << [phenol]_initial.
• C) [H₃O⁺] > 10 ^-6.
• D) pH ~ 4.
• E) K_w/[H₃O⁺] >> [phenol]_initial.

Understand the principles and technologies behind email communication.

Recognize various top-level domain suffixes and their associated entities.

Grasp the concept and utility of cloud computing.

Understand the impact of social media in promoting social causes and activism.

---

Definitions:

Break-even Point

A situation where overall expenses and earnings balance out, leaving no profit or deficit.

Fixed Expenses

Recurring costs that do not fluctuate with changes in production level or sales volume, such as rent, salaries, and insurance.

Operating Leverage

A financial ratio that measures the degree to which a firm can increase operating income by increasing revenue, highlighting the impact of fixed versus variable costs.

Income Statement

A document detailing a firm's income, expenditures, and profit during a certain timeframe.