At 50°C the Value of K_w Is 5

question 177

Multiple Choice

At 50°C the value of K_w is 5.5 × 10^-14.A basic solution at 50°C has

• A)[H₃O⁺] < [OH^-] < 2 × 10^-7 M.
• B)[H₃O⁺] < 2 × 10^-7 M < [OH^-].
• C)[H₃O⁺] = [OH^-] < 2 × 10^-7 M.
• D)[H₃O⁺] > 2 × 10^-7 M < [OH^-].

---

Definitions:

Observations

Observations are individual instances or data points collected through experiments, surveys, or other data collection methods, used to analyze trends, patterns, or behaviors in research.

Performance Rating

An evaluation of an employee's work performance, often used to guide decisions on promotions, raises, and development.

Standard Time

The established amount of time required to perform a specific task or operation under normal working conditions, often used in industrial settings for performance benchmarking.

Constant Allowances

Fixed time increments added to the standard time to account for delays or non-productive aspects of a job, ensuring more accurate time estimates.