A 500-ML Sample of a 0

question 26

Multiple Choice

A 50.0-mL sample of a 0.100 M solution of a weak acid HA has an equilibrium pH of 4.00. After 1.0 × 10^-3mol of a substance X is added to the solution, it is observed that the pH of the solution increases. What might be true about substance X? I. X might be a strong base that partially neutralized some weak acid.
II) X might be a strong acid that made the solution more acidic.
III) X might be a soluble ionic compound containing the anion A^-.

• A) I only
• B) II only
• C) III only
• D) I or III
• E) II or III

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Definitions:

Performance Appraisal

The process of evaluating an employee's job performance and productivity in relation to certain pre-established criteria and organizational objectives.

Halo Error

A cognitive bias in performance evaluations where one positive quality of an individual disproportionately influences the overall perception of their performance.

360 Degree Assessment

A performance appraisal method that involves feedback from all directions, including self-evaluation, peers, subordinates, and supervisors.

Performance Appraisal

The process of evaluating an employee's performance at work, typically to guide decisions on promotions, pay raises, and training needs.