Which of the Following Acids (Listed with K_a Values) and Their

question 54

Multiple Choice

Which of the following acids (listed with K_a values) and their conjugate base would be the best choice to make a buffer with a pH of 2.34?

• A) C₆H₅COOH, K_a = 6.5 × 10^-5
• B) HF, K_a = 3.5 × 10^-4
• C) HClO, K_a = 2.9 × 10^-8
• D) HCN, K_a = 4.9 × 10^-10
• E) HClO₂, K_a = 1.1 × 10^-2

Understand the role of peers and social environment in adolescent development.

Describe the significance of sleep patterns and their changes during adolescence.

Recognize the influence of early puberty on mental health and behavior.

Understand the impact of personality traits on emotional well-being and coping strategies in older adults.

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Definitions:

Cognitive Appraisal Theory

A psychological theory that explains how individuals evaluate and interpret different situations and stressors, leading to various emotional and behavioral responses based on their assessments.

Primary Appraisal

The initial evaluation process where an individual assesses the significance of a stressor as irrelevant, benign-positive, or stressful.

Secondary Appraisal

This part of the stress-coping process involves evaluating one's resources and options for dealing with a potential stressor after its initial assessment.

Good Mood

A positive emotional state characterized by feelings of joy, contentment, and well-being.