For Ammonia, K_b Is 1

question 157

Multiple Choice

For ammonia, K_b is 1.8 × 10^-5 . To make a buffered solution with pH 10.0, the ratio of NH₄Cl to NH₃ must be

• A) 1.8 : 1.
• B) 0.18 : 1.
• C) 1 : 1.8.
• D) 1 : 0.18.
• E) none of these

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Definitions:

James-Lange Theory

The James-Lange theory is a psychological theory suggesting that emotions result from one's perception of physical reactions to stimuli, where physiological arousal precedes emotional experience.

Two-Factor Theory

A psychological theory that posits that emotional experiences arise from a combination of a state of physiological arousal and a cognitive interpretation of that arousal.

Autonomic Nervous System

The part of the nervous system that controls involuntary bodily functions, such as heart rate, digestion, and respiratory rate.

Two-Factor Theory

A theory of emotion developed by Schachter and Singer proposing that emotions are determined by both physiological arousal and cognitive labeling of the cause of that arousal.