Assume That Acid Rain Has Lowered the PH of a Particular

question 103

Multiple Choice

Assume that acid rain has lowered the pH of a particular lake to pH 4.0. What is the hydroxyl ion concentration of this lake?

• A) 1 × 10-10 mol of hydroxyl ion per liter of lake water
• B) 1 × 10-4 mol of hydroxyl ion per liter of lake water
• C) 10.0 M with regard to hydroxyl ion concentration
• D) 4.0 M with regard to hydroxyl ion concentration
• E) 1 × 10-4 mol of hydroxyl ion per liter of lake water and 4.0 M with regard to hydrogen ion concentration

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Definitions:

Sympathetic Nervous System

A branch of the autonomic nervous system responsible for the body’s fight or flight response, regulating involuntary actions like heart rate and blood flow in reaction to stress.

Parasympathetic Nervous System

A division of the autonomic nervous system responsible for rest and digestion, conserving energy, and lowering heart rate.

James-Lange Theory

A theory of emotion that suggests emotions occur as a result of physiological reactions to events.

Schachter-Singer

A theory of emotion that suggests emotions are based on physiological arousal and the cognitive interpretation of that arousal.