Hydrofluoric Acid Is Used in the Preparation of Numerous Pharmaceuticals

question 65

Multiple Choice

Hydrofluoric acid is used in the preparation of numerous pharmaceuticals (e.g., Prozac) and industrial materials (e.g., Teflon) . It can be produced by the reaction of hydrogen and fluorine gases. Starting with initial concentrations of 2.00 M for H₂ and 2.00 M for F₂, what would be the equilibrium concentration of HF? The equilibrium constant for the reaction K_c  115.

• A)0.85 M
• B)1.69 M
• C)2.85 M
• D)3.37 M
• E)4.00 M

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Definitions:

Hypothalamus

A region of the brain that controls an enormous number of bodily functions including hunger, thirst, sleep, and emotional activity.

Consciousness

The condition in which a person is conscious and can reflect on their own being, feelings, ideas, environment, and life events.

Suprachiasmatic Nucleus

A region in the brain's hypothalamus responsible for controlling circadian rhythms, including the sleep-wake cycle.

Circadian Cycle

The biological clock of living beings, regulating physiological and metabolic processes in a roughly 24-hour cycle.