If K_a for HCN Is 6

question 66

Multiple Choice

If K_a for HCN is 6.2  10^-10, what is K_b for CN^-?

• A) 6.2  10^-24
• B) 6.2  10⁴
• C) 1.6  10^-5
• D) 1.6  10²³
• E) none of these

Identify the characteristics and risks associated with cannabis use.

Understand the historical context and usage patterns of various drugs, such as MDMA.

Analyze the potential long-term impacts of MDMA usage on cognitive functions and health.

Recognize the difference between physical and psychological dependence on substances like marijuana.

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Definitions:

Mydriat

Often refers to mydriasis, the dilation of the pupil of the eye caused by disease, trauma, or the use of certain drugs.

Dilation

The action of expanding or being expanded in diameter or volume; in medical contexts, it often refers to the expansion of a passage or cavity.

Phacoemulsification

A modern cataract surgery technique using ultrasonic energy to emulsify the eye's lens before its removal and intraocular lens implantation.

Ultrasound

A medical imaging technique that uses high-frequency sound waves to visualize internal organs and produce images of the body.