A Pencil Partially Submerged in a Glass of Water Appears

question 65

Multiple Choice

A pencil partially submerged in a glass of water appears broken or offset because of

• A) polarization.
• B) diffraction.
• C) interference.
• D) refraction.

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Definitions:

Conjugate Acid

A species formed by the reception of a proton (H⁺) by a base, in the context of Bronsted-Lowry acid-base theory.

Ethanamine

An organic chemical compound, also known as ethylamine, with the formula CH3CH2NH2, classified as a primary amine.

Conjugate Base

The species that remains after an acid has donated a proton, often able to react by accepting a proton.

pKa Values

A quantitative measure that indicates the strength of an acid; it's the logarithmic constant of a compound's dissociation in water.