The Reciprocal Is Used

question 36

Multiple Choice

The reciprocal is used:

• A) In multiplying fractions
• B) To replace the cancellation method
• C) In dividing whole numbers
• D) In dividing fractions
• E) None of these

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Definitions:

Infrared Spectrum

A spectrum representing the infrared absorption or emission by a substance, used to identify chemical functionalities and molecular structure.

Mass Spectrum

A plot or record that shows the distribution of ions by mass in a sample, used to determine the composition of a substance.

Base Peak

In mass spectrometry, the most intense peak representing the ion that is the most abundant.

Pentanoic Acid

A short-chain fatty acid with five carbon atoms, also known as valeric acid, with a strong, pungent odor.