Determine the Check Digit That Should Be Appended to the U.S

question 80

Multiple Choice

Determine the check digit that should be appended to the U.S. Postal Service money order identification number 2384943094.

• A) 1
• B) 4
• C) 6
• D) 8

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Definitions:

O-H Stretch

A vibrational mode observed in infrared spectroscopy, characteristic of the stretching of the O-H bond in molecules, indicative of the presence of alcohols or water.

Alcohols

Organic compounds characterized by one or more hydroxyl (-OH) groups attached to a carbon atom.

IR Absorption

A technique in spectroscopy where molecules absorb infrared light, causing vibrational transitions, used to identify chemical compounds.

IR Absorption

The process by which molecules absorb infrared radiation at specific wavelengths corresponding to vibrations of molecular bonds.