A Small Metal Shop Operates 10 Hours Each Day, Producing

question 9

Multiple Choice

A small metal shop operates 10 hours each day, producing 100 parts/hour. If productivity were increased 20%, how many hours would the plant have to work to produce 1000 parts?

• A) less than 2 hours
• B) between 9 and 10 hours
• C) between 2 and 6 hours
• D) between 6 and 8 hours
• E) between 8 and 9 hours

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Definitions:

Strong Acid

An acid that completely dissociates into its ions in water, releasing all of its hydrogen atoms as hydrogen ions.

Acidity

A measure of the ability of a solution to donate hydrogen ions (H+) and thereby lower its pH.

pH

A scale used to specify the acidity or basicity of an aqueous solution, with values ranging typically from 0 (highly acidic) to 14 (highly basic).

pH

A scale used to specify the acidity or basicity of an aqueous solution, where 7 is neutral, values less than 7 are acidic, and values greater than 7 are basic.