Phosphorus Was First Isolated in 1669 by Hennig Brandt,a German

question 24

Multiple Choice

Phosphorus was first isolated in 1669 by Hennig Brandt,a German alchemist.Brandt was able to isolate approximately 30 grams of phosphorus from 60 gallons of ________.

• A) sea water
• B) Chilean saltpeter
• C) urea
• D) honey
• E) urine

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Definitions:

Cost-Justified

A determination that an expense, investment, or action is deemed reasonable or worthwhile based on its cost.

Robinson-Patman Act

is a United States federal law that prohibits anticompetitive practices by producers, specifically price discrimination.

Consumer Surplus

The difference between the total amount that consumers are willing and able to pay for a good or service and the total amount they actually do pay.

Producer Surplus

The disparity between what sellers are prepared to accept for a product or service and the amount they actually get.