Which of the Following Processes Is a Chemical Change

question 13

Multiple Choice

Which of the following processes is a chemical change?

• A) Dry ice sublimes when left on the demo table in lecture.
• B) The light on a candle burns until a bell jar is placed over it for a period of time.
• C) When a few drops of red food coloring are added to a beaker of hot water, the water immediately turns red.
• D) Liquid nitrogen dumped onto the floor vaporizes at room temperature.
• E) None of the above processes are chemical changes.

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Definitions:

Perfect Price Discrimination

A pricing strategy where a seller charges the maximum price that each consumer is willing to pay, thus capturing the entire consumer surplus.

Deadweight Loss

A loss of economic efficiency that can occur when the equilibrium for a good or service is not achieved, leading to an under or overallocation of resources.

Pay-per-view

A television service allowing viewers to purchase events to be viewed on a private telecast at home.

Deadweight Loss

The loss of economic efficiency that can occur when equilibrium for a good or a service is not achieved or is not achievable.