Use the Following to Answer Question

question 10

Multiple Choice

Use the following to answer question:
-Heat is added to a substance at a constant rate.The substance starts as a solid and is melted; the liquid is heated and vaporized; finally,the vapor is heated.This process is shown in the graph.Which of the following statements is correct?

• A)The latent heat of fusion is greater than the latent heat of vaporization.
• B)The latent heat of vaporization is greater than the latent heat of fusion.
• C)The latent heat of vaporization is equal to the latent heat of fusion.
• D)The mass of the substance must be known before any statements about the latent heats can be made.
• E)The relative sizes of the latent heats depend on the rate at which the heat is added.

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Definitions:

Restraint Of Trade

Legal doctrine that restricts the ability for parties to freely conduct business, often related to antitrust issues and competition law.

Tying Contract

A sales agreement that requires the buyer to purchase another product or service, distinct from the product or service of interest.

Federal Trade Commission Act

A United States law established in 1914 to promote consumer protection and eliminate and prevent anticompetitive business practices.

Clayton Act

A U.S. antitrust law, enacted in 1914, aimed at preventing unfair business practices such as price discrimination, exclusive dealings, and mergers that significantly lessen competition.