The Starship Enterprise Is Caught in a Time Warp and Spock

question 28

Multiple Choice

The Starship Enterprise is caught in a time warp and Spock is forced to use the primitive techniques of the 20th century to determine the specific heat capacity of an unknown mineral. The 307-g sample was heated to 98.7 $\degree$ C and placed into a calorimeter containing 72.4 g of water at 23.6 $\degree$ C. The heat capacity of the calorimeter was 15.7 J/K. The final temperature in the calorimeter was 32.4 $\degree$ C. What is the specific heat capacity of the mineral?

• A) 0.124 J/(g ? K)
• B) 0.131 J/(g ? K)
• C) 0.138 J/(g ? K)
• D) 0.145 J/(g ? K)
• E) None of these choices is correct.

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Definitions:

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Behaviors and decisions that maximize a person’s chances of achieving his or her goals. See rational behavior.

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A hypothetical scenario where individuals or entities have access to an infinite amount of money resources.

Total Utility

The total satisfaction received from consuming a given total quantity of a good or service.

Marginal Utility

The additional satisfaction or benefit received from consuming one more unit of a good or service.