One End of a Metal Rod Is in Contact with a Reservoir

question 31

Multiple Choice

One end of a metal rod is in contact with a reservoir at a 400 K and the other end in contact with a reservoir at 100 K.The rod and reservoirs make up a closed system.If 5500 J are conducted from one end to the other uniformly (no change in temperature along the rod) what is the change in entropy of the rod?

• A)0.0 J/K
• B)18.3 J/K
• C)21.1 J/K
• D)34.4 J/K
• E)37.2 J/K

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Definitions:

Receivables Growth

A rise in the total money that customers owe a company for products or services provided on credit.

Long-Term Credit Sales

Sales made on credit with repayment terms extending beyond the normal operating cycle or one year.

Notes Receivable

Financial assets representing amounts owed to a company by customers or others, typically from sales or loans, that are expected to be paid.

Interest Income

Revenue generated from lending money or depositing funds in interest-bearing accounts.