Refrigerators: a Refrigerator Has a Coefficient of Performance of 1

question 8

Essay

Refrigerators: A refrigerator has a coefficient of performance of 1.15, and it extracts 7.95 J of heat from the cold reservoir during each cycle.
(a) How much work is done on the gas in each cycle?
(b) How much heat is exhausted into the hot reservoir in each cycle?

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Definitions:

Asset

Resources owned or controlled by a company, expected to provide future economic value or benefits.

Owner's Capital

The amount of money and other assets owned by a business's owner after all liabilities have been deducted; also known as owner's equity.

Accounts Receivable

Amounts due from clients to a business for goods or services that have been supplied or rendered but haven't been settled.

Accounts Payable

Amounts owed by a company to suppliers or creditors for goods and services received but not yet paid for.