A Refrigerator Removes Heat from the Freezing Compartment at the Rate

question 16

Multiple Choice

A refrigerator removes heat from the freezing compartment at the rate of 20 kJ and ejects 24 kJ into a room per cycle.How much work is required in each cycle?

• A) 4 kJ
• B) 20 kJ
• C) 22 kJ
• D) 24 kJ
• E) 44 kJ

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Definitions:

Corpus Callosum

A thick band of nerve fibers that divides the cerebral cortex lobes into left and right hemispheres, facilitating communication between both sides of the brain.

Myelination

The process of forming a myelin sheath around the nerves, which increases the speed at which impulses propagate along the myelinated fibers.

Hemispheres

Refers to the two halves of the brain or the globe, each of which serves distinct yet interrelated functions in processing information or controlling different functions.

Brain Specialization

The process by which certain areas of the brain take over specific functions or tasks, leading to the efficient processing of information.