A System That Does No Work but Which Receives Heat

question 56

Multiple Choice

A system that does no work but which receives heat from the surroundings has

• A) q < 0, ΔU > 0.
• B) q > 0, ΔU < 0.
• C) q = ΔU.
• D) q = -ΔU.
• E) w = ΔU.

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Definitions:

Anal Canal

The last few centimeters of the rectum.

Contrast Medium

A substance used in medical imaging to improve the contrast of structures or fluids within the body to allow for clearer imaging results.

Blood Vessel

Cylindrical structures responsible for transporting blood across the body, encompassing arteries, veins, and capillaries.

X-ray Examination

A diagnostic procedure using X-rays, a form of electromagnetic radiation, to view internal structures of the body.