Which One of the Following Situations Is a Direct Application

question 19

Multiple Choice

Which one of the following situations is a direct application of the Zeroth Law of Thermodynamics?

• A)Block A has twice the temperature of block B before they are brought into contact.Upon contact,heat flows from block A to block B.
• B)A sample of gas within a cylinder with a piston is held at constant temperature and pressure while it is allowed to expand.During this process,the gas absorbs heat from its surroundings.
• C)The motor of a refrigerator uses electric energy to remove heat from inside the refrigerator and transfer it to the room.
• D)A physicist removes energy from a system in her laboratory until it reaches a temperature of 3 × 10^-¹⁰ K,a temperature very close to (but still greater than)absolute zero.
• E)A thermometer is calibrated by placing it in an ice water bath within an adiabatic container until the thermometer is in thermal equilibrium with the ice water.

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Definitions:

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Referring to infants who receive nutrition from bottles rather than breastfeeding, involving formula or other substitutes.

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Young children from birth to one year old, characterized by rapid physical and cognitive development.

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Steroid hormones that play a key role in the development of male traits and reproductive activity.

Leptin

A hormone produced by fat cells that helps to regulate body weight by inhibiting hunger and thus reducing food intake.