A Refrigerator Uses 40 J of Work to Extract Heat $^{\circ}$

question 38

Multiple Choice

A refrigerator uses 40 J of work to extract heat from a heat reservoir at 0.00 $^{\circ}$ C.If the coefficient of performance of the refrigerator is 2.1,then how much heat is extracted from the heat reservoir at 0.00 $^{\circ}$ C?

• A) 48 J
• B) 65 J
• C) 84 J
• D) 90 J

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Definitions:

Molecular Orbital

A region in a molecule where electrons are most likely to be found, representing the quantum mechanical behavior of electrons in molecules.

Conjugated Pi System

A molecular structure where alternating single and double bonds allow electrons to be more delocalized and contribute to the molecule's stability.

LUMO

The Lowest Unoccupied Molecular Orbital is the orbital with the lowest energy level capable of accepting an electron.

1,3-Butadiene

An organic compound that is a simple conjugated diene with the formula C4H6, known for its role in the production of synthetic rubber.