A Engine Goes Through a Cyclic Process

question 37

Multiple Choice

A engine goes through a cyclic process. During the cyclic process the engine takes in 3,200 J of heat and has a heat output of 2,400 J. What is the efficiency of the engine?

• A) 10%
• B) 15%
• C) 25%
• D) 40%
• E) 52%

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Definitions:

Cycloaddition

A type of chemical reaction where two or more unsaturated molecules combine to form a cyclic adduct, important in the synthesis of heterocyclic compounds.

Organic Letters

A peer-reviewed scientific journal publishing original research articles in organic chemistry.

Molecular Orbitals

Orbitals that belong to a molecule as a whole, where electrons are considered to be delocalized over the entire molecule.

Electrophile

A chemical species that accepts an electron pair from a nucleophile to form a chemical bond.