The Amount of Energy That Is Estimated to Be Contained

question 35

Multiple Choice

The amount of energy that is estimated to be contained in the nucleus of a grain of sand would

• A) heat a liter of water in a microwave oven for 5 minutes.
• B) provide a year's worth of energy for the United States.
• C) equal six dump-truck loads of coal.
• D) be the same as one day's hydroelectric energy output of Niagara Falls.
• E) equal the gasoline energy needed for a cross-country trip.

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Definitions:

Compound

A concoction formed through the chemical union of two or more elements in determined proportions.

Energy π MO

Refers to molecular orbitals formed by the overlap of pi orbitals, affecting molecular stability and reactivity, particularly in conjugated systems.

Resonance Energy

The difference in energy between the actual structure of a molecule and the energy of the most stable resonance structure, indicating stability due to resonance.

Stability

The tendency of a chemical compound to maintain its original state or resist decomposition under specific conditions.