________ are useful for demonstrating atom connection in a molecule.
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Collisions
________ and thermal movements cause the strained and relaxed structures to interconvert.
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normal temperature
At ________, ethane molecules collide with enough energy to pass the energy barrier between extreme conformations, and rotation about the carbon- carbon single bond from one conformation to another happens quickly.
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carbon carbon
There are an unlimited number of ethane conformations that differ only in the degree of rotation about the ________ single bond.
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bicycloalkane
A(n) ________ has the generic formula CnH2n22.
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physical entities
Chemicals, like every macroscopic object, are ________ with optimum structures.
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Cyclopropane
________ and its derivatives undergo various ring- opening processes not found in bigger cycloalkanes due to their severe intramolecular strain.
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Rotation
________ is not totally free since there is a minor energy barrier between conformations.
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bent branch
A(n) ________ has more energy than an undisturbed branch, and that energy is released as it relaxes between wind gusts.
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term Strain
The ________ is a fundamental term in organic chemistry, and is a measure of the energy stored in a chemical as a result of structural deformation.
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