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I'm assuming dissymmetry means asymmetry here.
Symmetry in chemistry is a lot like symmetry in mathematics. If a certain molecule is identical to its mirror image, then it is said to be symmetrical.
Asymmetry means the opposite. An asymmetric molecule is not identical to its mirror image.
Our hands are an example of asymmetry. Look at your two hands. You will see that they are mirror images of each other. However, they are not exactly the same. Whereas, the thumb on the left hand is on the right, the thumb on the right hand is on the left.
In chemistry, an example is 1-bromo 1-chloro ethane. If you draw its structure in the tetrahedral shape, you will see that 4 different groups are attached to the second carbon. Now draw its mirror image. Are they the same in 3D? No.
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What can't a chemical formula describe?
The stereochemistry of a compound.
What does E stand for in liquids?
E isomer, absolute stereochemistry of double bonds
Why did Vladimir Prelog win The Nobel Prize in Chemistry in 1975?
The Nobel Prize in Chemistry 1975 was divided equally between John Warcup Cornforth for his work on the stereochemistry of enzyme-catalyzed reactions and Vladimir Prelog for his research into the stereochemistry of organic molecules and reactions.
What does it mean to say that the chemistry of life is based upon geometry?
This is an uncertain affirmation although the stereochemistry of organic compounds is very important.
Why is a knowledge of stereoisomers important in medicine?
The Thalidomide tragedy was caused in part by a lack of knowledge of stereochemistry. One of the stereoisomers was toxic the other was not.
What has the author Ivan Bernal written?
Ivan Bernal has written: 'Stereochemistry of Organometallic and Inorganic Compounds' 'Stereochemistry of Organometallic and Inorganic Compounds (Stereochemistry of Organometallic & Inorganic Compounds)'
What has the author David Whittaker written?
David Whittaker has written: 'Stereochemistry and mechanism' -- subject(s): Stereochemistry
What has the author A D Ketley written?
A. D. Ketley has written: 'The stereochemistry of macromolecules' -- subject(s): Polymers, Stereochemistry
What can't a chemical formula describe?
The stereochemistry of a compound.
What does a wavy single bond represent in skeletal formulas?
It is a representation of unknown or unspecified stereochemistry. It can also be used to indicate a mixture of isomers.
What has the author Dennis P Curran written?
Dennis P. Curran has written: 'Advances in Cycloaddition' 'Stereochemistry of radical reactions' -- subject(s): Stereochemistry, Free radical reactions, Radicals (Chemistry)
What is the lift differential that exists between the advancing main rotor blade and the retreating main rotor blade known as?
Dissymmetry of Lift
What does E stand for in liquids?
E isomer, absolute stereochemistry of double bonds
Stereochemistry of hydration in carbon carbon double bond?
none because it creates a carbocation
What has the author Dermot Kehoe written?
Dermot Kehoe has written: 'Studies in the stereochemistry of some hydroxyflavans'
What has the author Karl Freudenberg written?
Karl Freudenberg has written: 'Stereochemie' -- subject(s): Stereochemistry
Why did Vladimir Prelog win The Nobel Prize in Chemistry in 1975?
The Nobel Prize in Chemistry 1975 was divided equally between John Warcup Cornforth for his work on the stereochemistry of enzyme-catalyzed reactions and Vladimir Prelog for his research into the stereochemistry of organic molecules and reactions.
