States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
Write the mechanism of
Give a full curved arrow mechanism for the ring-opening reaction of an epoxide below. Show ALL non-bonded electron pairs and all non-zero formal charges where applicable.
(Note: you will need to redraw the structures provided in order to show
the mechanism correctly; non-bonded electron pairs have not been shown, although nonzero formal charges are included.)
Be sure to show any stereochemical elements in the
product(s) correctly.
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