7. 2-hydroxypropanoic acid (lactic acid) has a chiral carbon atom. Draw the structure of lactic acid and mark the chiral atom with *. Draw three-dimensional diagrams of the two optical isomers to show that they are non-superimposable mirror images of each other. 2-hydroxypropanoic Optical isomers acid (lactic acid) Copy image of drawn optical Copy image of drawn optical isomers Copy image of structure of lactic acid (chiral centre) isomers
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.
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