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Symmetry is a property of molecules having more than one atom of the same kind, with equal bond lengths and/or bond angles. As like the high symmetry of the SF6 molecule (Fig. 1. arises from the six equal S-F bonds disposed at angles of 90° to each other. In order to build the notion more precise we use the idea of a symmetry operation. For example rotating SF6 by 90° about an appropriate axis, it appears indistinguishable after the rotation. The axis concerned is known as the symmetry element. Rotations which do not leave the molecule looking the similar are not symmetry operations.
The standard free energy change for a reaction is -212.3 kJ mol -1 . If the enthalpy of the reaction is - 216.7 kJ mol -1 , calculate the entropy change for the reaction.
examples of masking agents and substance used for
Purification of organic compounds Several methods are available for the purification of substances. Though, the selection of method, depends upon the nature of substance (if s
Ask question pls tell me the reaction of ethane and chlorine#Minimum 100 words accepted#
COMPOUNDS A AND B CONTAIN COPPER AND SULPHUR.EACH CONTAINS 20% AND 33.33% EACH BY MASS OF SULPHUR RESPECTIVELY.FIND THE RATIO OF THE ELEMENTS USING THE THIRD LAW OF CHEMICAL COMBIN
what happen when alcohol react PCl5
define packing of atoms...
P-nitrobenzenediazonium ion The p-nitrobenzenediazonium ion, which is formed in the diazotization reaction, acts as the electrophile in an electrophilic aromatic substitution a
oxidation state of p-block elements?
Q.Illustrate the Basic structure of polymers? Ans. Polymers are large organic compounds made of regularly repeating units. Plastics are made of polymers. Polymers ar
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