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Entropy (S) is a molecular 'disorder', or more precisely 'the number of microscopic arrangements of energy possible in a macroscopic sample'. Entropy depends strongly on the state and increases with rise in temperature.
Entropy changes (ΔS) are positive for reactions that generate gas molecules. The Second Law of Thermodynamics defines that the total entropy always increases in a spontaneous process, and reaches a maximum value at equilibrium. To apply this to chemical reactions it is necessary to include entropy changes in the surroundings caused by heat output or input. Both external and internal changes are taken account of by defining the Gibbs free energy change (ΔG): for a reaction performing at constant temperature.
The triene contains two diene units with one double bond common to both. The dienophile reacts with the diene unit that is locked in an s-cis conformation.
Dipole Moment - Applications of Hyperconjugation As hyperconjugation affects the development of charges, it as well affects the dipole moment in the molecule. The increase in d
explain heat as internal energy as state function
what is gas ion electrode?
defference between diffusion and osmosis
classification of alkenes
Properties of Nitrophenols: O-Nitrophenol is a yellow in colour crystalline compound, whereas m- and p-isomers are colourless crystalline compounds. Isomer orth
An electron has principal quantum number 3. The number of its (i) sub-shells and (ii) orbitals would be respectively: (1) 3 and 5 (2) 3 and 7 (3) 3 and 9
A Tris buffer at pH 6.0 (here "Tris" is a nickname use for Tris hydroxymethyl amino methane). For the given pK A table is Tris a compound you would select for a buffer at pH 6.0?
Nucleophilic addition reactions: While the addition reaction takes place on account of the initial attack of nucleophile, the reaction is known as a nucleophilic addition react
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