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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.
explain the chemical change that take place in the conversion primary alcohols into secondary alcohols
#question.What is the balanced equation for the reaction of aluminium nitrate solution and sodium carbonate solution; where aluminium hydroxide is formed.
Write the structures of monomers used in the preparation of: a. Teflon b. PMMA
Mesh size of silica gel for prep tlc
Ammonia is a gas for which reliable analytical methods are available to determine concentration in other gases. To measure flow in a 15 inch schedule 40 natural gas pipeline, pure
Ask what are the benefit of fevorskii reaction question #Minimum 100 words accepted#
List three factor that affect conductivity
determination of glucose,fructose and maltose.
An excess of NaOH solution was added to 100 ml of a ferric chloride solution. This caused the precipitation of 1.425 gram of Fe(OH)3 . calculate the normality of ferric chloride so
Q. What is Oxidation Numbers? Ans. Chemists find it useful to describe the oxidation states of an element by means of oxidation numbers. The oxidation number of an element
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