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What is basically Gibb''s free energy change?Ans) The energy associated with a chemical reaction that can be used to do work. The free energy of a system is the sum of its enthalpy (H) plus the product of the temperature (Kelvin) and the entropy (S) of the system... DeltaG=Delta H - T Delta S
Write the maximum possible coordination number of an atom in an hcp crystal structure of an element? Illustrate the formula relating pressure of a gas with its mole fraction in
Which of the following sets of quantum numbers is correct for an electron in 4f orbital: (1) n-=4, l=3. m+1, s= +1/2 (2) n-=4, l=4. m-4, s= -1/2
Which one is the electronic configuration of Fe +2 : (1) 1s 2, 2s 2 , 2p 6 , 3s 2 , 3p 6 , 3d 6 (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 4 , 4s 2 (3) 1s 2 , 2s 2 ,
A red flame is produced when LiCl is heated. How can I determine which transition between the energy levels produces this colour?
convert km to m
Liquid-liquid extraction is used to separate acetone and MIBK. A mixture of acetone and MIBK is fed to a mixing tank at a rate of 100 kg/min. Pure water is also fed to the tank and
chemical laws and their verification
Q. Show the techniques of preservation? The various methods can be used for preservation of foods. Some of the common methods employed to preserve foods are summarized herew
Q. Find out the temperature of Ellingham diagrams? Ellingham diagrams are very useful for finding out the temperature at which appreciable reaction occurs. The lower the ΔG 0
Difference in variation of molar conductivity in dilution for strong and weak electrolyte
Gibb''''s free energy is the useful work done by the system..... G=H-TS.....If G is negative,the rxn is spontaneous & if G is positive , the rxn is non-spontaneous
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