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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
Ionic and covalent bonds are present in: (1) CCl 4 (2) CaCl 2 (3) NH 4 Cl
What is the purpose of zone refining? In a binary phase diagram (pressure omitted), what is the maximum number of phases which can coexist for at least one degree of freedom?
Ask questiwhat is cryoscopyon?
Q. Name of the reagent required for determination of hardness of water sample of complex metric method. Briefly give the function of each reagent used. Ans. Reagents requir
How can explain it
what are the chemical properties of solids???
Substitution reactions Replacement of a molecule or set/group of the substrate by any another type of atom or group is termed as substitution reactions. Examples :
#what are the types of mixtures
is relation a=2r+ + 2r- correct for bcc
PHOSPHORUS, ARSENIC AND ANTIMONY The bigger elements in the same group (15) as nitrogen are usually known as 'pnictogens' and their compounds with metals as 'pnictides'. Althoug
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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