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Q. Use the following information to draw a temperature-composition phase diagram for the binary system of H2O (A) and Na2SO4 (B) at p = 1 bar, confining t to the range 20 to 50oC and zB to the range 0 - 0.2. The solid decahydrate, Na2SO4 10H2O, is stable below 32.4oC. The anhydrous salt, Na2SO4, is stable above this temperature. There is a peritectic point for these two solids and the solution at xB = 0.059 and t = 32.4oC. There is a eutectic point for ice, Na2SO4 10H2O, and the solution at xB = 0.006 and t = 1.3oC.
why dipole moment of CH3CL is more than CH3F
Determine the architectural units of silicates This common architectural unit (SiO 4 4- ) of silicates is of remarkable stability. The different silicates may be classified
The electron pair which forms a bond between two similar non-metallic atoms will be: (1) Dissimilar shared between the two (2) By complete transfer from one atom to other
The amount of energy released when one mole of bonds are formed among the corresponding gaseous atoms is known as Bond energy.
An example for trihydric phenols
In covalency : (1) Electrons are transferred (2) Electrons are equally shared (3) The electron of one atom are shared between two atoms (4) None of the above Ans: E
Chemical kinetics is study of the rates of chemical processes. The detailed explanation at molecular leve
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Which one of the following compound is ionic: (1) KCl (2) CH 4 (3) Diamond (4) H 2 Ans: KCl
Ionic Radii The experimentally calculated anion-cation distances in highly ionic solids have to be interpreted on the assumption that each and every ion has a nearly fixed
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