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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.
Sn + No3- ------- Sno2 + No2
50ml of 0.1M NH 4 OH ,25ml NH 4 Cl weere used to make a buffer . what is the PH is if Pk b is 4.8? Solution) The given buffer is a base buffer [NH4OH] =[(50*0.1)/75] [NH4Cl] =[(
Explain trend in variation of the atomic size properties from Boron and Thallium
When the value of azimuthal quantum number is 3, magnetic quantum number can have values: (1) + 1, 0, - 1 (2) + 2, + 1, 0, - 1, - 2 (3) - 3, - 2, - 1, - 0, + 1
Explain detergents? Give their scheme classification. Why are the detergents preferred over soaps?
how many laws of crystallography?
when these are combined...what do they make? And what is it used for?
Question: a) If you were a newly appointed environmental engineer in a wastewater treatment plant and one of your tasks was to characterise the wastewater. According to you,
The charge of an electron is -1.6 x10 -19 C. The value of free charge on Li + ion will be: (1) 3.6x 10 -19 c (2) 1x 10 -19 c (3) 1.6 x 10 -19
preparation of ethane with suitable equations (hydrogenation
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