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Explain tie-line rule
Tie-line rule is applied to determine the compositions of two co-existing phases in a binary phase diagram. Tie line is a horizontal line drawn at the temperature of interest within two phase region. Tie line rule isn't concerned with phases. It can be applied only in two phase region. Overall compositions of two co-existing phases remain same on the tie-line. There is change only in their relative amounts that is determined by the lever rule.
A covalent bond between two atoms is formed by which of the following: (1) Electron nuclear attraction (2) Electron sharing (3) Electron transfer (
If n= 3 , then the value of which is incorrect: (1) 0 (2) 1 (3) 2 (4)3 Ans: 3
Mesomeric forms are the possible locations of electrons at a single instant, if you get what I mean. Like, an adjacent double and single bond in a molecule. The resonance form, how
Gold has a molar mass of 197g/mol. How many atoms are in the sample?Please give me procedure also. Ans) molecular wieght of gold is 197 g 1mole/g of molecule is occupies t
Chromium has the electronic configuration 4s 1 3d 5 rather than4s 2 , 3d 4 because: (1) 4s and 3d have the same energy (2) 4s has a higher energy than 3d (3)4s 1 is
The maximum number of unpaired electron can be present in d orbitals are: (1) 1 (2) 3 (3) 5 (4) 7 Ans: 5
hot lime soda process
Filter pump Some skill is needed to construct the ordinary glass filter pump, but it is possible to contrive one from glass tubing and good corks. The action of the pump depend
preparation of cycloalkanes
the set of numerical coefficients in the equation K2CrO4+HCl=K2Cr2O7+KCl is
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