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Which of the following sets of quantum number is not possible: (1) n=3, l=+2, m=0,and s = +1/2 (2) n=3, l=0, m=0,and s = -1/2 (3) n=3, l=0, m=-1,and s = +1/2
(a) Derive a relationship between the elevation in boiling point of a solution and the mole fraction of the solute from the thermodynamic consideration. (b) The molal elevatio
What is use of acetonitrile compare to methanol in RP-HPLC Method development? ACN is highly polar as compare to Methanol So give Better resolution for more compound and it has p
Element is strongly electropositive and Y is strongly electronegative. Both element are univalent, the compounds formed from their combination will be: (1) X + Y -
Why a covalent bond is directional? Covalent bond is formed as a result of pairing of two electrons in atomic orbitals of two atoms. Bond then must lie along the direction of
Explain Le Chateliers Principle Le Chatelier′s Principle is the principle when a stress is going to applied on a chemical system at equilibrium, the equilibrium will be shift t
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Pauli's exclusion principle states that: (1) Two electrons in the same atom can have the same energy (2) Two electrons in the same atom cannot have the same spin (3) The
Q. Show Equilibrium expression for water? Ans. The equilibrium expression for water is equal to a constant, Kw. This constant is called the ion product of water and is equ
Q. Describe Molarity and Molality and what is the basic diffrence between Molarity and Molality? The concentration of a solution is usually expressed as molarity (i.e., M). The
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