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The equation Δ x Δp ≥ h/ 4Π shows:
(1) de-Broglie relation
(2) Heisenberg's uncertainty principle
(3) Aufbau principle
(4) Hund's rule
ans: Heisenberg's uncertainty principle
Calculate the mass of sodium chloride: Problem: Let us calculate the mass of sodium chloride in a solution containing 24 Na (half-life, 15 h) whose activity is 5.7 mCi
explain why carbon tetra-chloride does not dissolve in water?
Properties and uses of D.D.T. (i) D.D.T. is approximately insoluble in water although it is moderately soluble in polar solvents. (ii) D.D.T. is a powerful insecticide. It i
Q. Briefly explain acid-base titration ? Ans. A valuable laboratory technique used by chemists is called an acid-base titration. A titration is a process in which the c
Uses of Formic acid - Carboxylic acids (a) Formic acid is used in the laboratory for preparation of carbon monoxide. (b) Formic acid is used in the preservation of fruits.
give me two examples of compounds formed by s - blockmetals
There energy becomes lesser due to completely filled orbitals.
describe any three types of EDTA titrations.
Formic acid is a weak acid along with a pKa of 3.75. Name of this comes through the Latin term "formica" ("ant") since it is extremely plentiful into the secretions of several spec
Q. Illustrate Egg White Foams? Egg white foams when whipped or beaten, the air gets entrapped in the liquid present, and an interfacial tension is established between the ai
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