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The position and velocity of a small particle like electron cannot be simultaneously determined." This statement is:
(1) Heisenberg uncertainty principle
(2) Principle of de Broglie's wave nature of electron
(3) Pauli's exclusion principle
(4) Aufbau's principle
Ans: Heisenberg uncertainty principle
what is oxidation state?
Q. Show the Units of Measurement? You most likely know your height in feet and inches. The majority people outside the United States however measure height in meters and centim
Number of unpaired electrons in 1s 2 2s 2 2p 3 is: (1) 2 (2) 0 (3) 3 (4) 1 Ans: 3
Preparation of ethane by lab method
Calculate the free energy change of following reaction at298 kelvin H2+I2=2HI if the enthalpy change is 51.8816kj and the entropy change is 166.15j is this reaction thermodyanamica
Fast reactions are those reactions that occur instantaneously. A fast reaction depends upon the reaction rates. These reactions are so fast that they occur as soon as the reactants
the given solution contains 2.5g of laundry soap dissolved per 250 cubic cm.determine the amount of free alkali in 350 cubic cm.
reactions
Synthetic Detergents - Oils and Fats The synthetic Syndets or detergents are substitutes of soaps. They comprise cleansing power as good or better as compared to ordinary soaps
what is resonence effect on acidity
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