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Principal quantum number of an atom represents:
(1) Size of the orbital
(2) Spin angular momentum
(3) Orbital angular momentum
(4) Space orientation of the orbital
Ans: Size of the orbital
Q. Use values of Δ f H and Δ f G to evaluate the standard molar reaction enthalpy and the thermodynamic equilibrium constant at 298.15 K for the oxidation of nitrogen to form a
Hydrogen Peroxide Hydrogen peroxide is the other important hydride of oxygen. The oldest method of its preparation is by the action of dilute sulphuric acid on barium peroxide
match the graphs alkane,alkeneandalkyne
Li + H20 ----> LiOH + H2....if I start with 3.4 mols of H2O , how many mols of H2 can I make?
Chemicals in food Several chemicals are added to food for their preservation and improving their appeal. These involve flavorings, antioxidants, fortifiers, sweeteners, dyes, e
define borazine
The number of quantum numbers required to describe an electron in an atom completely is: (1) 1 (2) 2 (3) 3 (4) 4 Ans: 4
Polynuclear benzenoid hydrocarbons are provided to be carcinogenic that means cancer producing.There are liberated by incomplete combusion of certain substances like tobacoo,coal p
What are the examples of radiation hazards
Types of rocket propellants: Depending on the physical state, propellants can be categorized as: a. Hybrid propellants b. Liquid propellants c. Solid propellants
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