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Q. Derive an expression for the standard molar reaction entropy of a reaction that can be used to calculate its value from the thermodynamic equilibrium constant and its temperatur
Q. Determine mass of an electron? Ans. Three years later after J.J Thomson discovered the electron, the American scientist Robert Millikan used an oil drop experiment to accu
Which one pair of atoms or ions will have same configuration: (1) F + ans Ne (2) Li + He - (3) C l - and Ar (4) Na and K Ans: Cl - an
Azimuthal quantum number defines: (1) e/m ratio of electron (2) Spin of electron (3) Angular momentum of electron (4) Magnetic momentum of electron Ans: Angular mo
Methane (CH4), or natural gas, is commonly used all over the world as a source of energy and fuel. Many homes in the United States combust methane to generate heat for hot water he
Silicon has 4 electrons in the outermost orbit. In forming the bonds: (1) It gains electrons (2) It loses electrons (3) It shares electrons (4) None of these Ans: I
A diluted polymer solution with a density of 1130 kg/m3 was extruded by a capillary tube of 3.5 mm internal diameter and 1 m long. The following results were contained at 25°C.
what are magnetism in d block?
Metals: Iron : 1. Most automobiles, machine tools, building parts, the hulls of large ships, and machine parts are made out of iron. (Iron metal is strong but is quite
Write down the reactions taking place in different zones in the blast furnace during the extraction of iron.
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