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The frequency of one of the lines in Paschen series of hydrogen atom is2.340x10 11 Hz. The quantum number n 2 which produces this transition is: (1) 6 (2) 5
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
Q. Describe Structure of Solids? Ans. Solids are different from gases and liquids because they have a fixed shape. This definite shape occurs as the individual particles w
We can find a compound is acid or base by using litmus test. Acides turnes red litmus to blue colour, in case of base it turnes blue litmus to red.(or) According to arrhenius
on what basis basic radicals are separated into six groups ?
Blending is an important unit operation in the chemical and process industries. It is employed in a wide variety of industries including the production of cement and gasoline. C
Polyethylene: Polyethylene are formed by polymerization of ethylene under high pressure and at moderately high temperature. The resulting polymers are then subjected to substituti
A single-effect evaporator is used to concentrate 60000 kg h-1 of a 40 wt % NaOH solution which is fed to the evaporator at 40°C. The concentrated liquid is a 55 wt % NaOH solut
perkin ring clousre reaction
Most ligands have a nonbonding electron pair that may react as a donor to empty orbitals on the metal atom. In ligands known as π acids or π acceptors a donor-acceptor communic
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