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Q. Use values of ΔfH and ΔfG to evaluate the standard molar reaction enthalpy and the thermodynamic equilibrium constant at 298.15 K for the oxidation of nitrogen to form aqueous nitric acid:
The electron density between 1s and 2s orbital is : (1) High (2) Low (3) Zero (4)None of these Ans:Zero
Fractional crystallisation- Purification of organic compound The method of separation of diverse components of a mixture by repeated crystallisations is termed as fractional cr
The number of orbitals in the fourth principal quantum number will be: (1) 4 (2) 8 (3) 12 (4) 16 Ans: 16
Q. Evolution of the Modern Atomic Model? Ans: The atomic models of Dalton, Thomson, Rutherford, and Bohr eventually evolved into the current-day Quantum Mechanical model of the
Volumetric analysis Volumetric analysis is a quantitative analysis. It includes the measurement of the volume of a known solution needed to bring about the completion of the r
between nitrobenzene and phenol which is more reactive towards chlorine and why? Upon reaction with chlorine what products can be formed from the two reactions.
priming and foaming.
explain zone refining method of purification of silicon
Illustrate how a high initial permeability in Fe-Ni alloys helps to reduce the area under hysteresis loop. The most favourably oriented fully-grown domain tends to rotate so a
Coupling reaction - Miscellaneous reactions Phenol couples along with benzene diazonium chloride in existence of an alkaline solution to make a red dye (p-hydroxy azobenzene).
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