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For a first order reactiont=2.303klogaa-xHere initial concentration, a = 10 g and concentration left after time t sec = 2.5 g i.e., 2.5 g i.e., (a –
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The limitations of dimensional analysis are:(i) We cannot derive the formulae involving trigonometric functions, exponential functions, log functions etc., whi
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Answer:Wb = 12.4nB= 62g/molWA = 100gkf for water = 1.86 K kg/molkb for water = 0.512 K kg/mol 
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Given, Wavelength, λ1 = 6500 AoWavelength, λ2 = 5200 Ao (i) The distance of the mth bright fringe from the cen
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[NiCl4]2-
(i) IUPAC name = Tetrachloronickelate (II) ion
(ii) Hybridization of Ni in the complex [NiCl4]2- is sp3. The hybridisation scheme is shown in the
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We are given a concave mirror. Here, Object size, h = + 4.0 cmObject distance, u = -25.0 cmFocal length, f = - 15.0 cmImage distance, v = ?Image size, h = ?&nb
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(a) According to Lenz’s law, the direction of the induced current (caused by induced emf) is always such as to oppose the change causing it.where k is a posi
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According to the writer, an interview helps us in finding out the hidden talent of a person. It brings to us the truth about people and events. It is a supreme
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In ΔADC,    In ΔABC,
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अर्थव्यवस्था की तीन केंद्
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Equivalent conductivity : The conductivity of a volume (V) of a solution containing one equivalent of electrolyte placed between two electrodes separated by uni
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