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For an electron if the uncertainty in velocity is Δ v , the uncertainty in its position( Δ x ) is given by:
(1) hm/ 4 Π Δ b
(2) 4 Π / hm Π v
(3) h/ 4 Π Π b
(4) 4 Π m / h Δ v
ans: h/ 4 Π Δ b
The spectrum of He is expected to be similar to: (1) H (2) Li + (3) Na (4) He + Ans: Li +
Q. Reactions with metals? Ans. Halogens commonly undergo reactions with metals. Halogens react with the alkali metal family, Group IA in the periodic table. For example,
Hydride generation method: The hydride generation method of sample enhances the detection limits by a factor of 10 to 100 by converting the analyte element into a volatile hyd
Edible colours - Chemicals in food Edible colours employed for food are mainly dyes. The make use of food dyes is specifically wide spread. They are utilized to colour everythi
The concentration of hydrogen ions in solution affects the enzyme activity. Every enzyme has maximal efficiency under an optimum pH. As pH is one of the factors for the denatura
what is eld
i want know about the whole concept of werner complex.how it is and why we should know..everything
I have the following reactions (1)NaOH+CO2+M=NaHCO3+M, K1 (2)NaHCO3+H=Na+H2CO3, K2 (3)2NaHCO3+M=(NaHCO3)2+M, K3 ki''s are the rate constants. Suppose NaHCO3 is a dominating constit
why uranium235 and thorium232 dont participate in nuclear fission
Sn + No3- ------- Sno2 + No2
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