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Calculate the molar concentration of the solution essential to obtain the value of 10 molecules per µm2. (For this calculation we suppose that the transfer of the dye molecules from solution to the sample surface by evaporation of the solvent is homogeneous on the whole wetted area.)
The sample is illuminated with the 543.5 nm-line of a green He-Ne laser. The excitation power is adjusted so that the illuminated area (100 nm in diameter) is hit by 3 · 1010 photons per second.
Limitations of 3rd law
what is the meaning of double indicator titration?
Which of the following is least soluble: (1) BeF 2 (2) NaBr (3) CaF 2 (4
Write the electron configuration for Tl why do we use F block and how do i count the subshells in that case?
write the structures of the major product (saytzeff elimination) when the following alcohols are dehydrated with hot,concentrated sulphuric acid. 1. 3-methyl-2-butanol 2. 2-pentano
potentiometric titration
ether is more volatile than an alcohol both having same molecular formula. why?
Classification of polymers - On the basis of structure On the basis of structure of polymers these can be classified as (i) Linear polymers (ii) Branched chain polym
2+2
Discuss about the different types of stones used for the construction and how to determine the good quality stone?
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