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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.
how law of crystallography helps in the study of crystal structure
lithium and beryllium markedly different from other members of their respectively groups
sources of errors in thermogravimetry
What is difference among silica used in TLC and HPLC column? Ans) TLC is known as thin layer chromatography. The simple methods works on the principle of adsorption, where as HP
Alkanes have single bond, but why are they less reactive as compared to alkenes or alkynes which have respectively double or triple bonds ? Alkanes have only single sigma bond w
How long would it take to consume 13mg of Mg in 4.2mL of 1.25M HCl?
chemical prooperties of aldehydes?
Q. Illustrate diffrent types of graphs? Circle graphs a circle graph is utilized to show the parts of a fixed whole. This kind of graph is occasionally called a pie chart bec
Q.How can we determine Concentrations of Solutions? Ans. The concentration of a solution is the quantitative expression of the amount of solute dissolved in the solution.
i need email tutor who has good background on geopolymer cement to explain it for me such as the geopolymerisation process and fly ash composition by skype or Yahoo or hotmail i ne
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