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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.
solution and collegative properties explanation
Q. How to evaluate mass number? An isotope of an element is recognized by its mass number which is the sum of the number of protons and neutrons in the atom's nucleus. Mas
#question;atom
What is the rate of reaction at the optimum temperature? (the starting concentration of the protein was 2 mg/ml, the Extinction coefficient (e) of the chromogenic product is A515 =
Q. What is standard electrode potentials of lanthanides? The standard electrode potentials of lanthanides for the half reaction Ln 3+ (aq) + 3e ----------------> Ln (s)
The ratio between the neutrons in C and Si with respect to atomic masses 12 and 28 is: (1) 2 : 3 (2) 3 : 2 (3) 3 : 7 (4) 7 : 3 Ans: 3 : 7
Liquid-liquid extraction is used to separate acetone and MIBK. A mixture of acetone and MIBK is fed to a mixing tank at a rate of 100 kg/min. Pure water is also fed to the tank and
How we get 49 gm = 1 eqv
NITROGEN Nitrogen is the great strength of the triple bond makes N2 thermodynamically and kinetically stable but moderately electronegative element. The atom can form three sing
what is the interstitial relationship between carbon and boron?
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