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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.
Glucose and Sucrose are soluble in water because they are polar compounds.SO they are soluble in polar compounds like water. Cyclohexane and Benzene are non polar compounds.They ar
What is the packet of energy called: (1) Electron (2) Photon (3) Positron (4)Proton Ans: Photon
Basic radical chemical analysis?
the set of numerical coefficients in the equation K2CrO4+HCl=K2Cr2O7+KCl is
WHAT IS THE IUPAC NAME OF K4[FeO4]
anamolous behavior of berylium
Heat Conductivity When considering the design of houses, the heat conductivity by walls, roofs, and the floor plays an significant role. The heat conductivities (λ) of some bui
Which of the following represents the electronic configuration of an element with atomic number 17: (1) 1s 2, 2s 2 , 2p 6 , 3s 1, 3p 6 (2) 1s 2 , 2s 2 , 2p
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Upward and downward pressure are the same at any given depth Get a glass cylinder at least 15 cm long and 4 cm in diameter. Such a length of tube can be made from a straight-si
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