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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.
An atom or group of atoms, which verify the characteristic properties of the Substance it, is known as functional group.
Elements of symmetry
Classification of polymers - Thermoplastics These are the polymers that can be simply softened repeatedly while heated and hardened when cooled along with little change in the
The atomic orbitals are progressively filled in order of increasing energy. This principle is called as: (1) Hund's rule (2)Aufbau principle (3) Exclusion principle (4
Q. At 298.15K, the partial molar volume of CO 2 (aq) is 33cm 3 mol -1 . Estimate the percent change in the value of the Henry's law constant kH,B for aqueous CO 2 at 298.15K when
Favourable conditions for electrovalency are: (1) Low charge on ions, large cation, small anion (2) High charge on ions, small cation, large anion (3)High charge on ions,
In the anaerobic fermentation of grain the yeast Saccharomyces cerevisiae digests glucose from plants to form the products ethanol and propenoic acid by the following overall react
How do we solve numerical problems in double titration
Denaturation The structure of the natural proteins is accountable for their biological activity. These structures are arranged by numerous attractive forces among different par
Give Examples of steric effects These are both examples of steric effects. Placing three highly branched groups around a central boron results in van der Waals repulsions. Thes
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