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vovangra [49]
3 years ago
10

Imagine a drop of water in oil. If you add surfactant, explain how the surfactant molecules organize themselves around the water

drop?
Chemistry
1 answer:
Oduvanchick [21]3 years ago
4 0
If you add a surfactant in water-oil mixture, surfactant molecules would form micelles wherein the hydrophobic end of the surfactant faces inside the micelle while the hydrophilic end faces the water molecules. Inside these micelles oil particles are attached. 
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A green laser pointer emits light with a wavelength of 542 nm. What is the frequency of this light?
ehidna [41]
As we know that wavelength and frequency is inversely proportional to each other. Greater the wavelength smaller the frequency and vice versa.
 
Solution:


The relation between wavelength and frequency is as follow,

υ = c / λ

where
            υ = frequency = ?
            c = velocity of light = 3.0 × 10⁸ ms⁻¹
            λ = wavenumber = 542 nm = 542 × 10⁻⁹ m
Putting the given values,
    
            υ = 3.0 × 10⁸ ms⁻¹ / 542 × 10⁻⁹ m
Result:
            υ = 5.53 × 10¹⁴ s⁻¹
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6 0
3 years ago
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shtirl [24]
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Answer:

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