Why are most organic compounds nonconducting and insoluble in water?
2 answers:
Explanation:
It is known that like dissolves like which means that polar substances are able to dissolve only in polar solvents.
Whereas non-polar substances are able to dissolve only in non-polar solvents.
As all organic compounds are non-polar in nature so, they are only soluble in non-polar solvents.
On the other hand, water is a polar solvent and its dissolves substances like NaCl, etc that are also polar in nature.
Also, for a solution to conduct electricity it is necessary that there must be flow of ions from one place to another. But a non-polar or organic substance do not dissociate into ions when dissolved in water.
Hence, it is unable to conduct electricity.
Thus, we can conclude that most organic compounds are non-conducting and insoluble in water because:
- Most organic compounds don't dissolve in water because they are nonpolar.
- They don't conduct electricity because they are covalent, not ionic.
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The missing question is:
<em>What is the percent efficiency of the laser in converting electrical power to light?</em>
The percent efficiency of the laser that consumes 130.0 Watt of electrical power and produces a stream of 2.67 × 10¹⁹ 1017 nm photons per second, is 1.34%.
A particular laser consumes 130.0 Watt (P) of electrical power. The energy input (Ei) in 1 second (t) is:
The laser produced photons with a wavelength (λ) of 1017 nm. We can calculate the energy (E) of each photon using the Planck-Einstein's relation.
where,
- h: Planck's constant
- c: speed of light
The energy of 1 photon is 6.52 × 10⁻²⁰ J. The energy of 2.67 × 10¹⁹ photons (Energy output = Eo) is:
The percent efficiency of the laser is the ratio of the energy output to the energy input, times 100.
The percent efficiency of the laser that consumes 130.0 Watt of electrical power and produces a stream of 2.67 × 10¹⁹ 1017 nm photons per second, is 1.34%.
You can learn more about lasers here: brainly.com/question/4869798