Should I Get Laser Hair Removal Or Electrolysis??! Please Help!?

Hi, I would recommend electrolysis as the area is small, and it will be the permanent solution. Laser can do the work too, but only if the hair is darker than the skin, light tone hairs can not absorb the light

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Best way to remove body hair? Laser? Electrolysis? no!no?

i think laser hair removal is the best

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What would be the energy and fresh water recovered if a floating wind turbine powers electrolysis at a depth of 700 meters in the ocean, assuming both gases were passed through a turbine at sea level and the hydrogen subsequently feeds a fuel cell?

So you want to use a wind turbine to generate electricity, then send it 700 meters under the ocean to power an electrolysis factory, to send hydrogen to the surface to feed a fuel cell to make electricity?Have you not considered just using the electricity generated by the turbine? Saves a ton of efficiency loss

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What is the process of isolating copper(element) from its natural from called?

Electrolysis? Is that what you are referring to?

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Can somebody explain electrolysis to me?

NaCl or other such molecules which are ionic in nature are made of a lattice of ions in solid state. When they are added to water or are melted, the ionic bonds becomes weaker and the ions become free to move. Now Na has a positive charge on it whereas Cl has a negative charge on it. When electricity ( DC current) is applied on to it through two electrodes (one positive & other negative), the positive ions of Na migrates towards the -ive electrode, gains an electron from it, becomes neutral & settles on that electrode. Similarly, the negative ions of Cl migrates towards the ive electrodes, looses an electron to it, becomes neutral, combines with other such Cl atom to form chlorine molecule & escapes as gas. The electron lost by Cl- travels through the external circuit and reaches the cell's ive terminal, and the -ive terminal gives a electron to the Na ion through -ive electrode, and thus the external circuit is completed. While reading this answer please refer the diagram of elecrolysis (of NaCl) given in your book for better understanding.

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A question about the electrolysis of a solution of sodium chloride?

Both solutions give hydrogen at the cathode and leave sodium ions behind. At the anode Conc soln forms Chlorine and leaves OH- ions behind Dil soln, OH- ions discharge as water and oxygen. Chloride ions are left behind and there will also be OH- ions left as they are constantly replaced from the water in the soln.

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During electrolysis why na get changed to na when na is more stable?

Your question needs to be put under a more detailed form.However, in electrolysis, a non-spontaneous process is forced to take place, under the input of (electric) energy into the system. As a result, the system, in its final state, has a higher energy content than the initial. So, from a thermodynamic standpoint, you can say that the final state is less stable than the initial.Anyway, coming to details, during electrolysis, Na^ is turned into Na only if the process is carried out on fused salts, or if you use a mercury cathode; in the latter case, elementary sodium is obtained under the form of an amalgam, that is a solution of metallic sodium in mercury. If you perform the electrolysis on an aqueous solution of some sodium salt (or hydroxide), at the cathode usually you get molecular hydrogen H2, not metallic sodium Na.

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PEM electrolysis system operation

The ability of the PEM electrolyzer to operate, not only under highly dynamic conditions, but also in part-load and overload conditions is one of the reasons for the recently renewed interest in this technology. The demands of an electrical grid are relatively stable and predictable, however when coupling these to energy sources such as wind and solar, the demand of the grid rarely matches the generation of the renewable energy. This means energy produced from renewable sources such as wind and solar must have a buffer, or a means of storing off-peak energy. PEM EfficiencyWhen determining the electrical efficiency of PEM electrolysis, the higher heat value (HHV) can be used. This is because the catalyst layer interacts with water as steam. As the process operates at 80 °C for PEM electrolysers the waste heat can be redirected through the system to create the steam, resulting in a higher overall electrical efficiency. The lower heat value (LHV) must be used for alkaline electrolysers as the process within these electrolysers requires water in liquid form and uses alkalinity to facilitate the breaking of the bond holding the hydrogen and oxygen atoms together. The lower heat value must also be used for fuel cells, as steam is the output rather than input. PEM electrolysis has an electrical efficiency of about 80% in working application, in terms of hydrogen produced per unit of electricity used to drive the reaction. The efficiency of PEM electrolysis is expected to reach 82-86% before 2030, while also maintaining durability as progress in this area continues at a pace.

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