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Amiraneli [1.4K]
3 years ago
11

What is the process whereby salt is removed from salt water​

Physics
1 answer:
Nady [450]3 years ago
6 0

Answer:The process of purifying sea water into fresh water is called Desalination, which essentially means removing the salt from water.

There are two main industrial size process for desalination, one is thermal desalination which is distillation using heat and the other is with Reverse Osmosis or RO using water pressure through membranes.

In some places they’re doing inverse osmosis, which needs lots and lots of energy, maybe being in a sunny place.

Evaporation is a also a good method for removing salt from sea water but that is used only in low consumption of water.Israel is currently using the desalination process successfully and there is a plant that I read about near San Diego, CA.

Here some methods are help to removing salt from sea water

Turning Salt water into Drinking water using Solar power

The MIT team's this new desalination technology "electrodialysis" is comparatively less expensive.

Graphene Sieve turns Seawater into Drinking water

A new research shows graphene can filter common salts from water to make it safe to drink.The new findings could lead to affordable desalination technology.

Graphene-oxide membranes have attracted considerable attention as promising candidates for new filtration technologies. Now the much sought-after development of making membranes capable of sieving common salts has been achieved.

New research demonstrates the real-world potential of providing clean drinking water for millions of people who struggle to access adequate clean water sources.

Explanation: Thanks and good luck.

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saveliy_v [14]

After rolling off the edge of the cliff and falling ' M ' meters down,
the speed of the boulder is

       Square root of ( 19.6 M ) .

If M=111 meters, then the speed is <em>46.64 meters per second</em>.

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3 years ago
The boiling point of water is 91.30 °C on the
Taya2010 [7]

Answer:

196.34 °F

Explanation:

To convert from degrees celsius to degrees fahrenheit, use this equation:

(°C * 9/5) + 32 = °F

So, using this equation:

(91.30 * 9/5) + 32 = °F

196.34 + 32 = °F

°F = 196.34

Hope this helps!

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3 years ago
What is the repulsive force between two pith balls that are 8.00 cm apart and have equal charges of −25.0 nc? g?
Daniel [21]

To calculate the force between two negative charges, we use the formula which is given by the Coulomb`s Law as

F=\frac{kq_{1}q_{2}  }{r^{2} }

Here, q_{1} andq_{2} are the charges on the pith balls, r is the separation between the charges and k is constant and its value is  8.99\times 10^9 N m^2/C^2.

Given  q_{1} =q_{2} =-25 nC=-25\times 10^{-9}C and  r=8 cm=8\times10^{-2} m.

Substituting these values in above formula we get,

F= 8.99\times 10^9 N m^2/C^2\frac{(-25\times 10^{-9}C)(-25\times 10^{-9}C)}{(8\times10^{-2} m)^2} \\\\\ F= 877929.7\times 10^{-9}  N\\\\F=8.8\times10^{-4}N

Thus, the repulsive force between two pith balls is 8.8\times10^{-4}N.

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Which statements accurately describe the Doppler effect?
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