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olga nikolaevna [1]
3 years ago
14

Ways of preventing rusting​

Chemistry
2 answers:
Flura [38]3 years ago
5 0

Answer:

Here is your answer......

lesya [120]3 years ago
4 0
Use an Alloy. Many outdoor structures, like this bridge, are made from COR-TEN steel to reduce the effects of rust. ...
Apply Oil. ...
Apply a Dry Coating. ...
Paint the Metal. ...
Store Properly. ...
Galvanize. ...
Blueing. ...
Powder Coating.
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How many seconds does it take to deposit 0.94 g of Ni on a decorative drawer handle when 14.9 A is passed through a Ni(NO3)2 sol
Goshia [24]

Answer:

Time take to deposit Ni is 259.02 sec.

Explanation:

Given:

Current I = 14.9 A

Faraday constant = 96485 \frac{C}{mole}

Molar mass of Ni = 58.69 \frac{g}{mole}

Mass of Ni = 0.94 g

First find the no. moles in Ni solution,

Moles of Ni = \frac{0.94}{58.69}

                   = 0.02 mol

From the below reaction,

  Ni^{2+}  + 2e ⇆ Ni_{(s)}

Above reaction shows "1 mol of Ni^{2+} requires 2 mol of electron to form 1 mol of Ni_{(s)} "

So for finding charge flow in this reaction we write,

    = 0.02 \times \frac{2  }{1 }  \times 96485 \frac{C}{mol}

Charge flow = 3859.4 C

For finding time of reaction,

  I = \frac{q}{t}

Where q = charge flow

   t = \frac{q}{I}

   t = \frac{3859.4}{14.9}

   t = 259.02 sec

Therefore, time take to deposit Ni is 259.02 sec.

3 0
3 years ago
In which list are the elements arranged in order of increasing atomic mass?
garri49 [273]
It would be A) Cl, K, Ar
Because Cl=35,K=39,Ar=40
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3 years ago
C2H5OH(g) + 302(g) → 2CO2(g) + 3H2O(g) + heat<br> reaction type
Tcecarenko [31]

Answer:

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Explanation:

The reaction type is a combustion reaction;

        Ethanol + oxygen gas  →  carbon dioxide + water

Now;

  Ethanol is the fuel and oxygen gas rapidly combines with it to form carbon dioxide and water.

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3 years ago
True or False. Will give brainliest if correct!
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i think its is true

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8 0
2 years ago
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Moseley made revisions to the periodic table that resolved some of the problems with Mendeleev’s version. Which of these was a r
olga55 [171]
The result of Moseley's revisions were that the elements were arranged in atomic number order rather than atomic mass order.
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