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Taya2010 [7]
3 years ago
9

What type of compound is always an electrolyte?

Chemistry
2 answers:
Gnesinka [82]3 years ago
7 0
The answer is going to be NaCl<span>, when dissolved in a polar solvent, dissociates (splits apart) completely to form </span>sodium ions<span> and </span>chloride ions<span>.

ACIDS<BASES<AND SALTS ARE ALWAYS ELECTROLYTE 

</span>
nikklg [1K]3 years ago
5 0
I got Ionic Compounds..
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The swimmer moves her hand down and to the left and her body goes forward
Ganezh [65]

Answer:Newton’s first law

Explanation:

4 0
2 years ago
At 25 °c, what is the hydroxide ion concentration, [oh–], in an aqueous solution with a hydrogen ion concentration of [h ] = 3.0
chubhunter [2.5K]

As,

Water has a pkw=14

so it can be represented as,

[H+] [OH-] = 1*10^-14

If [H+] = 3*10^-5M

[OH-] = (1*10^-14) / ( 3*10^-5)

[OH-] = 3.3*10^-9 M

5 0
3 years ago
The chemical equation, 2 Cr + 3 Fe(NO3)2 - 3 Fe + 2 Cr(NO3)3, is an
lana66690 [7]

Answer:

Single replacement reaction (aka single displacement reaction)

Explanation:

In a single replacement reaction, one element is substituted for another in a compound to create a new compound and a new element in the products. The general form is:

A + BC --> B + AC

In the case of this question, Cr and Fe "trade places."

6 0
2 years ago
One method for preparing pure iron from Fe2O3 is by reaction with carbon monoxide.Fe2O3(s)+CO(g)→Fe(s)+CO2(g) How many moles of
larisa [96]

Answer:

The 2292 moles of CO are needed to react completely with 122 Kg of Fe₂O₃.

Explanation:

Given data:

Mass of Fe₂O₃ = 122 Kg ( 122×1000 =  122000 g)

Moles of CO = ?

Solution:

Chemical equation:

Fe₂O₃ + 3CO  → 2Fe + 3CO₂

Number of moles of  Fe₂O₃:

Number of moles = mass/ molar mass

Number of moles = 122000 g /159.69 g/mol

Number of moles = 764 mol

Now we will compare the moles of Fe₂O₃ with CO.

                               Fe₂O₃            :            CO  

                                  1                  :             3

                               764                :             3×764  =2292 mol

The 2292 moles of CO are needed to react completely with 122 Kg of Fe₂O₃.

6 0
3 years ago
A reaction that absorbs energy
coldgirl [10]

Answer:

Endothermic Reaction

Explanation:

5 0
3 years ago
Read 2 more answers
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