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myrzilka [38]
3 years ago
15

What is the name of a solution whose concentration of solute is equal to the maximum concentration that

Chemistry
1 answer:
Travka [436]3 years ago
7 0

Answer:

g

Explanation:

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When silver nitrate is added to the Fe/SCN equilibrium, why is the colorless intense and a precipitate forms?
Reptile [31]

Answer:

Here's what I get  

Explanation:

You have an equilibrium reaction between Fe³⁺/ SCN⁻ and FeSCN²⁺.

\underbrace{\hbox{Fe$^{3+}$}}_{\text{pale yellow-green}} +\underbrace{\hbox{SCN$^{-}$}}_{\text{colourless}} \, \rightleftharpoons \, \underbrace{\hbox{Fe(SCN)$^{2+}$}}_{\text{deep blood red}} \\

When you add AgNO₃, the Ag⁺ reacts with the SCN⁻. It forms a colourless precipitate of Ag(SCN).

Ag⁺(aq) + SCN⁻(aq) ⟶ AcSCN(s)

According to Le Châtelier's Principle, when we apply a stress to a system at equilibrium, the system will respond in a way that tends to relieve the stress.

If you add Ag⁺ to the equilibrium solution, it removes the SCN⁻ [as an Ag(SCN) precipitate].

The system responds by trying to replace the missing SCN⁻:

The Fe(SCN)²⁺ dissociates to form SCN⁻, so the position of equilibrium shifts to the left,

You now have more Fe³⁺ and SCN⁻ and less of the highly coloured Fe(SCN)²⁺ at the new equilibrium.

The deep red colour becomes less intense.

 

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3 years ago
A microscope containing two or more lenses is an
kicyunya [14]
<span> A compound <span>lens microscope. </span></span>
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3 years ago
The ____ of the sun is the interior or center part of this star
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Solar core I think... i hope it helps
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3 years ago
Which of the following makes a solute (like salt) dissolve faster in a solvent (like water)?
dmitriy555 [2]
<h3>✽ - - - - - - - - - - - - - - - ~<u>Hello There</u>!~ - - - - - - - - - - - - - - - ✽</h3>

➷ The correct answer would be A. Agitation (i.e. stirring)

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

5 0
3 years ago
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The electron configuration of an element is 1s2 2s2. How many valence electrons does the element have?
faust18 [17]

Answer:

Two valence electrons

Explanation:

7 0
3 years ago
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