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lara31 [8.8K]
3 years ago
12

Do the solubility of all ionic solids increase as temperature increases?

Chemistry
1 answer:
kotykmax [81]3 years ago
7 0
<span>The solubilties of most ionic solids increase as the temperature increases.

Dissolving of a solid in water is, in most cases, an endothermic reaction. In dissolving, as in melting, a solid becomes a liquid. It takes more energy to be a liquid than to be a solid at the same temperature. When the solution becomes saturated at any temperature, a dynamic equilibrium is established between the dissolved and undissolved solid. When heat is added that results in a higher temperature, the extra heat favors the endothermic reaction, and more solid dissolves rather than crystallizes until new equilibrium system is established again. Hence, at a higher temperature, more solid is dissolved in water. This increases the solid's solubility.

Hope this helps mate =)
</span>
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A galvanic cell consists of one half-cell that contains Ag(s) and Ag+(aq), and one half-cell that contains Cu(s) and Cu2+(aq). W
Agata [3.3K]

Answer : The 'Ag' is produced at the cathode electrode and 'Cu' is produced at anode electrode under standard conditions.

Explanation :

Galvanic cell : It is defined as a device which is used for the conversion of the chemical energy produces in a redox reaction into the electrical energy. It is also known as the voltaic cell or electrochemical cell.

In the galvanic cell, the oxidation occurs at an anode which is a negative electrode and the reduction occurs at the cathode which is a positive electrode.

We are taking the value of standard reduction potential form the standard table.

E^0_{[Ag^{+}/Ag]}=+0.80V

E^0_{[Cu^{2+}/Cu]}=+0.34V

In this cell, the component that has lower standard reduction potential gets oxidized and that is added to the anode electrode. The second forms the cathode electrode.

The balanced two-half reactions will be,

Oxidation half reaction (Anode) : Cu(s)\rightarrow Cu^{2+}(aq)+2e^-

Reduction half reaction (Cathode) : Ag^{+}(aq)+e^-\rightarrow Ag(s)

Thus the overall reaction will be,

Cu(s)+2Ag^{+}(aq)\rightarrow Cu^{2+}(aq)+2Ag(s)

From this we conclude that, 'Ag' is produced at the cathode electrode and 'Cu' is produced at anode electrode under standard conditions.

Hence, the 'Ag' is produced at the cathode electrode and 'Cu' is produced at anode electrode under standard conditions.

7 0
3 years ago
What is an electrolyte in an electrochemical cell?
Svet_ta [14]

Answer:

An electrolytic cell uses electrical energy to drive a non-spontaneous redox reaction. An electrolytic cell is a kind of electrochemical cell. ... The electrolyte is usually a solution of water or other solvents in which ions are dissolved. Molten salts such as sodium chloride are also electrolytes.

Explanation:

6 0
3 years ago
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iris [78.8K]

Answer: P= 1.64 atm

Explanation: solution attached.

Use Ideal gas law

PV= nRT

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3 years ago
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Answer:

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Explanation:

The condition of acidosis can also cause Hyperkalemia because the higher H concentration diffuses to the ICF, pushing K towards the ECF.

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2 years ago
1. In the models, what particles do the colored and plain sesame seeds represent? What particles do the poppy seeds represent?
san4es73 [151]
Thank you for posting your question here. Below are the answers to the above questions:

1. The colored sesame seeds represent neutrons, and plain sesame seeds represent protons.
<span>2. The two poppy seeds glued to the fiberfill represent electrons. </span>
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3 years ago
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