The order of the steps, from first to last, is as follows based on the information in the question:
1. Salt is broken down into cations and anions.
2. Anion hydration.
3. Cation hydration.
4. Cations and anions that have been dissolved start to settle as a solid salt.
5. The rate of dissolution and recrystallization are equal.
Without hydration of the ions, the cation and anion cannot get separated. The three processes of ion dissociation, cation hydration, and anion hydration must all take place at once.
<h3>Why water is an effective solvent?</h3>
Water is a great solvent that can dissolve a wide variety of compounds due to its polarity and capacity to create hydrogen bonds.
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Answer: option <span>C: H2O(l) at 10°C changes to H2O(l) at 20°C
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Explanation:
To solve this questions use the fact the temperature is a measure of the average kinetic energy of the particles of a substance.
For a given substance, the higher the temperature the higher kinetic energy, the lower the temperature the lower the kinetic energy
That is a statement derived from the kinetic theory.
The kinetic energy states that as the temperature of a substance increases, so do the average velocity of its particles and so the average kinetic energy.
Thas is why gases have a higher kinetic energy than liquids and liquids have a higher kinetic energy than solids.
The options A<span>: H2O(s) changes to H2O(l) at 0°C and B: H2O(l) changes to H2O(s) at 0°C describe changes at constant temperature, so in them the average kinetic energy does not change.</span><span>
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</span><span>The option C: H2O(l) at 10°C changes to H2O(l) at 20°C, as said, is the right answer because it is a process in which the temperature is increasing, so the average kinetiic energy is also increasing.</span><span>
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</span><span>The option D: H2O(l) at 20°C changes to H2O(l) at 10°C corresponds to a decrease of the kinetic energy, since the temperature is decreasing.
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The solid that comes out of a solution is called precipitate
Answer:
Hg+2 + 2Cl- -> HgCl2
Explanation:
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