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Solubility Of Chemical Compounds

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Chemistry
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Homework
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Number 1
Iodine, Vegetable oil and Naphthalene. The general rule of thumb is that like dissolve like. Solute
which is polar is dissolved in polar solvent like water and nonpolar solute dissolve in nonpolar solvent
such as carbon tetrachloride.
Number 2
Some water soluble chemicals conducted electricity since they have ions which have freedom
to move about in solution. When the conductivity’s tester of electrodes was placed in the
solution, the negative ions moved to the positive electrode, while the positive ions moved to
the negative electrode. As the ions moved to opposite ends of the electrodes it enabled current
to flow through the solution.
On the other had solution that did not conduct an electric current, is because when chemical
dissolved produced molecules, these molecules are not charged and hence no movement to
the opposite ends of the electrodes and therefore electricity cannot be conducted.
Number 3
The kinetic energy of particles of water increases with increase in temperature. Therefore, the
particles of hot water move faster. This increases the rate of diffusion. Hence, potassium
permanganate diffuses at a higher rate in hot water compared to cold water.

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Number 1 Iodine, Vegetable oil and Naphthalene. The general rule of thumb is that like dissolve like. Solute which is polar is dissolved in polar solvent like water and nonpolar solute dissolve in nonpolar solvent such as carbon tetrachloride. Number 2 Some water soluble chemicals conducted electric ...
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