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statuscvo [17]
3 years ago
14

An increase in the temperature of a solution usually: a)increases the boiling point. b)increases the solubility of a gas in the

solution. c)increases the solubility of a solid solute in the solution. d)decreases the solubility of a solid solute in the solution. e)decreases the solubility of a liquid solute in the solution.
Chemistry
1 answer:
irina [24]3 years ago
7 0

Answer: Option (c) is the correct answer.

Explanation:

Relation between kinetic energy and temperature is as follows.

                      K.E = \frac{3}{2}kT

Since, kinetic energy is directly proportional to temperature. So, when there will be increase in temperature then this will also lead to increase in kinetic energy of the molecules of a substance.

So, when a solid substance is dissolved in a solution whose temperature is increased then molecules of the solid will also gain kinetic energy. As a result, more number of collisions will occur due to which bond between the molecules of solid will break.

Therefore, there will be increase in solubility of the solid.

Thus, we can conclude that an increase in the temperature of a solution usually increases the solubility of a solid solute in the solution.

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A precipitate forms when mixing solutions of sodium fluoride (NaF) and lead II nitrate (Pb(NO3)2). Complete and balance the net
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Answer:

See explanation

Explanation:

The molecular equation shows all the compounds involved in the reaction.

The molecular equation is as follows;

2NaF(aq) + Pb(NO3)2(aq) -------> PbF2(s) + 2NaNO3(aq)

The complete ionic equation shows all the ions involved in the reaction

The complete ionic equation;

2Na^+(aq) + 2F^-(aq) + Pb^2+(aq) + 2NO3^-(aq) -------->PbF(s) + 2Na^+(aq) +2NO3^-(aq)

The net Ionic equation shows the ions that actually participated in the reaction

The net ionic equation is;

2F^-(aq) + Pb^2+(aq)--------> PbF(s)

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