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What Is Dissolution Process?

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Questions and Answers

What is a solvent in a solution?

A substance that follows the physical state of the solute

A substance that dissolves the solute (correct)

A substance that occurs in a smaller quantity

The substance being dissolved

What determines the rate of dissolution of a solute in a solvent?

The color of the solution formed

The physical state of the solute

The frequency of collision between solute and solvent molecules (correct)

The nature of the solvent only

In a solution, what happens to the dissolved solute in relation to the solvent's physical state?

It remains separate from the solvent

It settles at the bottom of the solution

It follows the physical state of the solvent (correct)

It forms a layer on top of the solution

When an ionic compound dissolves in a solvent, what does it disintegrate into?

Negative and positive ions Signup and view all the answers

What is a solute in a solution primarily defined as?

The substance being dissolved Signup and view all the answers

How can one speed up dissolution according to the text?

Stirring the mixture Signup and view all the answers

What is attracted to the sodium chloride crystals in a salt-water mixture?

Sodium ions Signup and view all the answers

What does the term 'like dissolves like' mean?

Polar compounds dissolve polar compounds Signup and view all the answers

How do smaller solute particles affect dissolution rate?

Increase dissolution rate Signup and view all the answers

What happens when a solid solute is dissolved into a liquid solvent?

The compound breaks down into its elementary components as ions or molecules Signup and view all the answers

Why does granulated sugar dissolve faster than a sugar cube?

Granulated sugar has a larger surface area. Signup and view all the answers

How does an increase in temperature affect the dissolution rate of solutes?

Increased temperature weakens intermolecular forces between solute molecules. Signup and view all the answers

Why is stirring or agitating a solution important for faster dissolution?

To ensure continuous contact between solvent and solute. Signup and view all the answers

How does gas solubility typically behave with increasing pressure?

Solubility increases. Signup and view all the answers

Why do scuba divers need to resurface slowly after deep dives?

To allow time for dissolved gases to diffuse slowly out of their body tissues. Signup and view all the answers