Chapter 18 notes (1)

What is a solution in the context of chemistry?

• A heterogeneous mixture of solutes and solvents

• A homogeneous mixture of one or more solutes dissolved in a solvent

• A mixture of gases only

• A solid mixture of metals

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Analyzing

Which of the following is an example of a gaseous solution?

• Brass

• Soda

• Natural gas

• Coffee

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Applying

Explain the process of solvation and its significance in forming solutions.

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Evaluating

What distinguishes a supersaturated solution from a saturated solution?

• A supersaturated solution contains less solute than a saturated solution

• A supersaturated solution contains more solute than a saturated solution

• A supersaturated solution is more stable than a saturated solution

• A supersaturated solution is always gaseous

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Analyzing

Describe how ionic compounds dissolve in water and the role of dissociation in this process.

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Applying

What are the characteristics of a concentrated solution compared to a dilute solution?

• A concentrated solution has a lighter color

• A concentrated solution has a relatively large amount of dissolved solute

• A concentrated solution has no dissolved solute

• A concentrated solution is always a solid

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Analyzing

Discuss the role of electrolytes in the human body and their importance in neural activity.

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Evaluating