GOB Chemistry

Learn the toughest concepts covered in your GOB - General, Organic, and Biological Chemistry class with step-by-step video tutorials and practice problems.

Solutions

Solubility: Temperature Effect

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When an ionic solid dissolves, ions leave the solid and become dispersed in the solvent. This solution can be classified as saturated, unsaturated or supersaturated.

Saturation of Solutions

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concept

Solubility: Temperature Effect Concept 1

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In a hypothetical solution 100 mL of water can dissolve up to 100 g of solute. In a SATURATED solution the water has reached its maximum amount of dissolve solute.

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In an UNSATURATED solution additional amounts of solute can be further dissolved in the solvent.

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In a SUPERSATURATED solution the solvent has dissolved beyond its maximum solubility.

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Solubility: Temperature Effect Example 1

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Problem

In general, as the temperature increases, the solubility of gas in a given liquid ________________, and the solubility of most solids in a given liquid ________________. 

a. Increases, increases

b. increases, decreases

c. decreases, increases

d. decreases, decreases