8. 60 Does the solubility of the solute increase or decrease in each of the following situations? a. Ice is placed in a glass of cola (solute is $CO_2$ gas). b. Honey is dissolved in hot water instead of cold water. c. The pressure of $O_2$ over a solution is increased (solute is $O_2$ gas).
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When ice is placed in a glass of cola, the temperature of the cola decreases. The solubility of gases in liquids generally decreases as the temperature decreases. Therefore, the solubility of $CO_2$ gas decreases. Show more…
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Does the solubility of the solute increase or decrease in each of the following situations? 1. Ice is placed in a glass of cola (solute is CO2 gas). 2. Honey is dissolved in hot water instead of cold water. 3. The pressure of O2 over a solution is increased (solute is O2 gas).
Madhur L.
For each of the solutions, determine whether the described change will increase, decrease, or not change the solubility of the solute. 1. The solubility of sugar syrup when hot syrup is placed in the refrigerator will decrease. 2. The solubility of CO2 in sparkling water when room temperature sparkling water is placed in an ice cooler will decrease. 3. The solubility of KNO3 when KNO3 solution is heated to 85°C will increase. 4. The solubility of O2 in a shallow lake when the water is warm on a hot summer day will decrease.
Susan H.
Compare this solubility in hot water to the solubility you got for sugar in water at room temperature. Did the solubility of sugar in water increase or decrease with increasing temperature? Open a cold can of soda pop from the refrigerator and pour it into two glasses. The bubbles you see are CO2 gas molecules dissolved in water. Leave one soda pop sitting on the counter at room temperature and place one back into your refrigerator. Come back in an hour and check them. Compare the bubbles in the warm soda to those of the cold soda? Does this mean that the solubility of CO2 gas increased or decreased with increasing temperature? Did the solubility of the solid sugar and the gaseous carbon dioxide respond to temperature change in the same way? Explain.
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