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ChemistryChemistry
4 December, 08:52

Which of the following statements about trends in solubility is accurate?

The solubility of liquids is significantly affected by changes in pressure.

The solubility of solids increases as temperature is decreased.

The solubility of a gas in a liquid decreases as the pressure of the gas is increased.

The solubility of gases decreases as temperature rises.

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  1. 4 December, 09:01
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    "The solubility of gases decreases as temperature rises" statements about trends in solubility is accurate.

    Option: D

    Explanation:

    A substance's solubility is the quantity of that component that is needed at a defined degree of temperature to produce a saturated solution in any set quantity of solvent. Some compounds like hydrochloric acid, ammonia, etc have solubility that reduces with rising temperature. They are both standard-pressure gases.

    When heating a solvent with a gas absorbed in it, both the solvent and the solute spike in the kinetic energy. When the gaseous solute's kinetic energy rises, the molecules have a higher propensity to overcome the solvent molecules' connection and migrate to the gas phase. Thus, a gas's solubility reduces with rising temperature.
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