What is the effect of pressure on the solubility of a gas in a liquid?

Liquids and solids exhibit practically no change of solubility with changes in pressure. Gases as might be expected, increase in solubility with an increase in pressure. Henry's Law states that: The solubility of a gas in a liquid is directly proportional to the pressure of that gas above the surface of the solution.

Accordingly, what gas is more soluble in water?

Solubilities of Gases in Water at 293 K

GasSolubility*
Hydrogen sulfide0.385
Methane0.0023
Nitrogen0.0019
Oxygen0.0043

What are the factors that affect the solubility of a gas in a liquid?

Solubility is the maximum amount of a substance that will dissolve in a given amount of solvent at a specific temperature. There are two direct factors that affect solubility: temperature and pressure. Temperature affects the solubility of both solids and gases, but pressure only affects the solubility of gases.

How does temperature affect the solubility of a gas in a liquid?

Increased temperature causes an increase in kinetic energy. The higher kinetic energy causes more motion in the gas molecules which break intermolecular bonds and escape from solution. Check out the graph below: As the temperature increases, the solubility of a gas decreases as shown by the downward trend in the graph.

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