Chemical Engineering - Chemical Engineering Thermodynamics - Discussion
Discussion Forum : Chemical Engineering Thermodynamics - Section 3 (Q.No. 3)
3.
While dissolving a gas into a liquid at a constant temperature, the ratio of the concentration of the gas in the solution phase and in the gaseous phase is
Discussion:
1 comments Page 1 of 1.
Buddy said:
2 years ago
The correct answer is "constant."
When a gas is dissolved in a liquid at a constant temperature, the ratio of the concentration of the gas in the solution phase (Csol) to the concentration of the gas in the gaseous phase (Cgas) is constant and is governed by Henry's law.
Henry's law states that, at a constant temperature, the solubility of a gas in a liquid is directly proportional to the partial pressure of the gas above the liquid.
Mathematically, Henry's law is represented as:
Csol = k * Pgas.
where:
Csol is the concentration of the gas in the solution phase,
Cgas is the concentration of the gas in the gaseous phase,
k is a constant (dependent on the specific gas and solvent), and
Pgas is the partial pressure of the gas above the liquid.
As long as the temperature remains constant, the value of the constant (k) remains unchanged, leading to a constant ratio of the concentration of the gas in the solution phase to the concentration of the gas in the gaseous phase. Thus, the correct answer is "constant."
When a gas is dissolved in a liquid at a constant temperature, the ratio of the concentration of the gas in the solution phase (Csol) to the concentration of the gas in the gaseous phase (Cgas) is constant and is governed by Henry's law.
Henry's law states that, at a constant temperature, the solubility of a gas in a liquid is directly proportional to the partial pressure of the gas above the liquid.
Mathematically, Henry's law is represented as:
Csol = k * Pgas.
where:
Csol is the concentration of the gas in the solution phase,
Cgas is the concentration of the gas in the gaseous phase,
k is a constant (dependent on the specific gas and solvent), and
Pgas is the partial pressure of the gas above the liquid.
As long as the temperature remains constant, the value of the constant (k) remains unchanged, leading to a constant ratio of the concentration of the gas in the solution phase to the concentration of the gas in the gaseous phase. Thus, the correct answer is "constant."
(3)
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