- Mass Transfer - Section 1
- Mass Transfer - Section 2
- Mass Transfer - Section 3
- Mass Transfer - Section 4
- Mass Transfer - Section 5
- Mass Transfer - Section 6
- Mass Transfer - Section 7
- Mass Transfer - Section 8
- Mass Transfer - Section 9
- Mass Transfer - Section 10
- Mass Transfer - Section 11
- Mass Transfer - Section 12
- Mass Transfer - Section 13
- Mass Transfer - Section 14


Mass Transfer - Engineering
Q1: With increase in temperature, the solubility of gases in liquids, at fixed pressureA increases
B decreases
C remains same
D either (a) or (b), depends on the system
ANS:B - decreases With an increase in temperature, the solubility of gases in liquids typically decreases. This phenomenon can be explained by Le Chatelier's principle, which states that when a system at equilibrium is subjected to a change in temperature, pressure, or concentration, the equilibrium will shift to counteract the change. In the case of gases dissolved in liquids, increasing the temperature provides more energy to the system, which disrupts the intermolecular forces holding the gas molecules in solution. As a result, gas molecules are more likely to escape from the liquid phase into the gas phase, leading to a decrease in solubility. Therefore, in most cases, the solubility of gases in liquids decreases as temperature increases, making the correct option: decreases. The decrease in solubility of gases in liquids with increasing temperature can be explained by considering the effect of temperature on the intermolecular forces between gas molecules and solvent molecules.
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