Generally, the solubility of gases in liquids increase with a-decreasing temperature & increasing pressure b-increasing temperature & decreasing pressure c-decreasing temperature & decreasing pressure d-increasing temperature & increasing pressure
Think about soda pop. Do they put that under pressure and cool it for a reason?
The pressure of a gas is 35 atm at a temperature of 48 (degrees) C with constant volume. What will the new pressure be if the temperature is increased to 36 (degrees) C?
a gas is at a pressure of 699 mmGh at 40 degrees celsius. what will the temperature be if the pressure increases to 760 mmHg
The correct answer is "a" - the solubility of gases in liquids generally increases with decreasing temperature and increasing pressure.
To understand why this is the case, let's break it down:
Temperature:
When a liquid is cooled, the particles in the liquid slow down, which allows more gas particles to dissolve in the liquid. This increased solubility occurs because the slower movement of liquid particles reduces the rate at which gas particles escape from the liquid, while still allowing gas particles to dissolve. Therefore, as temperature decreases, solubility of gases in liquids tends to increase.
Pressure:
Increasing the pressure on a gas above a liquid surface increases the concentration of gas particles above the liquid. This pressure increases the likelihood of gas particles coming into contact with the liquid and dissolving. Therefore, as pressure increases, solubility of gases in liquids tends to increase.
Combining temperature and pressure:
When both temperature and pressure are decreased, the solubility of gases in liquids is further enhanced because both factors contribute to reducing the escape of gas particles from the liquid phase. However, when both temperature and pressure are increased, the solubility of gases in liquids generally decreases because higher temperature and pressure increase the energy and movement of gas particles, making them less likely to stay dissolved in the liquid.
So, to summarize, the solubility of gases in liquids generally increases with decreasing temperature and increasing pressure (option "a").