Podcast
Questions and Answers
What sustains all aquatic life?
What sustains all aquatic life?
- Dissolved hydrogen chloride gas
- Pressure of gases
- High solubility of gases
- Dissolved oxygen (correct)
How does the solubility of gases in liquids change with pressure?
How does the solubility of gases in liquids change with pressure?
- Becomes negligible
- Decreases
- Remains constant
- Increases (correct)
What does Henry's law establish a quantitative relation between?
What does Henry's law establish a quantitative relation between?
- Solubility of oxygen and hydrogen chloride gas
- Solubility of gases in a liquid and the gas pressure above it (correct)
- Rate of gaseous particles entering and leaving the solution
- Temperature and pressure
Why does increasing pressure over the solution phase lead to an increase in gas solubility?
Why does increasing pressure over the solution phase lead to an increase in gas solubility?
In the context of gases dissolving in a solvent, what does dynamic equilibrium imply?
In the context of gases dissolving in a solvent, what does dynamic equilibrium imply?
How is the solubility of a gas affected when the gas is compressed to a smaller volume?
How is the solubility of a gas affected when the gas is compressed to a smaller volume?
What is the van't Hoff factor (i) of the acetic acid solution?
What is the van't Hoff factor (i) of the acetic acid solution?
What is the dissociation constant ($K_a$) of the acetic acid solution?
What is the dissociation constant ($K_a$) of the acetic acid solution?
What is the molality of the acetic acid solution?
What is the molality of the acetic acid solution?
What is the observed freezing point depression of the acetic acid solution?
What is the observed freezing point depression of the acetic acid solution?
What is the calculated freezing point depression of the acetic acid solution?
What is the calculated freezing point depression of the acetic acid solution?
What is the ratio of the observed freezing point depression to the calculated freezing point depression of the acetic acid solution?
What is the ratio of the observed freezing point depression to the calculated freezing point depression of the acetic acid solution?
Why do KH values for N2 and O2 increase with an increase in temperature?
Why do KH values for N2 and O2 increase with an increase in temperature?
Why are aquatic species more comfortable in cold waters according to the text?
Why are aquatic species more comfortable in cold waters according to the text?
What happens to the solubility of gases as temperature decreases?
What happens to the solubility of gases as temperature decreases?
What is the relationship between gas solubility and mole fraction in an aqueous solution?
What is the relationship between gas solubility and mole fraction in an aqueous solution?
If N2 gas is bubbled through water at 303 K, what is expected to happen to its solubility compared to bubbling at 293 K?
If N2 gas is bubbled through water at 303 K, what is expected to happen to its solubility compared to bubbling at 293 K?
How does the decrease in gas solubility with an increase in temperature affect aquatic species?
How does the decrease in gas solubility with an increase in temperature affect aquatic species?
What is the key reason behind positive deviations from Raoult's law?
What is the key reason behind positive deviations from Raoult's law?
How do the vapor pressures of the two components in a solution that shows positive deviation from Raoult's law compare to their pure component vapor pressures?
How do the vapor pressures of the two components in a solution that shows positive deviation from Raoult's law compare to their pure component vapor pressures?
Which of the following is an example of a solution that exhibits positive deviation from Raoult's law?
Which of the following is an example of a solution that exhibits positive deviation from Raoult's law?
In a solution that shows positive deviation from Raoult's law, what happens to the intermolecular attractive forces between the solute-solvent molecules compared to the solute-solute and solvent-solvent molecules?
In a solution that shows positive deviation from Raoult's law, what happens to the intermolecular attractive forces between the solute-solvent molecules compared to the solute-solute and solvent-solvent molecules?
How does the addition of acetone to ethanol affect the hydrogen bonding between the ethanol molecules?
How does the addition of acetone to ethanol affect the hydrogen bonding between the ethanol molecules?
Why does a solution formed by adding carbon disulfide to acetone also exhibit positive deviation from Raoult's law?
Why does a solution formed by adding carbon disulfide to acetone also exhibit positive deviation from Raoult's law?
What is the freezing point depression of the solution?
What is the freezing point depression of the solution?
What is the molality of ethylene glycol in the solution?
What is the molality of ethylene glycol in the solution?
What is the freezing point of the aqueous solution?
What is the freezing point of the aqueous solution?
What does osmosis cause in the thistle funnel?
What does osmosis cause in the thistle funnel?
In what conditions do raw mangoes shrivel?
In what conditions do raw mangoes shrivel?
What happens to wilted flowers when placed in fresh water?
What happens to wilted flowers when placed in fresh water?
