Podcast
Questions and Answers
What happens to the solubility of a solid that absorbs heat when dissolved as temperature increases?
What happens to the solubility of a solid that absorbs heat when dissolved as temperature increases?
- Remains constant
- Decreases
- Becomes insoluble
- Increases (correct)
In an exothermic solution process, what happens to the solubility of a compound as the temperature rises?
In an exothermic solution process, what happens to the solubility of a compound as the temperature rises?
- Becomes insoluble
- Decreases (correct)
- Increases
- Remains constant
What happens to the solubility of Na2SO4.10H2O as the temperature exceeds 32°C?
What happens to the solubility of Na2SO4.10H2O as the temperature exceeds 32°C?
- Increases
- Becomes insoluble
- Decreases (correct)
- Remains constant
What type of reaction occurs when sodium chloride dissolves in water?
What type of reaction occurs when sodium chloride dissolves in water?
Which compound exists as an anhydrous salt above a certain temperature point?
Which compound exists as an anhydrous salt above a certain temperature point?
If a solid belongs to the class of compounds that absorb heat when they dissolve, what can be said about its solubility?
If a solid belongs to the class of compounds that absorb heat when they dissolve, what can be said about its solubility?
What happens to the solubility of phenobarbital sodium as the pH is lowered below 9.3?
What happens to the solubility of phenobarbital sodium as the pH is lowered below 9.3?
How do weak bases react with dilute acids?
How do weak bases react with dilute acids?
How do weak acids react with dilute alkalis?
How do weak acids react with dilute alkalis?
According to the Henderson-Hasselbach equation, what happens to the pH of a system when the concentration of the molecular acid increases?
According to the Henderson-Hasselbach equation, what happens to the pH of a system when the concentration of the molecular acid increases?
What is the relationship between pH and pKa when the concentrations of salt and acid are equal?
What is the relationship between pH and pKa when the concentrations of salt and acid are equal?
How can maximum therapeutic effectiveness be achieved in drug preparations according to the text?
How can maximum therapeutic effectiveness be achieved in drug preparations according to the text?
