Podcast
Questions and Answers
What is the equilibrium constant for water, Kw, at 25°C?
What is the equilibrium constant for water, Kw, at 25°C?
- 1 x 10^-12
- 1 x 10^-10
- 1 x 10^-16
- 1 x 10^-14 (correct)
How does the equilibrium of water shift when the temperature increases?
How does the equilibrium of water shift when the temperature increases?
- Towards the products (correct)
- Equilibrium shifts randomly
- Towards the reactants
- No shift in equilibrium
Which type of equilibrium mixture do weak acids and bases form in solution?
Which type of equilibrium mixture do weak acids and bases form in solution?
- Kinetic equilibrium
- Static equilibrium
- Dynamic equilibrium (correct)
- Thermodynamic equilibrium
How can the pH of weak acids and bases be determined using Ka?
How can the pH of weak acids and bases be determined using Ka?
In which scenario would you use [HA] and [A-] along with Ka to find [H+]?
In which scenario would you use [HA] and [A-] along with Ka to find [H+]?
When A- is in excess, what method should be used to find pH?
When A- is in excess, what method should be used to find pH?
What defines a buffer solution?
What defines a buffer solution?
In a buffer solution containing Ethanoic acid and Sodium Ethanoate, what happens when H+ ions are added?
In a buffer solution containing Ethanoic acid and Sodium Ethanoate, what happens when H+ ions are added?
What is the purpose of selecting the correct indicator in a titration process?
What is the purpose of selecting the correct indicator in a titration process?
What do acidic buffer solutions contain?
What do acidic buffer solutions contain?
What kind of change in pH can be expected in a buffer solution when a small volume of acid is added?
What kind of change in pH can be expected in a buffer solution when a small volume of acid is added?
How are basic buffer solutions defined?
How are basic buffer solutions defined?
What does a pH titration curve illustrate?
What does a pH titration curve illustrate?
In a strong acid + weak base reaction, where does the neutralization point typically occur?
In a strong acid + weak base reaction, where does the neutralization point typically occur?
Which indicator is commonly used for reactions with a more basic neutralization point?
Which indicator is commonly used for reactions with a more basic neutralization point?
What happens to methyl orange at the neutralization point?
What happens to methyl orange at the neutralization point?
In which type of acid-base reaction does the neutralization point typically occur around pH 7?
In which type of acid-base reaction does the neutralization point typically occur around pH 7?
What is the purpose of adding alkali to an acid in a titration experiment?
What is the purpose of adding alkali to an acid in a titration experiment?
