Podcast
Questions and Answers
Which of the following pH values indicates an acidic solution?
Which of the following pH values indicates an acidic solution?
- pH = 7.5
- pH = 6.5
- pH = 7
- pH = 5 (correct)
What is a correct statement about weak acids?
What is a correct statement about weak acids?
- Weak acids always contain C atoms
- Weak acids are always colorless
- A percentage dissociation of 50% is a weak acid
- Weak acid molecules readily lose their acidic hydrogen atoms (correct)
Which equation represents an acid-base neutralization reaction?
Which equation represents an acid-base neutralization reaction?
- HNO₃ + KOH → KNO₃ + H₂O (correct)
- NaOH + HCl → NaCl + H₂O
- Ba(OH)₂ + Na₂SO₄ → BaSO₄ + 2NaOH
- H₂SO₄ + Zn → ZnSO₄ + H₂
If the pH of a solution increases from 4.0 to 6.0, what happens to the hydronium ion concentration?
If the pH of a solution increases from 4.0 to 6.0, what happens to the hydronium ion concentration?
The most basic oxides are formed from elements found in which part of the periodic table?
The most basic oxides are formed from elements found in which part of the periodic table?
When CaO(s) reacts with water, what does the resulting solution contain?
When CaO(s) reacts with water, what does the resulting solution contain?
What is a characteristic of acids based on the information provided?
What is a characteristic of acids based on the information provided?
Which type of solution is one with a pH of 8?
Which type of solution is one with a pH of 8?
What is the pH when the hydrogen ion concentration is 1 x 10^(-3) M?
What is the pH when the hydrogen ion concentration is 1 x 10^(-3) M?
A solution with a pH of 5.0 _____.
A solution with a pH of 5.0 _____.
Which of the following chemical reactions will produce a precipitate?
Which of the following chemical reactions will produce a precipitate?
Which of the following is true about strong bases?
Which of the following is true about strong bases?
In the Brønsted-Lowry definition, what is an electron-pair acceptor known as?
In the Brønsted-Lowry definition, what is an electron-pair acceptor known as?
Which scientist's definition emphasizes the role of protons in acids and bases?
Which scientist's definition emphasizes the role of protons in acids and bases?
What is the pH of a 1 x 10^-4 M HCl solution?
What is the pH of a 1 x 10^-4 M HCl solution?
If 50.0 mL of an HCl solution is neutralized by 40.0 mL of 0.400 M NaOH, what is the molarity of the HCl solution?
If 50.0 mL of an HCl solution is neutralized by 40.0 mL of 0.400 M NaOH, what is the molarity of the HCl solution?
