Unit 8 AP Chemistry

What are the products of the reaction between sulfuric acid and sodium hydrogen carbonate?

• NaSO₄ + H₂O + CO₂

• Na₂SO₄ + CO₂

• Na₂SO₄ + H₂O + CO₂

• NaSO₄ + H₂CO₃

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which react with dilute sulfuric acid?

• I and II only

• I and III only

• II and III only

• I, II and III

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What occurs when solid sodium hydrogen carbonate reacts with aqueous sulfuric acid?

• Bubbles of sulfur dioxide form.

• Bubbles of both hydrogen and carbon dioxide form.

• Bubbles of hydrogen form.

• Bubbles of carbon dioxide form.

Tags

NGSS.MS-PS1-2

Which gas in the atmosphere causes the pH of unpolluted rain to be approximately 6?

• Carbon dioxide

• Sulfur dioxide

• Oxygen

• Nitrogen

Which compound reacts with calcium oxide, CaO?

• K₂O

• Na₂O

• SO₂

• MgO

If 20 cm³ samples of 0.1 moldm⁻³ solutions of the acids below are taken, which acid would require a different volume of 0.1 moldm⁻³ sodium hydroxide for complete neutralization?

• Nitric acid

• Sulfuric acid

• Ethanoic acid

• Hydrochloric acid

Which solution is basic at 25 °C?

• [H⁺] = 1.0 × 10⁻³ mol dm⁻³

• [OH⁻] = 1.0 × 10⁻¹³ mol dm⁻³

• solution of pH = 4.00

• [H₃O⁺] = 1.0 × 10⁻¹³ mol dm⁻³

What is the pH of 0.001 mol dm⁻³ NaOH (aq)?

• 1

• 3

• 11

• 13

What is the pH of a solution in which the hydroxide ion concentration is 1 × 10⁻¹¹ mol dm⁻³ at 298 K? K_w = 1 × 10⁻¹⁴ at 298 K

• 3

• 7

• 11

• 14

10.0 cm³ of an aqueous solution of sodium hydroxide of pH = 10 is mixed with 990.0 cm³ of distilled water. What is the pH of the resulting solution?

• 8

• 9

• 11

• 12