CSAT Suneung · Chemistry I

Acids, equilibrium and thermochemistry

10 practice questions, each with the answer and an explanation.

Practise Acids, equilibrium and thermochemistry now

Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 10 questions

  1. What is the pH of a 0.01 mol/L solution of hydrochloric acid, a strong acid?
  2. What is the pH of a 0.001 mol/L solution of sodium hydroxide at 25 degrees Celsius?
  3. A solution has pH 3. By how much is its hydrogen ion concentration greater than that of a solution with pH 5?
  4. 25 mL of 0.1 mol/L HCl is exactly neutralised by NaOH solution of concentration 0.05 mol/L. What volume of NaOH is needed?
  5. According to Le Chatelier's principle, increasing the pressure on the equilibrium N2 + 3H2 <-> 2NH3 will
  6. For the reaction A + B <-> C the equilibrium concentrations are [A] = 0.2, [B] = 0.5 and [C] = 0.4 mol/L. What is the equilibrium constant K?
  7. In an exothermic reaction the enthalpy change, delta H, is
  8. How much heat is released when 2 mol of a substance burns, if the enthalpy of combustion is -300 kJ/mol?
  9. A catalyst speeds up a reaction by
  10. Which of these is a Bronsted-Lowry acid in the reaction NH3 + H2O <-> NH4+ + OH-?

Keep practising

More CSAT Suneung topics

All CSAT Suneung practice →

Ready for the full CSAT Suneung test?

Take a mock testCSAT Suneung hub