Diagnostic Misconceptions - Catalysts

Test yourself on Diagnostic Misconceptions - Catalysts

• The following reaction occurs in equilibrium:
  H_2(g) + I_2(g) $\rightleftharpoons$ 2HI_(g)
  
  The forward reaction is exothermic. How would adding a catalyst affect the position of the equilibrium in this reaction?

• The following reaction occurs in equilibrium:
  2SO_2(g) + O_2(g) $\rightleftharpoons$ 2SO_3(g)
  
  How would adding a catalyst affect the position of the equilibrium in this reaction?

• A reversible reaction is at equilibrium. Which of these is guaranteed NOT to change the position of the equilibrium?

• Which of these is true about the use of catalysts in equilibrium reactions?

• How does adding a catalyst change the equilibrium position of a reaction?