Written Paper Section I Question 22-24 from the 2001 HSC Examination
Summary: 22. Justify the procedure used to prepare an ester in a school laboratory and include relevant chemical equations. 23(a) State Brönsted-Lowry's definition of a base. (b) Calculate the molar mass of a base in a household cleaning agent. 24(a) State a use of ammonia other than as a cleaning agent. (b) State the effect on the yield of the Haber Process when ammonia is liquefied. (c) Explain why it is essential to monitor temperature and pressure inside the reaction vessel when producing ammonia.