Paper 1 October/November 2014 CHEMISTRY (9701/11) IGCSE

The volume of ammonia produced against time is measured in two experiments.
N$_2$(g) + 3H$_2$(g) $\rightleftharpoons$ 2NH$_3$(g) ΔH = -92 kJ mol$^{-1}$
In experiment 1, 3 mol of H$_2$(g) and 1 mol of N$_2$(g) react together at 45$^\circ$ C and a pressure of 200 atm.
A graph showing the volume of ammonia produced against time is plotted.
Experiment 2 is…