| Chemical equilibrium   (2009 NSW HSC) | |
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| 1)The graph shows the variation in concentration of reactant and products as a function of time for the following system. 
 
 (i) Identify and explain each of the changes in conditions that have shaped the curves during the time the system was observed. Solution 
 
 
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| 2) At a particular temperature, iodine trichloride dissociates into iodine gas and chlorine gas according to the following equation: 
 Initially 0.35 mol of ICl3(g) was introduced into a 1.0 L container and allowed to come to equilibrium. At equilibrium there was 0.45 mol L–1 of Cl2(g). Solution Solution Solution |  |