| Action 
            on the equilibrium | Equilibrium 
              constant KcClick one of the options below
 
 | Mol 
              of H2when equilibrium is established
 
 | Mol 
              of N2when equilibrium is established
 | Mol 
              of NH3when equilibrium is established
 | 
         
          | At 
              time T1 ddition ofNH3
 |   
              
               |  
              
               |  
              
               |  
              
               | 
         
          | At 
            time T2 the reaction chamber is doubled in volume |   
              
               |  
              
               |  
              
               |  
              
               | 
         
          | At time 
            T3 the reaction vessel is heated |   
              
               |  
              
               |  
              
               |  
              
               | 
         
          | At time 
            T4 t he reaction vessel is cooled |   
              
               |  
              
               |  
              
               |  
              
               | 
         
          | At time 
            T5 Addition of H2 |   
              
               |  
              
               |  
              
               |  
              
               |