13 The graph shows the variation in concentrations of the three gases present in a mixture...
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13 The graph shows the variation in concentrations of the three gases present in a mixture of phosgene (COCI2), carbon monoxide and chlorine over a period of 18 minutes. These gases interact according to: CO(g) + Cl₂(g) = COCl2(g) AH = -108 kJ/mol Concentration (mol L-¹) 0.14- 0.12- 0.10 0.08- 0.06- 0.04- 0.02- 0.00+ 0 2 -C₁₂ CO COCI₂2 10 12 14 16 18 Time (min) a The gas mixture was initially at equilibrium. 4 minutes later its temperature was changed. Decide whether its temperature was increased or decreased and briefly justify your choice.increase b What change was made to the mixture at the 10 minute mark? Briefly justify your choice. remove me tende с Write an expression relating the equilibrium constant (Kc) to the concentrations of the gases in the mixture. kc [lol₂] [4][44] d Calculate the value of the equilibrium constant (Kc) at the 13 minute mark. k 0.03 012 60.06 What change was made to the mixture at the 14 minute mark? Briefly justify your choice. increase the volume / decause the procure = 4.17 13 The graph shows the variation in concentrations of the three gases present in a mixture of phosgene (COCI2), carbon monoxide and chlorine over a period of 18 minutes. These gases interact according to: CO(g) + Cl₂(g) = COCl2(g) AH = -108 kJ/mol Concentration (mol L-¹) 0.14- 0.12- 0.10 0.08- 0.06- 0.04- 0.02- 0.00+ 0 2 -C₁₂ CO COCI₂2 10 12 14 16 18 Time (min) a The gas mixture was initially at equilibrium. 4 minutes later its temperature was changed. Decide whether its temperature was increased or decreased and briefly justify your choice.increase b What change was made to the mixture at the 10 minute mark? Briefly justify your choice. remove me tende с Write an expression relating the equilibrium constant (Kc) to the concentrations of the gases in the mixture. kc [lol₂] [4][44] d Calculate the value of the equilibrium constant (Kc) at the 13 minute mark. k 0.03 012 60.06 What change was made to the mixture at the 14 minute mark? Briefly justify your choice. increase the volume / decause the procure = 4.17
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