Using Chatelier’s principle, predict the direction

Iron Thiocyanate Equilibrium1. Write the equilibrium constant expression for the following reaction.Co2+(aq) + 4Cl­(aq) CoCl(aq)2­4In which direction will the equilibrium shift if [Co2+] is increased?In which direction will the equilibrium shift if [CoCl42­] is decreased?2. Using Chatelier’s principle, predict the direction of the net reaction in each of thefollowing systems equilibrium systems as a result of increasing the pressure atconstant temperature (ie., decreasing the volume available to any gases.)a.N2(g) + O2(g) 2NO(g)b.PCl5(g) PClc.Sn(s) + 2H+(aq) Snd.CaO(s) + CO2(g) CaCO(g) + Cl2(g)3(aq) + H2(g)2+(s)33. Write equilibrium constant expressions for each of the systems given in question2.a.b.c.d.4. Explain the shifts you predicted in question 2 in terms on the equilibrium constantexpressions.a.b.c.d.5. What effect (shift from the right or to the left) does an increased in temperature haveon each of the following systems at equilibrium? Explain.a. 3O2(g) 2O(g) DH= 284 kJ3b. 2SO2(g) + O2(g)DH= ­198 kJ6. Complete the table below for the reaction,Ni(s) + 4 CO(g) Ni(CO)(g)4DH < 0Answering “‹”, “› ”, “fi”, “fl ”, or “no change” after the perturbation is made.What is theeffect on theparameters onthe right afterthe perturbationbelow is madee.g. argon isaddedMore Ni isaddedMore CO isaddedMore Ni(CO)4is addedT is increasedPCONo changePNi(CO)4No changeequilibriumNo changeNote: ‹ shifts to the left, › increases, fishifts to the right, fl decreases.KPNo change

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