Question #159982

Write the indicated equilibrium expression for the following:

1) Kc : Cd2+(aq) + 4 Br-(aq) ↔ CdBr4 2-(aq)



2) Kp : CH4(g) + 2 H2S (g) ↔ CS2(g) + 4 H2 (g)



3) Kc : Ca3(PO4)2(s) ↔ 3 Ca2+ (aq) + 2 PO4 3-(aq)



4) Kp : CO2(g) + H2(g) ↔ CO (g) + H2O (l)



5) Kc : Ti (s) + 2 Cl2(g) ↔ TiCl4(l)



Expert's answer

1) Kc =[CdBr42-]/[Br-]4[Cd2+]

2) Kp =(PCS2)•( PH2)4/(PCH4) • (PH2S)2

3) Kc = [Ca2+]3[PO43-]2

4) Kp = PCO/PCO2 •PH2

5) Kc = [Cl2]2



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