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1)A reaction vessel at 27 ∘C contains a mixture of SO2(P= 3.10 atm ) and O2(P=...

1)A reaction vessel at 27 ∘C contains a mixture of SO2(P= 3.10 atm ) and O2(P= 1.00 atm ). When a catalyst is added the reaction 2SO2(g)+O2(g)⇌2SO3(g) takes place. At equilibrium the total pressure is 3.85 atm.

-Find the value of Kc.

2)A sample of SO3 is introduced into an evacuated sealed container and heated to 600 K. The following equilibrium is established:

2SO3(g)⇌2SO2(g)+O2(g).

The total pressure in the system is found to be 3.0 atm and the mole fraction of O2 is 0.12.

-Find Kp.

3)Nitric oxide reacts with chlorine gas according to the following reaction:
2NO(g)+Cl2(g)⇌2NOCl(g)
Kp=0.27 at 700 K
A reaction mixture initially contains equal partial pressures of NO and Cl2. At equilibrium, the partial pressure of NOCl was measured to be 110 torr.

-What were the initial partial pressures of NO and Cl2?

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