The equilibrium constant for the reaction below is 018 at, Ask an Expert

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The equilibrium constant for the reaction below is 0.18 at 25^oC.

PCl_3(g) + Cl_2(g)PCl_5(g)

The following concentrations were measured from the reaction vessel: (4 marks)

[PCl_3(g)] = 0.0420

[Cl_2(g)] = 0.0240

[PCl_5(g)] = 0.00500

Is this system in equilibrium? Explain.

If not, in which direction will the system shift?

Write the Solubility Product Constant (K_sp) expression for the following solution at 275^oC.

MgF_2(s)Mg²⁺_(aq) + 2 F^-_(aq)

Given the solubility of MgF_2(s)is 8.4 x 10^-7M, calculate the value of K_spfor the reaction shown in question #2 at 275^oC.

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