Question

In: Chemistry

The equilibrium constant, K, for the following reaction is 7.00×10-5 at 673 K. NH4I(s) <----> NH3(g)...

The equilibrium constant, K, for the following reaction is 7.00×10-5 at 673 K.

NH4I(s) <----> NH3(g) + HI(g)

An equilibrium mixture of the solid and the two gases in a 1.00 L flask at 673 K contains 0.308 mol NH4I, 8.37×10-3 M NH3 and 8.37×10-3 M HI. If the concentration of NH3(g) is suddenly increased to 1.50×10-2 M, what will be the concentrations of the two gases once equilibrium has been reestablished?

[NH3]=

[HI]=

Solutions

Expert Solution

NH4I(s) <---------------------------------->      NH3(g)                +    HI(g)

0.308                                                       8.37x 10^-3                   8.37×10-3 M -----------------> equilibrium

                                                 

[NH3] concentration changed to 1.50×10-2 M that means new concentrations of NH3 and HI are 1.50×10-2 M

concentrations of the two gases once equilibrium has been reestablished

[NH3] = 1.50×10-2 M

[HI] =   1.50×10-2 M


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