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 Subject Science Due By (Pacific Time) 01/09/2017 12:00 am

Module 12 Lesson 2 Mastery Assignment:  Equilibrium

1.     Write the equilibrium expressions for the following reactions:

a)    2 N2O(g)  +  O2(g)  ßà  4 NO(g)

b)    H2(g)  +  CO2(g)  ßà  H2O(g)  +  CO(g)

c)     4 HCl(g)  +  O2(g)  ßà  2 Cl2(g)  +  2 H2O(g)

d)    3 H2(g)  +  N2(g)  ßà  2 NH3(g)

e)    H2(g)  +  Cl2(g)  ßà  2HCl(g)

f)     2 SO2(g)  +  O2(g)  ßà  2 SO3(g)

2.     Using the above equilibrium expressions, calculate the equilibrium constant, K, for the following concentrations:

a)    [N2O] = 0.0035 M, [O2] = 0.0027 M, [NO] = 5.6 x 10-9 M

b)    [H2] = 0.61 M, [CO2] = 1.6 M, [H2O] = 1.1 M, [CO] = 1.4 M

c)     [HCl] = 1.2 x 10-3 M, [O2] = 3.8 x 10-4 M, [H2O] = 5.8 x 10-2 M, [Cl2] = 5.8 x 10-2 M

d)    [NH3] = 0.62 M, [H2] = 0.14 M, [N2] = 0.45 M

e)    [H2] = 0.0045 M, [Cl2] = 0.0045 M, [HCl] = 0.0625 M

f)     [SO2] = 2.00 M, [O2] = 1.50 M, [SO3] = 3.00 M

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