1) The equilibrium constant is given for one of the reactionsbelow. Determine the value of the missing equilibriumconstant.

H_{2 (g)} + Br_{2 (g)} ? 2 HBr _(g)K_c= 3.8 × 10⁴
4 HBr _(g) ? 2 H_{2 (g)} + 2 Br_{2 (g)}K_c= ?

a) 1.9 × 10⁴

b) 5.1 × 10^-3

c) 6.9 × 10^-10

d) 1.6 × 10³

2) The equilibrium constant is given for one of the reactionsbelow. Determine the value of the missing equilibriumconstant.

2 SO_{2 (g)} + O_{2 (g)} ? 2 SO_{3 (g)}K_c= 1.7 × 10⁶
SO_{3 (g)} ? 1/2 O_{2 (g)} + SO_{2 (g)}K_c= ?

a) 8.5

b) 3.4 × 10²

c) 1.2 × 10^-6

d) 7.7 × 10^-4

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