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Consider the following system at equilibrium where ΔH° = 16.1 kJ, and Kc = 6.50x10^-3, at 298 K. 2NOBr(g) ⇌ 2NO(g) + Br2(g) When 0.25 moles of NO(g) are added to the equilibrium system at constant temperature: The value of Kc______. The value of Qc______. Kc. The reaction must The concentration of Br2 will ______.