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Select the single best answer. At 425 degrees C, Kp = 4.18 x 10^-9 for the reaction 2 HBr(g) ⇌ H2(g) + Br2(g) In one experiment, 0.20 atm of HBr(g), 0.090 atm of H2(g), and 0.090 atm of Br2(g) are introduced into a container. Is the reaction at equilibrium? If not, in which direction will it proceed?