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A Reaction Vessel Is Charged with Hydrogen Iodide, Which Partially

Question 51

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A reaction vessel is charged with hydrogen iodide, which partially decomposes to molecular hydrogen and iodine: 2HI (g) A reaction vessel is charged with hydrogen iodide, which partially decomposes to molecular hydrogen and iodine: 2HI (g) H<sub>2</sub>(g) + I<sub>2</sub>(g) When the system comes to equilibrium at 425 °C, P<sub>HI</sub> = 0.708 atm, and PH<sub>2</sub> = PI<sub>2</sub> = 0.0960 atm. The value of K<sub>p</sub> at this temperature is __________. A) 6.80 × 10<sup>-2</sup> B) 1.30 × 10<sup>-2</sup> C) 54.3 D) 1.84 × 10<sup>-2</sup> E) K<sub>p</sub> cannot be calculated for this gas reaction when the volume of the reaction vessel is not given. H2(g) + I2(g)
When the system comes to equilibrium at 425 °C, PHI = 0.708 atm, and PH2 = PI2 = 0.0960 atm. The value of Kp at this temperature is __________.


A) 6.80 × 10-2
B) 1.30 × 10-2
C) 54.3
D) 1.84 × 10-2
E) Kp cannot be calculated for this gas reaction when the volume of the reaction vessel is not given.

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