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A Reaction Vessel Is Charged with Hydrogen Iodide, Which Partially

Question 8

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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) <sup>When the system comes to equilibrium at 425 °C, P</sup><sub>HI </sub><sup>= </sup><sup>0.708 atm, and </sup><sup>P</sup>H<sub>2 </sub><sup>= </sup><sup>P</sup>I<sub>2</sub> = 0) 0960 atm. The value of K<sub>p </sub>at this temperature is . A) 1.30 × 10<sup>-</sup><sup> </sup><sup>2</sup> B) 6.80 × 10<sup>-</sup><sup> </sup><sup>2</sup> C) K<sub>p</sub><sub> </sub>cannot be calculated for this gas reaction when the volume of the reaction vessel is not given. D) 54.3 E) 1.84 × 10<sup>- </sup><sup>2</sup> 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) 1.30 × 10- 2
B) 6.80 × 10- 2
C) Kp cannot be calculated for this gas reaction when the volume of the reaction vessel is not given.
D) 54.3
E) 1.84 × 10- 2

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