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Suppose H2(g) and I(g) are sealed in a flask at T = 400 K with partial pressures PH, = 1.320 atm and R, = 1.140 atm. At this temperature H, and I, do not react rap- idly to form HI(g), although after a long enough time they would produce HI(g) at its equilibrium partial pressure. Suppose, instead, that the gases are heated in the sealed flask to 600 K, a temperature at which they quickly reach equilibrium: H2 (g) + I2(g)=2 HI(g) The equilibrium constant for the reaction is 92.6 at 600 K: P PH, P, = 92.6 (a) What are the equilibrium values of R1,, P., and PHI at 600 K? (b) What percentage of the I, originally present has reacted when equilibrium is reached?

Suppose H2(g) and I(g) are sealed in a flask at T = 400 K with partial pressures PH, = 1.320 atm and R, = 1.140 atm. At this temperature H, and I, do not react rap- idly to form HI(g), although after a long enough time they would produce HI(g) at its equilibrium partial pressure. Suppose, instead, that the gases are heated in the sealed flask to 600 K, a temperature at which they quickly reach equilibrium: H2 (g) + I2(g)=2 HI(g) The equilibrium constant for the reaction is 92.6 at 600 K: P PH, P, = 92.6 (a) What are the equilibrium values of R1,, P., and PHI at 600 K? (b) What percentage of the I, originally present has reacted when equilibrium is reached?

Principles of Modern Chemistry
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter14: Chemical Equilibrium
Section: Chapter Questions
Problem 82AP
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Suppose H2(g) and I(g) are sealed in a flask at T = 400 K with partial pressures PH, = 1.320 atm and R, = 1.140 atm. At this temperature H, and I, do not react rap- idly to form HI(g), although after a long enough time they would produce HI(g) at its equilibrium partial pressure. Suppose, instead, that the gases are heated in the sealed flask to 600 K, a temperature at which they quickly reach equilibrium: H2 (g) + I2(g)=2 HI(g) The equilibrium constant for the reaction is 92.6 at 600 K: P PH, P, = 92.6 (a) What are the equilibrium values of R1,, P., and PHI at 600 K? (b) What percentage of the I, originally present has reacted when equilibrium is reached?
Transcribed Image Text:Suppose H2(g) and I(g) are sealed in a flask at T = 400 K with partial pressures PH, = 1.320 atm and R, = 1.140 atm. At this temperature H, and I, do not react rap- idly to form HI(g), although after a long enough time they would produce HI(g) at its equilibrium partial pressure. Suppose, instead, that the gases are heated in the sealed flask to 600 K, a temperature at which they quickly reach equilibrium: H2 (g) + I2(g)=2 HI(g) The equilibrium constant for the reaction is 92.6 at 600 K: P PH, P, = 92.6 (a) What are the equilibrium values of R1,, P., and PHI at 600 K? (b) What percentage of the I, originally present has reacted when equilibrium is reached?
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