H₂(g) + I2(g) 2 HI(g) A reaction mixture at equilibrium at 175 K contains PH₂ and PHI - 0.958 atm, P₂ = 0.877 atm, = 0.020 atm. A second reaction mixture, also at 175 K, contains PH₂ = P1₂ = 0.621 atm and PHI = 0.101 atm. Is the second reaction at equilibrium? If not, what will be the partial pressure of HI when the reaction reaches equilibrium at 175 K?

World of Chemistry, 3rd edition
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Chapter17: Equilibrium
Section: Chapter Questions
Problem 38A
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81.
Consider the reaction:
H₂(g) + 1₂(g) 2 HI(g)
A reaction mixture at equilibrium at 175 K contains PH,
and PHI = 0.020 atm. A second reaction mixture, also at 175 K, contains
PH₂ = P₁₂ = 0.621 atm and PH = 0.101 atm. Is the second reaction at equilibrium? If
not, what will be the partial pressure of HI when the reaction reaches equilibrium at 175
K?
0.958 atm, Pl, = 0.877 atm,
Transcribed Image Text:81. Consider the reaction: H₂(g) + 1₂(g) 2 HI(g) A reaction mixture at equilibrium at 175 K contains PH, and PHI = 0.020 atm. A second reaction mixture, also at 175 K, contains PH₂ = P₁₂ = 0.621 atm and PH = 0.101 atm. Is the second reaction at equilibrium? If not, what will be the partial pressure of HI when the reaction reaches equilibrium at 175 K? 0.958 atm, Pl, = 0.877 atm,
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