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2. Data for the reaction 2 HI (g) → H₂ (g) + I₂ (g) are given in the table below: Reaction temperature (K) 298 729 Chemical species H₂ (g) 1₂ (g) HI (g) Кс 1.26 x 10-3 2.0 x 10-2 AHof (kJ/mol) 0 62.442 25.9

2. Data for the reaction 2 HI (g) → H₂ (g) + I₂ (g) are given in the table below: Reaction temperature (K) 298 729 Chemical species H₂ (g) 1₂ (g) HI (g) Кс 1.26 x 10-3 2.0 x 10-2 AHof (kJ/mol) 0 62.442 25.9

Chemistry
Chemistry
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ISBN:9781133611097
Author:Steven S. Zumdahl
Publisher:Steven S. Zumdahl
Chapter17: Spontaneity, Entropy, And Free Energy
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Problem 102CWP: The equilibrium constant for a certain reaction increases by a factor of 6.67 when the temperature...
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2. Data for the reaction 2 HI (g) → H₂ (g) + I₂ (g) are given in the table below: Reaction temperature (K) 298 729 Chemical species H₂ (g) 1₂ (g) HI (g) Кс 1.26 x 10-3 2.0 x 10-2 AHof (kJ/mol) 0 62.442 25.9 a. Calculate AH (in kJ/mol) using the AH values given. Show your work, and pay attention to sig figs. b. Calculate AH (in kJ/mol) using the yan't Hoff equation. Show your work, and pay attention to sig figs.
Transcribed Image Text:2. Data for the reaction 2 HI (g) → H₂ (g) + I₂ (g) are given in the table below: Reaction temperature (K) 298 729 Chemical species H₂ (g) 1₂ (g) HI (g) Кс 1.26 x 10-3 2.0 x 10-2 AHof (kJ/mol) 0 62.442 25.9 a. Calculate AH (in kJ/mol) using the AH values given. Show your work, and pay attention to sig figs. b. Calculate AH (in kJ/mol) using the yan't Hoff equation. Show your work, and pay attention to sig figs.
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