A chemical engineer is studying the following reaction: H₂(g) +1₂(g) → 2 HI(g) At the temperature the engineer picks, the equilibrium constant K for this reaction is 2.3. The engineer charges ("fills") three reaction vessels with hydrogen and iodine, and lets the reaction begin. He then measures the composition of the mixture inside each vessel from time to time. His first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time he measures the compositions. reaction vessel A B с compound H₂ 1₂ HI H₂ 1₂ HI H₂ 1¹2 HI pressure 1.25 atm 4.56 atm 5.26 atm 1.68 atm 4.99 atm 4.40 atm. 2.04 atm 5.35 atm 3.69 atm expected change in pressure ↑ increase O † increase ↑ Ot increase Ot increase O ↑ increase Ot increase Ot increase O decrease ↓ O decrease ↓ O decrease ↓ O ↓ decrease ↓ decrease O decrease ↓ O ↓ decrease O ↑ † increase O ↑ increase O decrease ↓decrease (no change) O (no change) O (no change) (no change) O (no change) O (no change) O (no change) O (no change) O (no change)

A chemical engineer is studying the following reaction: H₂(g) +1₂(g) → 2 HI(g) At the temperature the engineer picks, the equilibrium constant K for this reaction is 2.3. The engineer charges ("fills") three reaction vessels with hydrogen and iodine, and lets the reaction begin. He then measures the composition of the mixture inside each vessel from time to time. His first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time he measures the compositions. reaction vessel A B с compound H₂ 1₂ HI H₂ 1₂ HI H₂ 1¹2 HI pressure 1.25 atm 4.56 atm 5.26 atm 1.68 atm 4.99 atm 4.40 atm. 2.04 atm 5.35 atm 3.69 atm expected change in pressure ↑ increase O † increase ↑ Ot increase Ot increase O ↑ increase Ot increase Ot increase O decrease ↓ O decrease ↓ O decrease ↓ O ↓ decrease ↓ decrease O decrease ↓ O ↓ decrease O ↑ † increase O ↑ increase O decrease ↓decrease (no change) O (no change) O (no change) (no change) O (no change) O (no change) O (no change) O (no change) O (no change)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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