An experimenter placed 1.000 mol of H2 and 1.000 mol of Iz in a 1.000 L flask. The substances reacted to produce hydrogen iodide: H2 (9) + I2(9) = 2HI(9) Vhen the contents of the flask came to equilibrium at 458°C, the experimenter found that it contained 0.228 mol H2, 0.228 mol I2, and 1.544 mol HI. Calculate the sta or the reaction at 458°C. tandard free-energy change kJ/mol Assume that the standard enthalpy change for the following reaction at 458°C is the same as it is at 298°C. Calculate the standard entropy change for the reaction at AH; (HI(9)) = 26.36 kJ/mol AH; (2 (9)) = 62.42 kJ/mol tandard entropv change=

An experimenter placed 1.000 mol of H2 and 1.000 mol of Iz in a 1.000 L flask. The substances reacted to produce hydrogen iodide: H2 (9) + I2(9) = 2HI(9) Vhen the contents of the flask came to equilibrium at 458°C, the experimenter found that it contained 0.228 mol H2, 0.228 mol I2, and 1.544 mol HI. Calculate the sta or the reaction at 458°C. tandard free-energy change kJ/mol Assume that the standard enthalpy change for the following reaction at 458°C is the same as it is at 298°C. Calculate the standard entropy change for the reaction at AH; (HI(9)) = 26.36 kJ/mol AH; (2 (9)) = 62.42 kJ/mol tandard entropv 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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Question

100%

An experimenter placed 1.000 mol of H2 and 1.000 mol of Iz in a 1.000 L flask. The substances reacted to produce hydrogen iodide:
H2 (9) + I2(9) = 2HI(9)
Vhen the contents of the flask came to equilibrium at 458°C, the experimenter found that it contained 0.228 mol H2, 0.228 mol I2, and 1.544 mol HI. Calculate the sta
or the reaction at 458°C.
tandard free-energy change
kJ/mol
Assume that the standard enthalpy change for the following reaction at 458°C is the same as it is at 298°C. Calculate the standard entropy change for the reaction at
AH; (HI(9)) = 26.36 kJ/mol
AH; (2 (9)) = 62.42 kJ/mol
tandard entropv change=

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