Answered: Ammonia is produced by the Haber…

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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Ammonia is produced by the Haber process, in which nitrogen and hydrogen are reacted directly using an iron mesh impregnated with oxides as a catalyst. Below is the reaction that shows how ammonia is made by Haber Process. Is the reaction endothermic or exothermic? Explain!

choices:

a. exothermic, because decreasing temperature, decreases the equilibrium constants, and therefore more products are formed

b. endothermic, because increasing the temperature favors the equilibrium to the left which decreases the equilibrium constant that is more reactants are formed

c. endothermic, because decreasing the temperature, decreases the equilibrium constants where more of the reactants are formed rather than the products

d. exothermic, because increasing temperature decreases the equilibrium constants, thus equilibrium shifts to the reverse direction

e. exothermic, because increasing temperature decreases the equilibrium constants, and more products are formed

N₂(g) + 3H₂(g) → 2NH3(g)
equilibrium constants as a function of temperature are
300°C, 4.34 x 10-3
500°C, 1.45 x 10-5
600°C, 2.25 x 10-6

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