A student obtained the following data for the decomposition of ammonia on a tungsten surface at 1100 °C. NH3(g) →→→→1/2 N₂(g) + 3/2 H₂(g) [NH3], M 9.21x10-3 seconds 0 4.61x10-3 441 2.31x10-3 661 1.16x10-3 (3) Based on these data, what is the rate constant for the reaction? 771 (1) What is the half-life for the reaction starting at t=0 s? What is the half-life for the reaction starting at t=441 s? Does the half-life increase, decrease or remain constant as the reaction proceeds? (2) is the reaction zero, first, or second order? [ Ms-1
A student obtained the following data for the decomposition of ammonia on a tungsten surface at 1100 °C. NH3(g) →→→→1/2 N₂(g) + 3/2 H₂(g) [NH3], M 9.21x10-3 seconds 0 4.61x10-3 441 2.31x10-3 661 1.16x10-3 (3) Based on these data, what is the rate constant for the reaction? 771 (1) What is the half-life for the reaction starting at t=0 s? What is the half-life for the reaction starting at t=441 s? Does the half-life increase, decrease or remain constant as the reaction proceeds? (2) is the reaction zero, first, or second order? [ Ms-1
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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