(b). Urea (NH2CONH2) is the end product in protein metabolism in animals. The decomposition of urea in 0.1 M HCI occurs according to the reaction below. NH₂CONH2 (aq) + H*(aq) + 2H₂O (1)→ 2NH4+ (aq) · + HCO3- (aq) The reaction is first order in urea and first order overall. When [NH₂CONH2] = 0.300M, the rate at 51.05 °C is 7.56 x 10-5. (i). Determine the rate constant, k? (ii). Calculate the concentration of urea in this solution after 4.00 X 10³ s if the starting concentration is 0.400 M. (iii). Calculate the half-life for this reaction at 51.05 °C.
(b). Urea (NH2CONH2) is the end product in protein metabolism in animals. The decomposition of urea in 0.1 M HCI occurs according to the reaction below. NH₂CONH2 (aq) + H*(aq) + 2H₂O (1)→ 2NH4+ (aq) · + HCO3- (aq) The reaction is first order in urea and first order overall. When [NH₂CONH2] = 0.300M, the rate at 51.05 °C is 7.56 x 10-5. (i). Determine the rate constant, k? (ii). Calculate the concentration of urea in this solution after 4.00 X 10³ s if the starting concentration is 0.400 M. (iii). Calculate the half-life for this reaction at 51.05 °C.
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter13: Chemical Kinetics
Section: Chapter Questions
Problem 13.50QE
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