a The Ostwald process for the commercial production of nitric acid from ammonia and oxygen involves the following steps: 4NH3(g) + 502(g) → 4NO(g) + 6H20(g) (1) 2NO(g) + O2(g) → 2NO2(g) (2) 3NO2(g) + H20(1) → 2HNO3(aq) + NO(g) (3) Use the values of AH°f to calculate the value of AH° for each of the preceding reactions. AH°f, kJ/mol NH3(g) -46 NO(g) 90. H2O(g) -242 NO2(g) 34 Н,0() -286 HNO3(aq) -207 AH°1 = kJ AH°2 = kJ AH° - kJ Write the overall equation for the production of nitric acid by the Ostwald process by combining the preceding equations. (Water is also a product.) (Use the lowest possible coefficients. Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed, leave it blank.)

a The Ostwald process for the commercial production of nitric acid from ammonia and oxygen involves the following steps: 4NH3(g) + 502(g) → 4NO(g) + 6H20(g) (1) 2NO(g) + O2(g) → 2NO2(g) (2) 3NO2(g) + H20(1) → 2HNO3(aq) + NO(g) (3) Use the values of AH°f to calculate the value of AH° for each of the preceding reactions. AH°f, kJ/mol NH3(g) -46 NO(g) 90. H2O(g) -242 NO2(g) 34 Н,0() -286 HNO3(aq) -207 AH°1 = kJ AH°2 = kJ AH° - kJ Write the overall equation for the production of nitric acid by the Ostwald process by combining the preceding equations. (Water is also a product.) (Use the lowest possible coefficients. Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed, leave it blank.)

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter5: Stoichiometry

Section: Chapter Questions

Problem 103E: Silicon is produced for the chemical and electronics industries by the following reactions. Give the...

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