Given the following thermochemical data at 298 K, find the enthalpy at 298 K for the following reaction without using tabulated thermochemical data. [Answer: -414 kJ/mol] 4 NH3 (g) + 5 O2 (g)4 NO (g) + 6 H2O (1)AH° = -1170 kJ mol"2 NO (g) + O2 (g) = 2 NO2 (g)AH° = -114 kJ mol·"3 NO2 (g) + H2O (1) = 2 HNO3 (1) + NO (g)AH° = -72 kJ mol·find AH° at 298 K for the following reaction without using tabulated thermochemical data:NH3 (g) +2 O2 (g) = HNO; (1) + H2O (I)

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Answered: 4 NH3 (g) + 5 O2 (g) 4 NO (g) + 6 H2O…

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter8: Thermochemistry

Section: Chapter Questions

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Given the following thermochemical data at 298 K, find the enthalpy at 298 K for the following reaction without using tabulated thermochemical data. [Answer: -414 kJ/mol]

4 NH3 (g) + 5 O2 (g)
4 NO (g) + 6 H2O (1)
AH° = -1170 kJ mol"
2 NO (g) + O2 (g) = 2 NO2 (g)
AH° = -114 kJ mol·"
3 NO2 (g) + H2O (1) = 2 HNO3 (1) + NO (g)
AH° = -72 kJ mol·
find AH° at 298 K for the following reaction without using tabulated thermochemical data:
NH3 (g) +2 O2 (g) = HNO; (1) + H2O (I)

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