Using the standard enthalpies of formation listed in Table 9.4, calculate the standard enthalpy change for the

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Using the standard enthalpies of formation listed in Table 9.4, calculate the standard enthalpy change for the overall reaction that occurs when ammonia is burned in air to form nitrogen dioxide and water. This is the first step in the manufacture of nitric acid.

4NH3(g) + 702(g) 4NO(g) + 6HO(l)

TABLE 9.4 Standard Enthalpies Several Compounds at 25C Compound NH3(g) NO(g) HO(1) AlO3(s) FeO3(s) CO(g)

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Chemical Principles

ISBN: 9780618946907

6th Edition

Authors: Steven S Zumdahl

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