Use this reaction for the question and calculate AHn Circle your answer. N2 (g) +O2 (g) 2 NO (g) Hess's Law N2 (e) +3H2 (g)-2NH3 (g) 4NH3 (g) + 502 (g)4NO (g) + 6H20 (g) AH =-906.2 kJ 2H2 (g) + Olg)2 H20 (g) AH = -91.8 kJ %3D %3D AH -484 kJ Using the same reaction, calculate the AHpn two other different ways (heats formation, bond enthalpy. Label the two other methods and circle your ansv You can use these tables. Bond Energies kJ/mol AHP KJ/mol HO () HO (g) CH (g) CO: (g) CaHa (g) CaHe (g) NO (g) NO: (g) CHC (9) -100.2 O (g) HCI (g) NH3 (g) So (g) So () 799 -285.8 O-0 498 473 -241.8 -106.7 -393.5 52.28 83 C-C H-H 346 436 467 431 624 390 H-C CaC N-H CH C-C S-O S-0 N+N NON N-O N+O 86.7 414 51.8 331 249 -92.3 46.3 -296.84 -395.7 87 128 418 945 201 607
Use this reaction for the question and calculate AHn Circle your answer. N2 (g) +O2 (g) 2 NO (g) Hess's Law N2 (e) +3H2 (g)-2NH3 (g) 4NH3 (g) + 502 (g)4NO (g) + 6H20 (g) AH =-906.2 kJ 2H2 (g) + Olg)2 H20 (g) AH = -91.8 kJ %3D %3D AH -484 kJ Using the same reaction, calculate the AHpn two other different ways (heats formation, bond enthalpy. Label the two other methods and circle your ansv You can use these tables. Bond Energies kJ/mol AHP KJ/mol HO () HO (g) CH (g) CO: (g) CaHa (g) CaHe (g) NO (g) NO: (g) CHC (9) -100.2 O (g) HCI (g) NH3 (g) So (g) So () 799 -285.8 O-0 498 473 -241.8 -106.7 -393.5 52.28 83 C-C H-H 346 436 467 431 624 390 H-C CaC N-H CH C-C S-O S-0 N+N NON N-O N+O 86.7 414 51.8 331 249 -92.3 46.3 -296.84 -395.7 87 128 418 945 201 607
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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