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

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Use this reaction for the question and calculate AHon Circle your answer.
N2 (g) + O2 (g) - 2 NO (g)
Hess's Law
No (g) + 3H2 (g)2NH3 (g)
4NH3 (g) + 502 (g) 4NO (g) + 6H,0 (g) AH = -906.2 kJ
2H2 (g) + O2lg) 2 H20 (g)
AH = -91.8 kJ
%3D
AH = -484 kJ
Using the same reaction, calculate the AH n two other different ways (heats of
formation, bond enthalpy. Label the two other methods and circle your answe.
You can use these tables.
Bond Energies kJ/mol
C-0
O-0
O-H
C-C
H-H
O-H
H-CI
AHP KJ/mol
H2O (1)
H2O (g)
CH (g)
CO2 (g)
CaH (g)
CaHe (g)
NO (g)
NO: (g)
CHCla (9)
O (g)
HCI (g)
NH3 (g)
So: (g)
So (g)
799
498
473
346
436
467
431
-285.8
-241.8
-106.7
-393.5
52.28
83
624
86.7
51.8
-100.2
249
N-H
C-H
C-C
S-O
S-O
N+N
NON
N-O
N+O
390
414
331
87
128
418
945
201
607
-92.3
-46.3
-296.84
-395,7
Previous
Nex
Transcribed Image Text:Use this reaction for the question and calculate AHon Circle your answer. N2 (g) + O2 (g) - 2 NO (g) Hess's Law No (g) + 3H2 (g)2NH3 (g) 4NH3 (g) + 502 (g) 4NO (g) + 6H,0 (g) AH = -906.2 kJ 2H2 (g) + O2lg) 2 H20 (g) AH = -91.8 kJ %3D AH = -484 kJ Using the same reaction, calculate the AH n two other different ways (heats of formation, bond enthalpy. Label the two other methods and circle your answe. You can use these tables. Bond Energies kJ/mol C-0 O-0 O-H C-C H-H O-H H-CI AHP KJ/mol H2O (1) H2O (g) CH (g) CO2 (g) CaH (g) CaHe (g) NO (g) NO: (g) CHCla (9) O (g) HCI (g) NH3 (g) So: (g) So (g) 799 498 473 346 436 467 431 -285.8 -241.8 -106.7 -393.5 52.28 83 624 86.7 51.8 -100.2 249 N-H C-H C-C S-O S-O N+N NON N-O N+O 390 414 331 87 128 418 945 201 607 -92.3 -46.3 -296.84 -395,7 Previous Nex
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