Hess's Law problem, find change in heat 2NH3 + 1/2O2 --> N2H4 + 3H2O broken into...

Question

Question

Hess's Law problem, find change in heat

2NH3 + 1/2O2 --> N2H4 + 3H2O

broken into

1. NH3 + 3N2O --> 4N2 + 3H2O

2. N2O + 3H2 --> N2H4 + H2O

3. N2H4 + O2 --> N2 + 2H2O

4. H2 + 1/2O2 -- H20

Answer 1

Answer #1

1 2 NHB (g) + ANO (g) **) + & HOG) AH = -1010 kJ 2) 8N H4 99 +8H0 G 8 No cast &H cas oH=4951 kJ 3) * W419) + $$4069) — 449)+

Answer 2

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