2. Determine the heat of reaction (AH, xn) for the process by which hydrazine (N2H4)
is formed from its elements:
N2 (g) +
2 H2 (g) →
N2H4 (g)
by using the following thermochemical data:
N H. (g)
+
O2 (g) →
N2 (g)
-
2 H2O(g)
AH - - 622.2 kJ
H2(g) +
1/2 O2 (g)
H2O (g)
AH = - 285.8 kJ
IN
Answers: 2
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2. Determine the heat of reaction (AH, xn) for the process by which hydrazine (N2H4)
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