4. 已知:2NH3(g) + 3N2O(g) → 4N2(g) + 3H2O(l) ,△H1 = -1007.8 kJ
N2O(g) + 3H2(g) → N2H4(l) + H2O(l) ,△H2 = -316.4 kJ
2NH3(g) + 1/2 O2(g) → N2H4(l) + H2O(l) ,△H3 = -143.0 kJ
H2(g) + 1/2 O2(g) → H2O(l) ,△H4 = -285.5 kJ
試求 1 莫耳 N2H4(l) 燃燒生成 N2(g) 及 H2O(l) 的燃燒熱為 ⑩ kJ?