10
化学参考答案
16. (10分)
(1) N 2 (g)+ 3H 2(g) = 2NH 3(g) ΔH =-92 kJ/mol (2) N 2 (g)+ O 2(g) = 2NO (g) ΔH =+68 kJ/mol
(3) N 2H 4 (g)+ O 2(g) = N 2(g) + 2H 2O ΔH
=-534 kJ/mol (4) N 2 (g)+ 3H 2(g) = 2NH 3(g) ΔH =-92 kJ/mol -80 kJ/mol
17答案:(1)环形玻璃搅拌棒
(2)减少实验过程中的热量损失 (3)偏小 (4)不相等 相等
(5)不相等 若酸电离需要吸收热量
18.(18分)
(1)CH 3CH 2CH 3 (2)C6H14 (3)⑦
(4)
(5) CH 3CH 2C(CH 3)3
(6)2CH 3CH 2OH +O 2 2CH3CHO +2H2O
(7)①; 同系物
(8)CH 3COOH + HOC 2H 5
CH 3COOC 2H 5 + H 2O
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