一、化学反应中的能量变化

1．(1)−14.94kJ (2)−602kJmol⁻¹ (3)0.0406g

2．−1214kJmol⁻¹ 3．76kJmol⁻¹ 4．236kJmol⁻¹，196.6kJmol⁻¹ 5．9545.5K

6．(1)C (2) C

7．(1) A.−286kJmol⁻¹ B.−286kJmol⁻¹ C.1g

8．2.89MJmol⁻¹ 9．412kJmol⁻¹ 10．690kJmol⁻¹ 11．−1014kJmol⁻¹

13．101.3kJmol⁻¹，48.6kJmol⁻¹，175.2kJ⁻¹mol⁻¹，13.7kJmol⁻¹

14．61.2−0.133T

15．①115.4kJmol⁻¹ ②162kJ⁻¹mol⁻¹ ③1010K

16．2 或 3 种 17．(1)5.1kJ (2)2.6×10²g

22.．2.176kJmol⁻¹，−38.032kJmol⁻¹，−40.208kJmol⁻¹

23．B 24.−1135.7kJmol⁻¹，−1126kJmol⁻¹