A.已知C(s)+O2(g)===CO2(g) ;C(s)+ O2(g)= =CO (g) ,则![](https://media.youtike.com/ques/201302/21/c9388198-1b76-48de-b498-b2b3b105edc4/image004.png) ![](https://media.youtike.com/ques/201302/21/c9388198-1b76-48de-b498-b2b3b105edc4/image003.png) |
B.在稀溶液中,H+(aq)+OH-(aq)===H2O(l); kJ·mol-1,若将含0.5molH2SO4的浓硫酸与含1mol NaOH的溶液混合,放出的热大于57.3 kJ |
C.由C(石墨)===C(金刚石); kJ·mol-1可知,金刚石比石墨稳定 |
D.在101kPa时,2g H2完全燃烧生成液态水,放出285.8 kJ热量,则表示氢气燃烧的热化学方程式为:2H2(g)+O2 (g) ===2H2O(l); kJ·mol-1 |