题目

 ---It’s said that the plan for the project didn’t pass, with the majority of the board members _____ it.    ---Oh, what a pity!   A. reduced to          B. submitted to      C. committed to     D. opposed to 答案：D如下图所示，△H1=－393.5 kJ??mol-1,△H2=－395.4 kJ??mol-1，下列说法或表示式正确的（    ） A. C（s、石墨）== C（s、金刚石） △H= +1.9 kJ??mol-1 B. 石墨和金刚石的转化是物理变化 C. 金刚石的稳定性强于石墨 D. 1 mol石墨的总键能比1 mol金刚石的总键能小1.9 kJ