1.
\(\rm{Bodensteins}\)研究了下列反应:\(\rm{2HI(g) ⇌H_{2}(g)+I_{2}(g) \triangle H=+11kJ/mol}\) 在\(\rm{716 K}\)时,气体混合物中碘化氢的物质的量分数\(\rm{x(HI)}\)与反应时间\(\rm{t}\)的关系如下表:
\(\rm{t/min}\) | \(\rm{0}\) | \(\rm{20}\) | \(\rm{40}\) | \(\rm{60}\) | \(\rm{80}\) | \(\rm{120}\) |
\(\rm{x(HI)}\) | \(\rm{1}\) | \(\rm{0.91}\) | \(\rm{0.85}\) | \(\rm{0.815}\) | \(\rm{0.795}\) | \(\rm{0.784}\) |
\(\rm{x(HI)}\) | \(\rm{0}\) | \(\rm{0.60}\) | \(\rm{0.73}\) | \(\rm{0.773}\) | \(\rm{0.780}\) | \(\rm{0.784}\) |
由上述实验数据计算得到\(\rm{v_{正}~x(HI)}\)和\(\rm{v_{逆}~x(H_{2})}\)的关系可用下图表示。当升高到某一温度时,反应重新达到平衡,相应的点分别为________________\(\rm{(}\)填字母\(\rm{)}\)。