4.
按要求回答下列问题:
I.将等物质的量的\(\rm{A}\)、\(\rm{B}\)混合放于\(\rm{2L}\)的密闭容器中,发生反应\(\rm{3A(g)+B(g)⇌xC(g)+2D(g).}\)经\(\rm{5min}\)后达到平衡,平衡时测得\(\rm{D}\)的浓度为\(\rm{0.5mol/L}\),\(\rm{c(A)}\):\(\rm{c(B)=3}\):\(\rm{5}\),\(\rm{v(C)=0.1mol/(L⋅min).}\)则:
\(\rm{(1)x=}\)_____________________.
\(\rm{(2)}\)前\(\rm{5min}\)内\(\rm{B}\)的反应速率\(\rm{v(B)=}\)_____________________.
\(\rm{(3)}\)平衡时\(\rm{A}\)的转化率为_____________________.
\(\rm{II.}\)水蒸气通过炙热的碳层发生反应:\(\rm{C(s)+H_{2}O(g)⇌CO(g)+H_{2}(g)\triangle H}\).
\(\rm{(4)}\)已知:\(\rm{K(300℃) < K(350℃)}\),则该反应是_____________________热反应.
\(\rm{(5)}\)上述反应在\(\rm{t_{0}}\)时刻达到平衡,在\(\rm{t_{1}}\)时刻改变某一条件后正反应速率\(\rm{(ν_{正})}\)随时间的变化如下图所示,填出对应的编号.
\(\rm{①}\)缩小容器体积_____________________; \(\rm{②}\)降低温度_____________________
\(\rm{(6)}\)已知反应\(\rm{①CO(g)+CuO(g)⇌CO_{2}(g)+Cu(s)②H_{2}(g)+CuO(g)⇌Cu(s)+H_{2}O(g)}\) 在相同的某温度下的平衡常数分别为\(\rm{K_{1}}\)和\(\rm{K_{2}}\),该温度下反应\(\rm{CO(g)+H_{2}O(g)⇌CO_{2}(g)+H_{2}(g)}\)的平衡常数\(\rm{K=}\)_____________________\(\rm{(}\)用\(\rm{K_{1}}\)和\(\rm{K_{2}}\)表示\(\rm{)}\).