![](https://lstatic.shangxueba.com/sxbzda/h5/images/m_q_title.png)
原料初浓度为cA0=10kmol/m3,在等温流动反应器中进行下列液相反应 已知该反应是一级不可逆反应 k1=1.7×1
原料初浓度为cA0=10kmol/m3,在等温流动反应器中进行下列液相反应
已知该反应是一级不可逆反应
k1=1.7×1018exp(-52718/(RT)) L/h
k2=6.9×1014exp(-125520/(RT)) L/h
要求转化率xA=0.9,而目的产物P的浓度为最大,按CSTR与PFR两种情况分别计算反应器应在什么温度下操作?
![](https://lstatic.shangxueba.com/sxbzda/h5/images/tips_org.png)
原料初浓度为cA0=10kmol/m3,在等温流动反应器中进行下列液相反应
已知该反应是一级不可逆反应
k1=1.7×1018exp(-52718/(RT)) L/h
k2=6.9×1014exp(-125520/(RT)) L/h
要求转化率xA=0.9,而目的产物P的浓度为最大,按CSTR与PFR两种情况分别计算反应器应在什么温度下操作?
第1题
—He was nearly drowned once.
—When was ______?
—______ was in 1998 when he was in middle school.
A) that; It B) this; This C) this; It D) that; This
第2题
A.that; It
B.this; This
C.this; It
D.that; This
第3题
A、to drown
B、to be drowned
C、being drowned
D、having been drowned
第4题
The big waves might have drowned the child ______ fast to the saving boat.
A.if he didn't hold B.didn't he hold
C.had he held out D.had he not held
第5题
How I wish John recognized the fact that he ______ in the wrong.
A.always nearly is
B.always is nearly
C.is nearly always
D.nearly is always
第6题
How I wish John recognized the fact that he ______ in the wrong.
A.always nearly is
B.always is nearly
C.is nearly always
D.nearly is always
第8题
A、finished dressing nearly
B、finishing nearly dressing
C、nearly finished dressing
D、nearly finishing dressing
第9题
A. drowned
B. praised
C. accused
D. criticized
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