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A、B、C、D、E、F六种分布在三个不同的短周期,它们的原子序数依次增大,其中B与C为同一周期,E、E、F为同一周期,A与D,C与F分别为同一主族,C的原子最外层电子数是次外层电子数的三倍,D是所在周期原子半径最大的。又知六种所形成的常见单质在常温常压下有三种是气体,三种是固体。请回答下列问题: (1)由A、C两可以组成X、Y两种化合物,X在一定条件下可心分解成Y,X的电子式为_______________,其分子属于________(填“极性”或“非极性”)分子。D与C形成的化合物 可与Y的单质C,该反应的化学方程式为____________________。 (2)E是非金属,其单质在电子工业中有重要应用,请写出工业生产单质E的化学反应程式:_____________________________。 (3)一定条件下,A的单质气体与B的单质气体充分反W气体(已知 ),W的空间构型为_______________,工业上合成W气体选择的条件是________________。 (4)A的单质与C的单质在KOH的深溶液中可以形成原电池,如果以金属M和金属N为惰性电极,在电池的M极通入A的单质气体,N极通入C的单质气体,则M极的电极反应式为____________________________________。 (5)在10L的密闭容器中,通入2mol 气体和3mol C的气体单质,一定条件下反应后生成 气体,当反应达到,单质C的浓度为 ,则 的转化率为________。
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【简答题】A young boy and his father were walking along a forest path. At some point, they came across a(n) __1__ tree branch on the ground in front of them. The boy asked his father, “If I try, do you think I ...
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A.
正确
B.
错误
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A.
Pt>Ps>Pi>P
B.
Pt<Ps<Pi<P
C.
Ps<Pt<Pi<P
D.
Pi<Pt<Ps<P
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A.
Pt>Ps>Pi>P
B.
Pt
C.
Ps
D.
Pi
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【单选题】空压机的等温理论功率Pt、绝热理论功率Ps、指示功率Pi、轴功率P之间的大小关系是()
A.
Pt﹥Ps﹥Pi﹥P
B.
Pt﹤PS﹤PI﹤P
C.
Ps﹤PT﹤PI﹤P
D.
Pi﹤PT﹤PS﹤P
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【简答题】The following passage is a summary of Text A. fill in each blank, using words or phrases in the box below. force bench pr avoided spadeful incident ...
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