【多选题】现有CO 2 、O 2 、CO的混合气体9mL,在密闭容器中点爆炸后,恢复到原来温度和压强时,气体体积变为8mL,再将气体通过NaOH溶液,体积减少5mL.已知同温同压下,气体体积比等于其分子个数比.则原混合气体中CO 2 、O 2 、CO的体积比可能是( )
【简答题】Can you list some useful expressions related to check-in?
【简答题】Can you list some orders are included in Standard Ship Orders?
【单选题】钢筋束的制作工艺一般包括开盘冷拉、 ( )。
【简答题】Can you list some other impressive inventions in ancient China?
【简答题】Can you list some classification societies in the world?
【判断题】正直无私的品质有助于企业家作出有利于企业长远发展的决策。
【简答题】Can you list some examples of each category used in daily life?
【简答题】Can you list some countries that Amazon.com has business
in?