0  19936  19944  19950  19954  19960  19962  19966  19972  19974  19980  19986  19990  19992  19996  20002  20004  20010  20014  20016  20020  20022  20026  20028  20030  20031  20032  20034  20035  20036  20038  20040  20044  20046  20050  20052  20056  20062  20064  20070  20074  20076  20080  20086  20092  20094  20100  20104  20106  20112  20116  20122  20130  447090 

23.【实验验证】

实验一:说明                                                             

                                                                        

实验二:说明                                                            

                                                                      

实验三:说明                                                            

                                                                       

【反思评价】探究                                                           

                                                                      

【拓展】                                                                   

五、计算题(本题包括2小题,共16分)。请把下列各题的正确答案写在下列对应的地方。

试题详情

22.(1)a           ,b           

                                                                    

(2)                                                                      

                                                                     

(3)                                                           

(4)                                                          

(5)                   

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21.(1)甲             ,乙                       

(2)写出图中①②③反应的化学方程式:

                                    

                                    

                                     

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20.(1)               

(2)②                                         

(3)                                          

(4)                              

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19.(1)                                              

   (2)                          

    (3)                        

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18.(1)                                        

    (2)                                                                    

(3)                                                                    

(4)                                                                    

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17.(1)x=_____________, y=_____________

(2)             ;(3)               ;(4)               ;(5)            

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16.(1)               ;(2)               ;(3)                

(4)               ;(5)               ;(6)                

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15.(1)  ①              ;     ②               

(2)  ①                                ;②                           

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3、本卷可能用到的相对原子质量:H-1  C-12  O-16  -35.5   -40

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答案                                         

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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