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氧化還原反應(yīng)方程式配平1

2022-01-27 15:18 作者:匆匆-cc  | 我要投稿

氧化還原專題1

? ? 例1.(基礎(chǔ)法)配平

%5Cce%7BCu%7D%2B%5Cce%7BHNO3%7D(%E7%A8%80)%5Cxlongequal%7B%5Cquad%7D%5Cce%7BCu(NO3)2%7D%2B%5Cce%7BNO%5E%7D%2B%5Cce%7BH2O%7D

%5Cce%7BCu%7D%2B%5Cce%7BHNO3%7D(%E6%B5%93)%5Cxlongequal%7B%5Cquad%7D%5Cce%7BCu(NO3)2%7D%2B%5Cce%7BNO2%7B%7D%5E%7D%2B%5Cce%7BH2O%7D

解:

????前者

%5Cce%7B%5Coverset%7B%5E%202%7D%7BCu%7D%7D%2B%5Cce%7BH%5Coverset%7Bv%203%7D%7BN%7DO3%7D(%E7%A8%80)%5Cxlongequal%7B%5Cquad%7D%5Cce%7BCu(NO3)2%7D%2B%5Cce%7BNO%5E%7D%2B%5Cce%7BH2O%7D

? ? ## 第一步:標(biāo)升降元素

%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B3%7D%7D%5Cce%7B%5Coverset%7B%5E%202%5Ctimes3%7D%7BCu%7D%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7BH%5Coverset%7Bv%203%5Ctimes2%7D%7BN%7DO3%7D(%E7%A8%80)%5Cxlongequal%7B%5Cquad%7D%5Cce%7BCu(NO3)2%7D%2B%5Cce%7BNO%5E%7D%2B%5Cce%7BH2O%7D

%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B3%7D%7D%5Cce%7B%5Coverset%7B%5E%202%5Ctimes3%7D%7BCu%7D%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7BH%5Coverset%7Bv%203%5Ctimes2%7D%7BN%7DO3%7D(%E7%A8%80)%5Cxlongequal%7B%5Cquad%7D%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B3%7D%7D%5Cce%7BCu(NO3)2%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7BNO%5E%7D%2B%5Cce%7BH2O%7D

????## 第二步:電子得失守恒確定系數(shù)

%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B3%7D%7D%5Cce%7B%5Coverset%7B%5E%202%5Ctimes3%7D%7BCu%7D%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B8%7D%7D%5Cce%7BH%5Coverset%7Bv%203%5Ctimes2%7D%7BN%7DO3%7D(%E7%A8%80)%5Cxlongequal%7B%5Cquad%7D%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B3%7D%7D%5Cce%7BCu(NO3)2%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7BNO%5E%7D%2B%5Cce%7BH2O%7D

????## 第三步:補充生成鹽消耗的部分

%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B3%7D%7D%5Cce%7B%5Coverset%7B%5E%202%5Ctimes3%7D%7BCu%7D%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B8%7D%7D%5Cce%7BH%5Coverset%7Bv%203%5Ctimes2%7D%7BN%7DO3%7D(%E7%A8%80)%5Cxlongequal%7B%5Cquad%7D%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B3%7D%7D%5Cce%7BCu(NO3)2%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7BNO%5E%7D%2B%5Ccolor%7Bgreen%7D%7B%5Ctextbf%7B4%7D%7D%5Cce%7BH2O%7D

????## 第四步:元素守恒定剩余元素

3%5Cce%7BCu%7D%2B8%5Cce%7BHNO3%7D(%E6%B5%93)%5Cxlongequal%7B%5Cquad%7D3%5Cce%7BCu(NO3)2%7D%2B2%5Cce%7BNO2%7B%7D%5E%7D%2B4%5Cce%7BH2O%7D

????同理,后者

%5Cce%7B%5Coverset%7B%5E%202%7D%7BCu%7D%7D%2B%5Cce%7BH%5Coverset%7Bv%201%7D%7BN%7DO3%7D(%E6%B5%93)%5Cxlongequal%7B%5Cquad%7D%5Cce%7BCu(NO3)2%7D%2B%5Cce%7BNO2%7B%7D%5E%7D%2B%5Cce%7BH2O%7D

%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cce%7B%5Coverset%7B%5E%202%5Ctimes1%7D%7BCu%7D%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7BH%5Coverset%7Bv%201%5Ctimes2%7D%7BN%7DO3%7D(%E6%B5%93)%5Cxlongequal%7B%5Cquad%7D%5Cce%7BCu(NO3)2%7D%2B%5Cce%7BNO2%7B%7D%5E%7D%2B%5Cce%7BH2O%7D

%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cce%7B%5Coverset%7B%5E%202%5Ctimes1%7D%7BCu%7D%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7BH%5Coverset%7Bv%201%5Ctimes2%7D%7BN%7DO3%7D(%E6%B5%93)%5Cxlongequal%7B%5Cquad%7D%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cce%7BCu(NO3)2%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7BNO2%7B%7D%5E%7D%2B%5Cce%7BH2O%7D

%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cce%7B%5Coverset%7B%5E%202%5Ctimes1%7D%7BCu%7D%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B4%7D%7D%5Cce%7BH%5Coverset%7Bv%201%5Ctimes2%7D%7BN%7DO3%7D(%E6%B5%93)%5Cxlongequal%7B%5Cquad%7D%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cce%7BCu(NO3)2%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7BNO2%7B%7D%5E%7D%2B%5Cce%7BH2O%7D

%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cce%7B%5Coverset%7B%5E%202%5Ctimes1%7D%7BCu%7D%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B4%7D%7D%5Cce%7BH%5Coverset%7Bv%201%5Ctimes2%7D%7BN%7DO3%7D(%E6%B5%93)%5Cxlongequal%7B%5Cquad%7D%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cce%7BCu(NO3)2%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7BNO2%7B%7D%5E%7D%2B%5Ccolor%7Bgreen%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7BH2O%7D

%5Cce%7BCu%7D%2B4%5Cce%7BHNO3%7D(%E6%B5%93)%5Cxlongequal%7B%5Cquad%7D%5Cce%7BCu(NO3)2%7D%2B2%5Cce%7BNO2%7B%7D%5E%7D%2B2%5Cce%7BH2O%7D

????## 這就是傳說中的

上聯(lián):38324

下聯(lián):14122

????例2.(基礎(chǔ)法)配平

%5Cce%7BMnO4-%7D%2B%5Cce%7BSO2%7D%2B%5Cce%7BH2O%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cce%7BMn%5E2%2B%7D%2B%5Cce%7BSO4%5E2-%7D%2B%5Cce%7BH%2B%7D

解:

%5Cce%7B%5Coverset%7Bv%205%7D%7BMn%7DO4-%7D%2B%5Cce%7B%5Coverset%7B%5E%202%7D%7BS%7DO2%7D%2B%5Cce%7BH2O%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cce%7BMn%5E2%2B%7D%2B%5Cce%7BSO4%5E2-%7D%2B%5Cce%7BH%2B%7D

????## 第一步:標(biāo)升降元素

%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7B%5Coverset%7Bv%205%5Ctimes%202%7D%7BMn%7DO4-%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7B%5Coverset%7B%5E%202%5Ctimes%205%7D%7BS%7DO2%7D%2B%5Cce%7BH2O%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cce%7BMn%5E2%2B%7D%2B%5Cce%7BSO4%5E2-%7D%2B%5Cce%7BH%2B%7D

%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7B%5Coverset%7Bv%205%5Ctimes%202%7D%7BMn%7DO4-%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7B%5Coverset%7B%5E%202%5Ctimes%205%7D%7BS%7DO2%7D%2B%5Cce%7BH2O%7D%5Cxlongequal%7B%5Cquad%7D%20%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7BMn%5E2%2B%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7BSO4%5E2-%7D%2B%5Cce%7BH%2B%7D

????## 第二步:電子得失守恒確定系數(shù)

%5Cunderbrace%7B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7B%5Coverset%7Bv%205%5Ctimes%202%7D%7BMn%7DO4-%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7B%5Coverset%7B%5E%202%5Ctimes%205%7D%7BS%7DO2%7D%2B%5Cce%7BH2O%7D%7D_%7B2e%5E-%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cunderbrace%7B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7BMn%5E2%2B%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7BSO4%5E2-%7D%7D_%7B6e%5E-%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B4%7D%7D%5Cce%7BH%2B%7D

????## 第三步:電荷守恒確定系數(shù)

%5Cunderbrace%7B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7B%5Coverset%7Bv%205%5Ctimes%202%7D%7BMn%7DO4-%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7B%5Coverset%7B%5E%202%5Ctimes%205%7D%7BS%7DO2%7D%2B%5Ccolor%7Bgreen%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7BH2O%7D%7D_%7B2e%5E-%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cunderbrace%7B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7BMn%5E2%2B%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7BSO4%5E2-%7D%7D_%7B6e%5E-%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B4%7D%7D%5Cce%7BH%2B%7D

????## 第四步:元素守恒確定剩余元素

2%5Cce%7BMnO4-%7D%2B5%5Cce%7BSO2%7D%2B2%5Cce%7BH2O%7D%5Cxlongequal%7B%5Cquad%7D%202%5Cce%7BMn%5E2%2B%7D%2B5%5Cce%7BSO4%5E2-%7D%2B4%5Cce%7BH%2B%7D

? ? 例3.(整體法)配平

%5Cce%7BKNO3%7D%2B%5Cce%7BC%7D%2B%5Cce%7BS%7D%20%5Cxlongequal%7B%E7%82%B9%E7%87%83%7D%5Cce%7BK2S%7D%2B%5Cce%7BNO2%7B%7D%5E%7D%2B%5Cce%7BCO2%7B%7D%5E%7D

解:

%5Cce%7B%5Cunderline%7BK%7DNO3%7D%2B%5Cce%7BC%7D%2B%5Cce%7B%5Cunderline%7BS%7D%7D%20%5Cce%5Cxlongequal%7B%E7%82%B9%E7%87%83%7D%5Ccolor%7Bred%7D%7B%5Cunderline%7B%5Cce%7BK2S%7D%7D%7D%2B%5Cce%7BNO2%7B%7D%5E%7D%2B%5Cce%7BCO2%7B%7D%5E%7D

%5Cce%7B2KNO3%5Ccdot%20S%7D%2B%5Cce%7BC%7D%5Cxlongequal%7B%E7%82%B9%E7%87%83%7D%5Cce%7BK2S%7D%2B%5Cce%7BNO2%7B%7D%5E%7D%2B%5Cce%7BCO2%7B%7D%5E%7D

????## 關(guān)鍵所在

2%5Cce%7BK%5Coverset%7Bv%201%5Ctimes2%7D%20%7BN%7DO3%5Ccdot%20%5Coverset%7Bv%202%5Ctimes1%7D%7BS%7D%7D%2B%5Cce%7B%5Coverset%7B%5E%204%7D%7BC%7D%7D%5Cxlongequal%7B%E7%82%B9%E7%87%83%7D%5Cce%7BK2S%7D%2B%5Cce%7BNO2%7B%7D%5E%7D%2B%5Cce%7BCO2%7B%7D%5E%7D

%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cquad2%5Cce%7BK%5Coverset%7Bv%20(1%5Ctimes2)%5Ctimes%201%7D%20%7BN%7DO3%5Ccdot%20%5Coverset%7Bv%20(2%5Ctimes1)%5Ctimes1%7D%7BS%7D%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cce%7B%5Coverset%7B%5E%20(4)%5Ctimes1%7D%7BC%7D%7D%5Cxlongequal%7B%E7%82%B9%E7%87%83%7D%5Cce%7BK2S%7D%2B%5Cce%7BNO2%7B%7D%5E%7D%2B%5Cce%7BCO2%7B%7D%5E%7D

%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cquad2%5Cce%7BK%5Coverset%7Bv%20(1%5Ctimes2)%5Ctimes%201%7D%20%7BN%7DO3%5Ccdot%20%5Coverset%7Bv%20(2%5Ctimes1)%5Ctimes1%7D%7BS%7D%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cce%7B%5Coverset%7B%5E%20(4)%5Ctimes1%7D%7BC%7D%7D%5Cxlongequal%7B%E7%82%B9%E7%87%83%7D%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cce%7BK2S%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7BNO2%7B%7D%5E%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cce%7BCO2%7B%7D%5E%7D

%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7BK%5Coverset%7Bv%20(1%5Ctimes2)%5Ctimes%201%7D%20%7BN%7DO3%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cce%7B%5Coverset%7Bv%20(2%5Ctimes1)%5Ctimes1%7D%7BS%7D%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cce%7B%5Coverset%7B%5E%20(4)%5Ctimes1%7D%7BC%7D%7D%5Cxlongequal%7B%E7%82%B9%E7%87%83%7D%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cce%7BK2S%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7BNO2%7B%7D%5E%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cce%7BCO2%7B%7D%5E%7D

2%5Cce%7BKNO3%7D%2B%5Cce%7BS%7D%2B%5Cce%7BC%7D%5Cxlongequal%7B%E7%82%B9%E7%87%83%7D%5Cce%7BK2S%7D%2B2%5Cce%7BNO2%7B%7D%5E%7D%2B%5Cce%7BCO2%7B%7D%5E%7D

????例3.(強定價態(tài)法)配平

%5Cce%7BFe3C%7D%2B%5Cce%7BHNO3(%E6%B5%93)%7D%20%5Cxlongequal%7B%5Cquad%7D%20%5Cce%7BFe(NO3)3%7D%2B%5Cce%7BCO2%20%5E%7D%2B%5Cce%7BNO2%20%5E%7D%2B%5Cce%7BH2O%7D

解:

%5Cce%7B%5Coverset%7B0%7D%7BFe3%7D%5Coverset%7B0%7D%7BC%7D%7D%2B%5Cce%7BHNO3(%E6%B5%93)%7D%20%5Cxlongequal%7B%5Cquad%7D%20%5Cce%7BFe(NO3)3%7D%2B%5Cce%7BCO2%20%5E%7D%2B%5Cce%7BNO2%20%5E%7D%2B%5Cce%7BH2O%7D

????## 強定價態(tài)

%5Cce%7B%5Coverset%7B%5E%203%5Ctimes%203%7D%7BFe3%7D%5Coverset%7B%5E%204%5Ctimes%201%7D%7BC%7D%7D%2B%5Cce%7BH%5Coverset%7Bv%201%7D%7BN%7DO3(%E6%B5%93)%7D%20%5Cxlongequal%7B%5Cquad%7D%20%5Cce%7BFe(NO3)3%7D%2B%5Cce%7BCO2%20%5E%7D%2B%5Cce%7BNO2%20%5E%7D%2B%5Cce%7BH2O%7D

%5Cce%7B%5Coverset%7B%5E%2013%7D%7BFe3C%7D%7D%2B%5Cce%7BH%5Coverset%7Bv%201%7D%7BN%7DO3(%E6%B5%93)%7D%20%5Cxlongequal%7B%5Cquad%7D%20%5Cce%7BFe(NO3)3%7D%2B%5Cce%7BCO2%20%5E%7D%2B%5Cce%7BNO2%20%5E%7D%2B%5Cce%7BH2O%7D

%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cce%7B%5Coverset%7B%5E%2013%5Ctimes%201%7D%7BFe3C%7D%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B13%7D%7D%5Cce%7BH%5Coverset%7Bv%201%5Ctimes%2013%7D%7BN%7DO3(%E6%B5%93)%7D%20%5Cxlongequal%7B%5Cquad%7D%20%5Cce%7BFe(NO3)3%7D%2B%5Cce%7BCO2%20%5E%7D%2B%5Cce%7BNO2%20%5E%7D%2B%5Cce%7BH2O%7D

%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cce%7B%5Coverset%7B%5E%2013%5Ctimes%201%7D%7BFe3C%7D%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B13%7D%7D%5Cce%7BH%5Coverset%7Bv%201%5Ctimes%2013%7D%7BN%7DO3(%E6%B5%93)%7D%20%5Cxlongequal%7B%5Cquad%7D%20%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B3%7D%7D%5Cce%7BFe(NO3)3%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cce%7BCO2%20%5E%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B13%7D%7D%5Cce%7BNO2%20%5E%7D%2B%5Cce%7BH2O%7D

%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cce%7B%5Coverset%7B%5E%2013%5Ctimes%201%7D%7BFe3C%7D%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B22%7D%7D%5Cce%7BH%5Coverset%7Bv%201%5Ctimes%2013%7D%7BN%7DO3(%E6%B5%93)%7D%20%5Cxlongequal%7B%5Cquad%7D%20%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B3%7D%7D%5Cce%7BFe(NO3)3%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cce%7BCO2%20%5E%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B13%7D%7D%5Cce%7BNO2%20%5E%7D%2B%5Cce%7BH2O%7D

%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cce%7B%5Coverset%7B%5E%2013%5Ctimes%201%7D%7BFe3C%7D%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B22%7D%7D%5Cce%7BH%5Coverset%7Bv%201%5Ctimes%2013%7D%7BN%7DO3(%E6%B5%93)%7D%20%5Cxlongequal%7B%5Cquad%7D%20%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B3%7D%7D%5Cce%7BFe(NO3)3%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B1%7D%7D%5Cce%7BCO2%20%5E%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B13%7D%7D%5Cce%7BNO2%20%5E%7D%2B%5Ccolor%7Bgreen%7D%7B%5Ctextbf%7B11%7D%7D%5Cce%7BH2O%7D

%5Cce%7BFe3C%7D%2B22%5Cce%7BHNO3(%E6%B5%93)%7D%20%5Cxlongequal%7B%5Cquad%7D%203%5Cce%7BFe(NO3)3%7D%2B%5Cce%7BCO2%20%5E%7D%2B13%5Cce%7BNO2%20%5E%7D%2B11%5Cce%7BH2O%7D

????????未知元素變價:定零價。

????????原理:

????????無論%5Cce%7BFe%7D、%5Cce%7BC%7D定為何價態(tài),只要設(shè)%5Cce%7BFe%7D%2Bx價,%5Cce%7BC%7D-3x價,都有%5Cce%7BFe3C%7D失去e%5E-3%5Ctimes%20(%2B3-x)%2B1%5Ctimes%20(%2B4-(-3x))%3D13個,與定的價態(tài)無關(guān)(其實這一點很顯然,否則一個物質(zhì)得失電子的數(shù)目就不是一個定值了),自洽。

? ? ? ?從物理的角度看,這就好比能量,我們并不在乎能量為多少,我們在乎的是能量的變化量,比如說對質(zhì)點而言,動能的變化量對應(yīng)合外力的做功,機械能的變化量對應(yīng)除重力以外合外力的做功。

????????從數(shù)學(xué)的角度看,這就好比積分常數(shù)C,在定積分中,積分常數(shù)并不影響最終結(jié)果。

????例4.(強定價態(tài)法)配平

%5Cce%7BK4%5BFe(CN)6%5D%7D%2B%5Cce%7BKMnO4%7D%2B%5Cce%7BH2SO4%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cce%7BKHSO4%7D%2B%5Cce%7BFe2(SO4)3%7D%2B%5Cce%7BMnSO4%7D%2B%5Cce%7BHNO3%7D%2B%5Cce%7BCO2%20%5E%7D%2B%5Cce%7BH2O%7D

解:

%5Cce%7B%5Coverset%7B0%7D%7BK4%7D%5B%5Coverset%7B0%7D%7BFe%7D(%5Coverset%7B0%7D%7BC%7D%5Coverset%7B0%7D%7BN%7D)6%5D%7D%2B%5Cce%7BKMnO4%7D%2B%5Cce%7BH2SO4%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cce%7BKHSO4%7D%2B%5Cce%7BFe2(SO4)3%7D%2B%5Cce%7BMnSO4%7D%2B%5Cce%7BHNO3%7D%2B%5Cce%7BCO2%20%5E%7D%2B%5Cce%7BH2O%7D

????## 強定價態(tài)

%5Cce%7B%5Coverset%7B%5E%201%5Ctimes%204%7D%7BK4%7D%5B%5Coverset%7B%5E%203%7D%7BFe%7D%5Coverset%7B%5E%20(4%2B5)%5Ctimes%206%7D%7B(CN)6%7D%5D%7D%2B%5Cce%7BK%5Coverset%7Bv%205%7D%7BMn%7DO4%7D%2B%5Cce%7BH2SO4%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cce%7BKHSO4%7D%2B%5Cce%7BFe2(SO4)3%7D%2B%5Cce%7BMnSO4%7D%2B%5Cce%7BHNO3%7D%2B%5Cce%7BCO2%20%5E%7D%2B%5Cce%7BH2O%7D

%5Cce%7B%5Coverset%7B%5E%2061%7D%7BK4%5BFe(CN)6%5D%7D%7D%2B%5Cce%7BK%5Coverset%7Bv%205%7D%7BMn%7DO4%7D%2B%5Cce%7BH2SO4%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cce%7BKHSO4%7D%2B%5Cce%7BFe2(SO4)3%7D%2B%5Cce%7BMnSO4%7D%2B%5Cce%7BHNO3%7D%2B%5Cce%7BCO2%20%5E%7D%2B%5Cce%7BH2O%7D

%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7B%5Coverset%7B%5E%2061%5Ctimes%205%7D%7BK4%5BFe(CN)6%5D%7D%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B61%7D%7D%5Cce%7BK%5Coverset%7Bv%205%5Ctimes%2061%7D%7BMn%7DO4%7D%2B%5Cce%7BH2SO4%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cce%7BKHSO4%7D%2B%5Cce%7BFe2(SO4)3%7D%2B%5Cce%7BMnSO4%7D%2B%5Cce%7BHNO3%7D%2B%5Cce%7BCO2%20%5E%7D%2B%5Cce%7BH2O%7D

%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7B%5Coverset%7B%5E%2061%5Ctimes%205%7D%7BK4%5BFe(CN)6%5D%7D%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B61%7D%7D%5Cce%7BK%5Coverset%7Bv%205%5Ctimes%2061%7D%7BMn%7DO4%7D%2B%5Cce%7BH2SO4%7D%5Cxlongequal%7B%5Cquad%7D%20%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B81%7D%7D%5Cce%7BKHSO4%7D%2B%5Ccolor%7Bblue%7D%7B%5Cmathbf%7B%5Cfrac%7B5%7D%7B2%7D%7D%7D%5Cce%7BFe2(SO4)3%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B61%7D%7D%5Cce%7BMnSO4%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B30%7D%7D%5Cce%7BHNO3%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B30%7D%7D%5Cce%7BCO2%20%5E%7D%2B%5Cce%7BH2O%7D

%5Ccolor%7Bred%7D%7B%5Ctextbf%7B10%7D%7D%5Cce%7B%5Coverset%7B%5E%2061%5Ctimes%205%7D%7BK4%5BFe(CN)6%5D%7D%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B122%7D%7D%5Cce%7BK%5Coverset%7Bv%205%5Ctimes%2061%7D%7BMn%7DO4%7D%2B%5Cce%7BH2SO4%7D%5Cxlongequal%7B%5Cquad%7D%20%5Ccolor%7Bred%7D%7B%5Ctextbf%7B162%7D%7D%5Cce%7BKHSO4%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7BFe2(SO4)3%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B122%7D%7D%5Cce%7BMnSO4%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B60%7D%7D%5Cce%7BHNO3%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B60%7D%7D%5Cce%7BCO2%20%5E%7D%2B%5Cce%7BH2O%7D

????## 電子得失守恒確定系數(shù)

%5Ccolor%7Bred%7D%7B%5Ctextbf%7B10%7D%7D%5Cce%7B%5Coverset%7B%5E%2061%5Ctimes%205%7D%7BK4%5BFe(CN)6%5D%7D%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B122%7D%7D%5Cce%7BK%5Coverset%7Bv%205%5Ctimes%2061%7D%7BMn%7DO4%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B299%7D%7D%5Cce%7BH2SO4%7D%5Cxlongequal%7B%5Cquad%7D%20%5Ccolor%7Bred%7D%7B%5Ctextbf%7B162%7D%7D%5Cce%7BKHSO4%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7BFe2(SO4)3%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B122%7D%7D%5Cce%7BMnSO4%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B60%7D%7D%5Cce%7BHNO3%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B60%7D%7D%5Cce%7BCO2%20%5E%7D%2B%5Cce%7BH2O%7D

%5Ccolor%7Bred%7D%7B%5Ctextbf%7B10%7D%7D%5Cce%7B%5Coverset%7B%5E%2061%5Ctimes%205%7D%7BK4%5BFe(CN)6%5D%7D%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B122%7D%7D%5Cce%7BK%5Coverset%7Bv%205%5Ctimes%2061%7D%7BMn%7DO4%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B299%7D%7D%5Cce%7BH2SO4%7D%5Cxlongequal%7B%5Cquad%7D%20%5Ccolor%7Bred%7D%7B%5Ctextbf%7B162%7D%7D%5Cce%7BKHSO4%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7BFe2(SO4)3%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B122%7D%7D%5Cce%7BMnSO4%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B60%7D%7D%5Cce%7BHNO3%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B60%7D%7D%5Cce%7BCO2%20%5E%7D%2B%5Ccolor%7Bgreen%7D%7B%5Ctextbf%7B188%7D%7D%5Cce%7BH2O%7D

10%5Cce%7BK4%5BFe(CN)6%5D%7D%2B122%5Cce%7BKMnO4%7D%2B299%5Cce%7BH2SO4%7D%5Cxlongequal%7B%5Cquad%7D%20162%5Cce%7BKHSO4%7D%2B5%5Cce%7BFe2(SO4)3%7D%2B122%5Cce%7BMnSO4%7D%2B60%5Cce%7BHNO3%7D%2B60%5Cce%7BCO2%20%5E%7D%2B188%5Cce%7BH2O%7D

????例5.(離子方程式的優(yōu)越性)配平

%5Cce%7BFeS2%7D%2B%5Cce%7BH2O%7D%2B%5Cce%7BCuSO4%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cce%7BCu2S%7D%2B%5Cce%7BFeSO4%7D%2B%5Cce%7BH2SO4%7D

解:

%5Cce%7BFeS2%7D%2B%5Cce%7BH2O%7D%2B%5Cce%7BCu%5E2%2B%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cce%7BCu2S%7D%2B%5Cce%7BFe%5E2%2B%7D%2B%5Cce%7BH%2B%7D%2B%5Cce%7BSO4%5E2-%7D

????## 改寫為離子方程式,避免區(qū)分S的去處

%5Cce%7B%5Coverset%7B%2B2%7D%7BFe%7D%5Coverset%7B-1%7D%7BS2%7D%7D%2B%5Cce%7BH2O%7D%2B%5Cce%7BCu%5E2%2B%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cce%7B%5Coverset%7B%2B2%7D%7BCu2%7D%5Coverset%7B-4%7D%7BS%7D%7D%2B%5Cce%7BFe%5E2%2B%7D%2B%5Cce%7BH%2B%7D%2B%5Cce%7B%5Coverset%7B%2B6%7D%7BS%7DO4%5E2-%7D

????## 強定價態(tài)

%5Cce%7BFe%5Coverset%7B-1%7D%7BS2%7D%7D%2B%5Cce%7BH2O%7D%2B%5Cce%7BCu%5E2%2B%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cce%7BCu2%5Coverset%7Bv%203%7D%7BS%7D%7D%2B%5Cce%7BFe%5E2%2B%7D%2B%5Cce%7BH%2B%7D%2B%5Cce%7B%5Coverset%7B%5E%207%7D%7BS%7DO4%5E2-%7D

%5Cce%7BFe%5Coverset%7B-1%7D%7BS2%7D%7D%2B%5Cce%7BH2O%7D%2B%5Cce%7BCu%5E2%2B%7D%5Cxlongequal%7B%5Cquad%7D%20%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B7%7D%7D%5Cce%7BCu2%5Coverset%7Bv%203%5Ctimes%207%7D%7BS%7D%7D%2B%5Cce%7BFe%5E2%2B%7D%2B%5Cce%7BH%2B%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B3%7D%7D%5Cce%7B%5Coverset%7B%5E%207%5Ctimes%203%7D%7BS%7DO4%5E2-%7D

%5Cce%7BFe%5Coverset%7B-1%7D%7BS2%7D%7D%2B%5Cce%7BH2O%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B14%7D%7D%5Cce%7BCu%5E2%2B%7D%5Cxlongequal%7B%5Cquad%7D%20%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B7%7D%7D%5Cce%7BCu2%5Coverset%7Bv%203%5Ctimes%207%7D%7BS%7D%7D%2B%5Cce%7BFe%5E2%2B%7D%2B%5Cce%7BH%2B%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B3%7D%7D%5Cce%7B%5Coverset%7B%5E%207%5Ctimes%203%7D%7BS%7DO4%5E2-%7D

%5Ccolor%7Bred%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7BFe%5Coverset%7B-1%7D%7BS2%7D%7D%2B%5Cce%7BH2O%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B14%7D%7D%5Cce%7BCu%5E2%2B%7D%5Cxlongequal%7B%5Cquad%7D%20%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B7%7D%7D%5Cce%7BCu2%5Coverset%7Bv%203%5Ctimes%207%7D%7BS%7D%7D%2B%5Cce%7BFe%5E2%2B%7D%2B%5Cce%7BH%2B%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B3%7D%7D%5Cce%7B%5Coverset%7B%5E%207%5Ctimes%203%7D%7BS%7DO4%5E2-%7D

%5Ccolor%7Bred%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7BFe%5Coverset%7B-1%7D%7BS2%7D%7D%2B%5Cce%7BH2O%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B14%7D%7D%5Cce%7BCu%5E2%2B%7D%5Cxlongequal%7B%5Cquad%7D%20%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B7%7D%7D%5Cce%7BCu2%5Coverset%7Bv%203%5Ctimes%207%7D%7BS%7D%7D%2B%5Ccolor%7Bbrown%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7BFe%5E2%2B%7D%2B%5Cce%7BH%2B%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B3%7D%7D%5Cce%7B%5Coverset%7B%5E%207%5Ctimes%203%7D%7BS%7DO4%5E2-%7D

? ? ## 元素守恒

%5Cunderbrace%7B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7BFe%5Coverset%7B-1%7D%7BS2%7D%7D%2B%5Cce%7BH2O%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B14%7D%7D%5Cce%7BCu%5E2%2B%7D%7D_%7B-28e%5E-%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cunderbrace%7B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B7%7D%7D%5Cce%7BCu2%5Coverset%7Bv%203%5Ctimes%207%7D%7BS%7D%7D%2B%5Ccolor%7Bbrown%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7BFe%5E2%2B%7D%2B%5Ccolor%7Bskyblue%7D%7B%5Ctextbf%7B24%7D%7D%5Cce%7BH%2B%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B3%7D%7D%5Cce%7B%5Coverset%7B%5E%207%5Ctimes%203%7D%7BS%7DO4%5E2-%7D%7D_%7B-28e%5E-%7D

????## 電荷守恒

%5Cunderbrace%7B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7BFe%5Coverset%7B-1%7D%7BS2%7D%7D%2B%5Ccolor%7Bgreen%7D%7B%5Ctextbf%7B12%7D%7D%5Cce%7BH2O%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B14%7D%7D%5Cce%7BCu%5E2%2B%7D%7D_%7B-28e%5E-%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cunderbrace%7B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B7%7D%7D%5Cce%7BCu2%5Coverset%7Bv%203%5Ctimes%207%7D%7BS%7D%7D%2B%5Ccolor%7Bbrown%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7BFe%5E2%2B%7D%2B%5Ccolor%7Bskyblue%7D%7B%5Ctextbf%7B24%7D%7D%5Cce%7BH%2B%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B3%7D%7D%5Cce%7B%5Coverset%7B%5E%207%5Ctimes%203%7D%7BS%7DO4%5E2-%7D%7D_%7B-28e%5E-%7D

????## 元素守恒

5%5Cce%7BFeS2%7D%2B12%5Cce%7BH2O%7D%2B14%5Cce%7BCu%5E2%2B%7D%5Cxlongequal%7B%5Cquad%7D%207%5Cce%7BCu2S%7D%2B5%5Cce%7BFe%5E2%2B%7D%2B24%5Cce%7BH%2B%7D%2B3%5Cce%7BSO4%5E2-%7D

5%5Cce%7BFeS2%7D%2B12%5Cce%7BH2O%7D%2B14%5Cce%7BCuSO4%7D%5Cxlongequal%7B%5Cquad%7D%207%5Cce%7BCu2S%7D%2B5%5Cce%7BFeSO4%7D%2B12%5Cce%7BH2SO4%7D

????例6.(強定價態(tài)法一個注意點)配平

%5Cce%7BMnO4-%7D%2B%5Cce%7BSCN-%7D%2B%5Cce%7BH%2B%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cce%7BMn%5E2%2B%7D%2B%5Cce%7BSO4%5E2-%7D%2B%5Cce%7BCO2%20%5E%7D%2B%5Cce%7BN2%20%5E%7D%2B%5Cce%7BH2O%7D

解:

%5Cce%7BMnO4-%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7B%5Coverset%7B0%7D%7BS%7D%5Coverset%7B0%7D%7BC%7D%5Coverset%7B-1%7D%7BN%7D%7B%7D%5E%7B-%7D%7D%2B%5Cce%7BH%2B%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cce%7BMn%5E2%2B%7D%2B%5Cce%7BSO4%5E2-%7D%2B%5Cce%7BCO2%20%5E%7D%2B%5Ccolor%7Bred%7D%7B%5Cce%7BN2%20%5E%7D%7D%2B%5Cce%7BH2O%7D

????## 強定價態(tài)

????## 注意:此處%5Ccolor%7Bred%7D%7B%5Cce%7BSCN-%7D%7D一定不能全部標(biāo)成0價,否則會配平錯誤!

? ? ? ? 可嘗試以下標(biāo)法:

????????????%5Cbegin%7Bmatrix%7D%0A%5Ccolor%7Bred%7D%7B%5Cce%7BS%7D%7D%20%26%20%5Ccolor%7Bred%7D%7B%5Cce%7BC%7D%7D%20%26%20%5Ccolor%7Bred%7D%7B%5Cce%7BN%7D%7D%5C%5C%0A%5Ccolor%7Bred%7D%7B-1%7D%20%26%20%5Ccolor%7Bred%7D%7B0%7D%20%26%20%5Ccolor%7Bred%7D%7B0%7D%5C%5C%0A%5Ccolor%7Bred%7D%7B0%7D%20%26%20%5Ccolor%7Bred%7D%7B-1%7D%20%26%20%5Ccolor%7Bred%7D%7B0%7D%5C%5C%0A%5Ccolor%7Bred%7D%7B0%7D%20%26%20%5Ccolor%7Bred%7D%7B0%7D%20%26%20%5Ccolor%7Bred%7D%7B-1%7D%0A%5Cend%7Bmatrix%7D

%5Cce%7B%5Coverset%7Bv%205%7D%7BMn%7DO4-%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7B%5Coverset%7B%5E%206%5Ctimes%202%7D%7BS%7D%5Coverset%7B%5E%204%5Ctimes%202%7D%7BC%7D%5Coverset%7B%5E%201%5Ctimes%202%7D%7BN%7D%7B%7D%5E%7B-%7D%7D%2B%5Cce%7BH%2B%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cce%7BMn%5E2%2B%7D%2B%5Cce%7BSO4%5E2-%7D%2B%5Cce%7BCO2%20%5E%7D%2B%5Cce%7BN2%20%5E%7D%2B%5Cce%7BH2O%7D

%5Cce%7B%5Coverset%7Bv%205%7D%7BMn%7DO4-%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B2%7D%7D%5Cce%7B%5Coverset%7B%5E%2022%7D%7BSCN%7B%7D%5E%7B-%7D%7D%7D%2B%5Cce%7BH%2B%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cce%7BMn%5E2%2B%7D%2B%5Cce%7BSO4%5E2-%7D%2B%5Cce%7BCO2%20%5E%7D%2B%5Cce%7BN2%20%5E%7D%2B%5Cce%7BH2O%7D

%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B22%7D%7D%5Cce%7B%5Coverset%7Bv%205%5Ctimes%2022%7D%7BMn%7DO4-%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B10%7D%7D%5Cce%7B%5Coverset%7B%5E%2022%5Ctimes%205%7D%7BSCN%7B%7D%5E%7B-%7D%7D%7D%2B%5Cce%7BH%2B%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cce%7BMn%5E2%2B%7D%2B%5Cce%7BSO4%5E2-%7D%2B%5Cce%7BCO2%20%5E%7D%2B%5Cce%7BN2%20%5E%7D%2B%5Cce%7BH2O%7D

%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B22%7D%7D%5Cce%7B%5Coverset%7Bv%205%5Ctimes%2022%7D%7BMn%7DO4-%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B10%7D%7D%5Cce%7B%5Coverset%7B%5E%2022%5Ctimes%205%7D%7BSCN%7B%7D%5E%7B-%7D%7D%7D%2B%5Cce%7BH%2B%7D%5Cxlongequal%7B%5Cquad%7D%20%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B22%7D%7D%5Cce%7BMn%5E2%2B%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B10%7D%7D%5Cce%7BSO4%5E2-%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B10%7D%7D%5Cce%7BCO2%20%5E%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7BN2%20%5E%7D%2B%5Cce%7BH2O%7D

%5Cunderbrace%7B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B22%7D%7D%5Cce%7B%5Coverset%7Bv%205%5Ctimes%2022%7D%7BMn%7DO4-%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B10%7D%7D%5Cce%7B%5Coverset%7B%5E%2022%5Ctimes%205%7D%7BSCN%7B%7D%5E%7B-%7D%7D%7D%7D_%7B32e%5E-%7D%2B%5Cce%7BH%2B%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cunderbrace%7B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B22%7D%7D%5Cce%7BMn%5E2%2B%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B10%7D%7D%5Cce%7BSO4%5E2-%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B10%7D%7D%5Cce%7BCO2%20%5E%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7BN2%20%5E%7D%2B%5Cce%7BH2O%7D%7D_%7B-24e%5E-%7D

????## 電荷守恒

%5Cunderbrace%7B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B22%7D%7D%5Cce%7B%5Coverset%7Bv%205%5Ctimes%2022%7D%7BMn%7DO4-%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B10%7D%7D%5Cce%7B%5Coverset%7B%5E%2022%5Ctimes%205%7D%7BSCN%7B%7D%5E%7B-%7D%7D%7D%7D_%7B32e%5E-%7D%2B%5Ccolor%7Bskyblue%7D%7B%5Ctextbf%7B56%7D%7D%5Cce%7BH%2B%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cunderbrace%7B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B22%7D%7D%5Cce%7BMn%5E2%2B%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B10%7D%7D%5Cce%7BSO4%5E2-%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B10%7D%7D%5Cce%7BCO2%20%5E%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7BN2%20%5E%7D%2B%5Cce%7BH2O%7D%7D_%7B-24e%5E-%7D

%5Cunderbrace%7B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B22%7D%7D%5Cce%7B%5Coverset%7Bv%205%5Ctimes%2022%7D%7BMn%7DO4-%7D%2B%5Ccolor%7Bred%7D%7B%5Ctextbf%7B10%7D%7D%5Cce%7B%5Coverset%7B%5E%2022%5Ctimes%205%7D%7BSCN%7B%7D%5E%7B-%7D%7D%7D%7D_%7B32e%5E-%7D%2B%5Ccolor%7Bskyblue%7D%7B%5Ctextbf%7B56%7D%7D%5Cce%7BH%2B%7D%5Cxlongequal%7B%5Cquad%7D%20%5Cunderbrace%7B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B22%7D%7D%5Cce%7BMn%5E2%2B%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B10%7D%7D%5Cce%7BSO4%5E2-%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B10%7D%7D%5Cce%7BCO2%20%5E%7D%2B%5Ccolor%7Bblue%7D%7B%5Ctextbf%7B5%7D%7D%5Cce%7BN2%20%5E%7D%2B%5Ccolor%7Bgreen%7D%7B%5Ctextbf%7B28%7D%7D%5Cce%7BH2O%7D%7D_%7B-24e%5E-%7D

22%5Cce%7BMnO4-%7D%2B10%5Cce%7BSCN-%7D%2B56%5Cce%7BH%2B%7D%5Cxlongequal%7B%5Cquad%7D%2022%5Cce%7BMn%5E2%2B%7D%2B10%5Cce%7BSO4%5E2-%7D%2B10%5Cce%7BCO2%20%5E%7D%2B5%5Cce%7BN2%20%5E%7D%2B28%5Cce%7BH2O%7D

????????撰稿于2020.09.15

????????重寫于2022.01.26-2022.01.27

????????篇幅有限,請看后文。

????????大概原因是初中編寫過這么一個文件,也沒檢驗過有些對不對,現(xiàn)在回過頭來看要整理一遍,卻又沒那么多空閑。

????????本文碼字真的不易,可能有打錯,諸君且行且珍惜。

? ? ? ??后續(xù)在何時看心情(bu shi)。

氧化還原反應(yīng)方程式配平1的評論 (共 條)

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