Em tham khảo!

Đáp án+Giải thích các bước giải:

*Than: $C$

*Photpho: $P$

*Lưu huỳnh: $S$

*Sắt,kẽm,Magie: $Fe/Zn/Mg$

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1) $C+O_2$ $\xrightarrow{t^o}$ $CO_2$

2) $4P+5O_2$ $\xrightarrow{t^o}$ $2P_2O_5$

3) $S+O_2$ $\xrightarrow{t^o}$ $SO_2$

4) $3Fe+2O_2$ $\xrightarrow{t^o}$ $Fe_3O_4$

$2Fe+O_2$ $\xrightarrow{t^o}$ $2FeO$

$4Fe+3O_2$ $\xrightarrow{t^o}$ $2Fe_2O_3$

5) $Zn+O_2$ $\xrightarrow{t^o}$ $2ZnO$

6) $2Mg+O_2$ $\xrightarrow{t^o}$ $2MgO$

7) $CH_4+2O_2$ $\xrightarrow{t^o}$ $CO_2+2H_2O$

8) $C_2H_6O+3O_2$ $\xrightarrow{t^o}$ $2CO_2+3H_2O$

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$1,2,3$: Phi kim+Oxi $\xrightarrow{t^o}$ Oxit Axit

$4,5,6$ Kim loại+Oxi $\xrightarrow{t^o}$ Oxit Bazo

$7)$ PTHH tổng quát: $C_nH_{2n+2}$ $+$ $\dfrac{3n+1}{2}O_2$ $\xrightarrow{t^o}$ $nCO_2+(n+1)H_2O$

$8)$ PTHH tổng quát: $2C_nH_{2n+1}OH+3nO_2$ $\xrightarrow{t^o}$ $2nCO_2+2(n+1)H_2O$

Đáp án `+` Giải thích các bước giải:

`C+O_2overset(t^o)(->)CO_2↑`

`4P+5O_2overset(t^o)(->)2P_2O_5`

`S+O_2overset(t^o)(->)SO_2`

`2Zn+O_2overset(t^o)(->)2ZnO`

`2Mg+O_2overset(t^o)(->)2MgO`

`CH_4+2O_2overset(t^o)(->)CO_2+2H_2O`

`C_2H_6O+3O_2overset(t^o)(->)2CO_2+3H_2O`