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a. Đọc tên và phân loại các oxit sau:
1) ALO sai chất
, 2. SO, sai chất
3) FeO sắt 2 oxi : oxit bazo
4. CuO đồng 2 oxit : oxit bazo
5. SO, sai chất
6. ВаО bari oxit :oxit bazo
7.СО, cacbon oxit : oxit trung tính
8. Κ.Ο sai chất
9. FeO sắt 2 oxit : oxit bazo
10. NO,: nito oxit : oxit trung tính
![](https://rs.olm.vn/images/avt/0.png?1311)
CTHH | Phân Loại | Gọi tên |
\(HCl\) | Axit | Axit clohiđric |
\(KH_2PO_4\) | Muối | Kali photphat |
\(Zn\left(OH\right)_2\) | Bazơ | Kẽm hiđroxit |
\(Fe\left(NO_3\right)_2\) | Muối | Săt(II) nitrat |
\(CuSO_4\) | Muối | Đồng sunphat |
\(HNO_3\) | Axit | Axit nitric |
\(H_2SO_3\) | Axit | Axit sunfurơ |
\(KOH\) | Bazơ | Kali Hiđroxit |
\(Fe\left(OH\right)_2\) | Bazơ | Sắt(II) hiđroxit |
\(CaCO_3\) | Muối | Canxi cacbonat |
![](https://rs.olm.vn/images/avt/0.png?1311)
1. Axit photphoric
2. Nhôm hidroxit
3. Sắt (III) Sunfat
4. Natri dihidrophotphat
5. Sắt (III) clorua
6. Magie nitrat
7. Canxi hidrocacbonat
8. Kali hidrosunfat
9. Sắt (III) hidroxit
10. Axit bromhidric
![](https://rs.olm.vn/images/avt/0.png?1311)
1)4P+5O2-to>....2P2O5...
2)C+O2-to>......CO2.
3)S+O2-to>........SO2
4)4Al+3O2-to>.....2.Al2O3.
5)3Fe+2O2-to>...Fe3O4.....
6)2Zn+O2-to>...2ZnO......
7)Ag+O2->.......kopu....
8)2Mg+O2-to>.....2MgO....
9)4Na+O2-to>.....2Na2O...
10)2KMnO4-to>.........K2MnO4+MnO2+O2.........
11)2KNO3-to>...2..KNO2+O2...
12)2KClO3-to>....2KCl+3O2.....
13)CH4+2O2-to>......CO2+2H2O..
14)C3H6+\(\dfrac{9}{2}\)O2-to>..3..CO2+3H2O..
15)C6H6+\(\dfrac{15}{2}\)O2-to>..6.CO2+3H2O.....
1)4P+5O2->....2P2O5...
2)C+O2->......CO2.
3)S+O2->........SO2
4)4Al+3O2->.....2.Al2O3.
5)3Fe+2O2->...Fe3O4.....
6)2Zn+O2->...2ZnO......
7)Ag+O2->.......kopu....
8)2Mg+O2->.....2MgO....
9)4Na+O2->.....2Na2O...
10)2KMnO4-to>.........K2MnO4+MnO2+O2.........
11)2KNO3-to>...2..KNO2+O2...
12)2KClO3-to>....2KCl+3O2.....
13)CH4+2O2-to>......CO2+2H2O..
14)C3H6+\(\dfrac{9}{2}\)O2-to>..3..CO2+3H2O..
15)C6H6+\(\dfrac{15}{2}\)O2-to>..6.CO2+3H2O.....
![](https://rs.olm.vn/images/avt/0.png?1311)
Bạn tự chỉ ra tỉ lệ số nguyên tử, phân tử các chất trong pư nhé!
1. \(4Na+O_2\underrightarrow{t^o}2Na_2O\)
2. \(4Al+3O_2\underrightarrow{t^o}2Al_2O_3\)
3. \(2Fe+3Cl_2\underrightarrow{t^o}2FeCl_3\)
4. \(P_2O_5+3H_2O\rightarrow2H_3PO_4\)
5. \(2Fe\left(OH\right)_3\underrightarrow{t^o}Fe_2O_3+3H_2O\)
6. \(2KClO_3\underrightarrow{t^o}2KCl+3O_2\)
7. \(Mg+2HCl\rightarrow MgCl_2+H_2\)
8. \(Fe_2O_3+6HCl\rightarrow2FeCl_3+3H_2O\)
9. \(2Al+6HCl\rightarrow2AlCl_3+3H_2\)
10. \(C_2H_6+\dfrac{7}{2}O_2\underrightarrow{t^o}2CO_2+3H_2O\)
11. \(BaCl_2+2AgNO_3\rightarrow Ba\left(NO_3\right)_2+2AgCl_{\downarrow}\)
12. \(Al_2\left(SO_4\right)_3+3Ba\left(OH\right)_2\rightarrow2Al\left(OH\right)_{3\downarrow}+3BaSO_{4\downarrow}\)
13. \(Cu+2H_2SO_{4\left(đ\right)}\underrightarrow{t^o}CuSO_4+SO_2+2H_2O\)
14. \(8Al+3Fe_3O_4\underrightarrow{t^o}4Al_2O_3+9Fe\)
15. \(Fe_2O_3+3CO\underrightarrow{t^o}2Fe+3CO_2\)
16. \(Fe_3O_4+4CO\underrightarrow{t^o}3Fe+4CO_2\)
17. (giống PT 10)
18. \(C_4H_8+6O_2\underrightarrow{t^o}4CO_2+4H_2O\)
19. \(C_2H_2+\dfrac{5}{2}O_2\underrightarrow{t^o}2CO_2+H_2O\)
20. \(MnO_2+4HCl_{\left(đ\right)}\underrightarrow{t^o}MnCl_2+Cl_2+2H_2O\)
Bạn tham khảo nhé!
\((1)4Na+O_2\xrightarrow{t^o}2Na_2O\\ (2)4Al+3O_2\xrightarrow{t^o}2Al_2O_3\\ (3)2Fe+3Cl_2\xrightarrow{t^o}2FeCl_3\\ (4)P_2O_5+3H_2O\to 2H_3PO_4\\ (5)2Fe(OH)_3\xrightarrow{t^o}Fe_2O_3+3H_2O\\ (6)2KClO_3\xrightarrow[MnO_2]{t^o}2KCl+3O_2\\ (7)Mg+2HCl\to MgCl_2+H_2\\ (8)Fe_2O_3+6HCl\to 2FeCl_3+3H_2O\\ (9)2Al+6HCl\to 2AlCl_3+3H_2\\ (10)2C_2H_6+7O_2\to 6H_2O+4CO_2\\ (11)BaCl_2+AgNO_3\to Ba(NO_3)_2+AgCl\downarrow\)
\((12)Al_2(SO_4)_3+3Ba(OH)_2\to 3BaSO_4\downarrow+2Al_2(SO_4)_3\\ (13)Cu+2H_2SO_{4(đ)}\xrightarrow{t^o}CuSO_4+2H_2O+SO_2\uparrow\\ (14)8Al+3Fe_3O_4\to 4Al_2O_3+9Fe\\ (15)Fe_2O_3+2CO\xrightarrow{t^o}2Fe+3CO_2\\ (16)Fe_3O_4+4CO\xrightarrow{t^o}3Fe+4CO_2\\ (17)2C_2H_6+7O_2\to 4CO_2+6H_2O\\ (18)C_4H_8+6O_2\xrightarrow{t^o}4CO_2+4H_2O\\ (20)MnO_2+4HCl\xrightarrow{t^o}MnCl_2+Cl_2+2H_2O\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(1) Cu + 2AgNO_3 \rightarrow Cu(NO_3)_2 + 2Ag \downarrow\\ 2) Fe + 2HCl \rightarrow FeCl_2 + H_2 \uparrow\\ 3) Na_2O + H_2O \rightarrow 2NaOH\\ 4) CuO + 2HCl \rightarrow CuCl_2 + H_2O\\ 5) 2Al + 3H_2SO_4 \rightarrow Al_2(SO_4)_3 + 3H_2 \uparrow\\ 6) Mg + CuCl_2 \rightarrow MgCl_2 + Cu \downarrow\\ 7) CaO + CO_2 \xrightarrow{t^o} CaCO_3\\ 8) HCl + NaOH \rightarrow NaCl + H_2O\\ 9) Fe+ CuSO_4 \rightarrow FeSO_4 + Cu \downarrow\\ 10) 2K + 2H_2O \rightarrow 2KOH + H_2 \uparrow\)
\(11) SO_2 + H_2O \rightarrow H_2SO_3 \\ 12) N_2O_5 + H_2O \rightarrow 2HNO_3\\ 13) CaO + H_2O \rightarrow Ca(OH)_2\\ 14) Ba + 2H_2O \rightarrow Ba(OH)_2 + H_2 \uparrow\\ 15) SO_3 + H_2O \rightarrow H_2SO_4\\ 16) CO_2 + H_2O \rightarrow H_2CO_3\\ 17) 2Na + 2H_2O \rightarrow 2NaOH + H_2 \uparrow\\ 18) NaOH + HCl \rightarrow NaCl + H_2O\\ 19) Na_2SO_4 + BaCl_2 \rightarrow BaSO_4 \downarrow + 2NaCl\\ 20) 6Na + 2H_3PO_4 \rightarrow 2Na_3PO_4 + 3H_2 \uparrow\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(1.M_{MgCl_2}=24+35,5\cdot2=95g/mol\\ 2.M_{BaCO_3}=137+12+16\cdot3=197g/mol\\ 3.M_{Cr_2O_7}=52\cdot2+16\cdot7=216g/mol\\ 4.M_{KMnO_4}=39+55+16\cdot4=158g/mol\\ 5.M_{Fe_2\left(SO_4\right)_3}=56\cdot2+\left(32+16\cdot4\right)\cdot3=400g/mol\\ 6M_{Al\left(OH\right)_3}=27+\left(16+1\right)\cdot3=78g/mol\\ 7.M_{NaBr}=23+80=103g/mol\\ 8.M_{ZnS}=65+32=97g/mol\\ 9.M_{Hg\left(NO_3\right)_2}=201+\left(14+16\cdot3\right)\cdot2=325g/mol\\ 10.M_{PbCO_3}=207+12+16\cdot3=267g/mol\)
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