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valenok18XD
@valenok18XD
August 2021
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tempestast
1) CO2 + 2Mg =2MgO + C
2) 2С + O2 = 2CO
3)2CO + O2 = 2CO2
4) CO2 + Ca(OH)2 = CaCO3 + H2O
5) CaCO3 –(t) CaO + CO2
6) CaO + 3C –(t) CaC2 + CO
7) 2CaC2 + 5O2 =(t) 2CaO + 4CO2
8) Si + 2Mg =(t) Mg2Si
9) Mg2Si + 4NH4Cl = SiH4 + 2MgCl2 + 4NH3
10) SiH4 + 2O2 =(t) SiO2 + 2H2O
11) SiO2 + 2NaOH =(t) Na2SiO3 + H2O
12) Na2SiO3 + 2KOH – K2SiO3 + 2NaOH
13) K2SiO3 → (t) K2O + SiO2
14) SiO2 + 4HF= SiF4 + 2H2O
15) Cu + 2AgNO3 = Cu(NO3)2 + 2Ag
16) 2Cu(NO3)2 –(t) 2CuO + 4NO2 + O2
17) CuO + 2HCl = CuCl2 + H2O
18) CuCl2 + 2NaOH – Cu(OH)2 + 2NaCl
19) Cu(OH)2 –(t) CuO + H2O
20) CuO + Zn = ZnO + Cu
21) Cu + 2H2SO4 = CuSO4 + 2H2O + SO2
22) CuSO4 + 2HCl – CuCl2 + H2SO4
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Answers & Comments
2) 2С + O2 = 2CO
3)2CO + O2 = 2CO2
4) CO2 + Ca(OH)2 = CaCO3 + H2O
5) CaCO3 –(t) CaO + CO2
6) CaO + 3C –(t) CaC2 + CO
7) 2CaC2 + 5O2 =(t) 2CaO + 4CO2
8) Si + 2Mg =(t) Mg2Si
9) Mg2Si + 4NH4Cl = SiH4 + 2MgCl2 + 4NH3
10) SiH4 + 2O2 =(t) SiO2 + 2H2O
11) SiO2 + 2NaOH =(t) Na2SiO3 + H2O
12) Na2SiO3 + 2KOH – K2SiO3 + 2NaOH
13) K2SiO3 → (t) K2O + SiO2
14) SiO2 + 4HF= SiF4 + 2H2O
15) Cu + 2AgNO3 = Cu(NO3)2 + 2Ag
16) 2Cu(NO3)2 –(t) 2CuO + 4NO2 + O2
17) CuO + 2HCl = CuCl2 + H2O
18) CuCl2 + 2NaOH – Cu(OH)2 + 2NaCl
19) Cu(OH)2 –(t) CuO + H2O
20) CuO + Zn = ZnO + Cu
21) Cu + 2H2SO4 = CuSO4 + 2H2O + SO2
22) CuSO4 + 2HCl – CuCl2 + H2SO4