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enotenot2018
@enotenot2018
March 2022
1
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Даны схемы химических реакций:
а)KCl+AgNO8→KNO3+AgCl
б)SiO2+Mg→MgO+Si+Q
в)Na2SO3+HCl→NaCl+SO2+H2O
г)H2+S→H2S+Q
д)Mg+HCl→MgCl2+H2
е)NaOH+H2SO4→Na2SO4+H2O+Q
ж)SO2+O2→SO3+Q
з)MgCO3→MgO+CO2T-Q
и)N2+O2→NO-Q
к)NaNO3→NaNO2+O2-Q
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svetka1574
KCl + AgNO3 -> AgCl + KNO3
SiO2 +2 Mg -> 2MgO + Si
Na2SO3 + 2HCl -> 2NaCl + SO2 + H2O ( HCl - соляная кислота)
H2 + S -> H2S
Mg + 2HCl -> MgCl2 + H2 ( HCl - соляная кислота)
2NaOH + H2SO4 -> Na2SO4 + 2H2O (H2SO4 - серная кислота)
2SO2 + O2 -> 2SO3
MgCO3 -> MgO + CO2
N2 + O2 -> 2NO
2NaNO3 -> 2NaNO2 + O2
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Answers & Comments
SiO2 +2 Mg -> 2MgO + Si
Na2SO3 + 2HCl -> 2NaCl + SO2 + H2O ( HCl - соляная кислота)
H2 + S -> H2S
Mg + 2HCl -> MgCl2 + H2 ( HCl - соляная кислота)
2NaOH + H2SO4 -> Na2SO4 + 2H2O (H2SO4 - серная кислота)
2SO2 + O2 -> 2SO3
MgCO3 -> MgO + CO2
N2 + O2 -> 2NO
2NaNO3 -> 2NaNO2 + O2