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SO2 + 2 H2 = S + 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
F2 + H2O = OF2 + HF =>
2 F2 + H2O = OF2 + 2 HF
Cu + HNO3 = Cu(NO3)2 + H2O + NO2 =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 H2O + 2 NO2
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
Hg + O2 = HgO =>
2 Hg + O2 = 2 HgO
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Cl2O5(g) = Cl2(g) + O2(g) =>
2 Cl2O5(g) = 2 Cl2(g) + 5 O2(g)
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
CO2 + H2O = C2H6 + O2 =>
4 CO2 + 6 H2O = 2 C2H6 + 7 O2
NaCN + H2O = HCN + NaOH =>
NaCN + H2O = HCN + NaOH
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
CO2 + H2O = C2H2 + O2 =>
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Sulfur + oxygen = sulfurdioxide =>
S + O2 = SO2
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
N2 + H2O = NH3 + O2 =>
2 N2 + 6 H2O = 4 NH3 + 3 O2
Cu(s) + AgNO3(aq) = Cu(NO3)2(aq) + Ag(s) =>
Cu(s) + 2 AgNO3(aq) = Cu(NO3)2(aq) + 2 Ag(s)
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C + HNO3 = H2O + NO2 + CO2 =>
C + 4 HNO3 = 2 H2O + 4 NO2 + CO2
Mn(C2O4)3{2+} + MnO4{-} + H2O = MnO2 + H{+} + C2O4 =>
3 Mn(C2O4)3{2+} + 2 MnO4{-} + 2 H2O = 5 MnO2 + 4 H{+} + 9 C2O4
Mg + Pb(NO3)2 = Mg(NO3)2 + Pb =>
Mg + Pb(NO3)2 = Mg(NO3)2 + Pb
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
HNO3 + Na3H2IO6 = NaNO3 + NaIO4 + H2O =>
2 HNO3 + Na3H2IO6 = 2 NaNO3 + NaIO4 + 2 H2O
AlBr3 + Cl2 = AlCl3 + Br2 =>
2 AlBr3 + 3 Cl2 = 2 AlCl3 + 3 Br2
S + O2 = SO2 =>
S + O2 = SO2
Al(NO3)3 + (NH4)3PO4 = AlPO4 + NH4NO3 =>
Al(NO3)3 + (NH4)3PO4 = AlPO4 + 3 NH4NO3
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
CO2 + NH3 = CO(NH2)2 + H2O =>
CO2 + 2 NH3 = CO(NH2)2 + H2O
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
Na + N2 = Na3N =>
6 Na + N2 = 2 Na3N
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Na2O2 + H2SO4 = Na2SO4 + H2O2 =>
Na2O2 + H2SO4 = Na2SO4 + H2O2
calciumhydroxide + carbondioxide = calciumcarbonate + water =>
Ca(OH)2 + CO2 = CaCO3 + H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
ZnCl2 + NaOH = Zn(OH)2 + NaCl =>
ZnCl2 + 2 NaOH = Zn(OH)2 + 2 NaCl
calciumhydroxide + carbondioxide = calciumcarbonate + water =>
Ca(OH)2 + CO2 = CaCO3 + H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
NH4Cl + Ca(OH)2 = NH3 + CaCl2 + H2O =>
2 NH4Cl + Ca(OH)2 = 2 NH3 + CaCl2 + 2 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
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