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2 Na + H2SO4 = H2 + Na2SO4
Fe + SO2 = FeSO3 + FeS2O3 =>
2 Fe + 3 SO2 = FeSO3 + FeS2O3
KCr(SO4)2 + KOH + H2O2 = K2SO4 + K2CrO4 + H2O =>
2 KCr(SO4)2 + 10 KOH + 3 H2O2 = 4 K2SO4 + 2 K2CrO4 + 8 H2O
KMnO4 + NaNO2 + H2O = KOH + MnO2 + NaNO3 =>
2 KMnO4 + 3 NaNO2 + H2O = 2 KOH + 2 MnO2 + 3 NaNO3
MnO4{-} + H{+} + C2H5OH = Mn{2+} + H2O + CH3COOH =>
4 MnO4{-} + 12 H{+} + 5 C2H5OH = 4 Mn{2+} + 11 H2O + 5 CH3COOH
Cr2O3 + H2O2 + NaOH = Na2CrO4 + H2O =>
Cr2O3 + 3 H2O2 + 4 NaOH = 2 Na2CrO4 + 5 H2O
RbI = Rb + I2 =>
2 RbI = 2 Rb + I2
NaFeO2 + HCl = FeCl3 + NaCl + H2O =>
NaFeO2 + 4 HCl = FeCl3 + NaCl + 2 H2O
As2S3 + HNO3 = H2AsO4 + SO2 + NO2 + H2O =>
As2S3 + 24 HNO3 = 2 H2AsO4 + 3 SO2 + 24 NO2 + 10 H2O
H2SeO3 + Ca(OH)2 = CaSeO3 + H2O =>
H2SeO3 + Ca(OH)2 = CaSeO3 + 2 H2O
H2S + O2 = SO4 + H2O =>
2 H2S + 5 O2 = 2 SO4 + 2 H2O
Zn + FeSO{-}4 = ZnSO{-}4 + Fe =>
Zn + FeSO{-}4 = ZnSO{-}4 + Fe
NOH3 + O2 = NO + H2O =>
4 NOH3 + 3 O2 = 4 NO + 6 H2O
Au + Al2(SO4)3 = Al + Au2SO4 =>
6 Au + Al2(SO4)3 = 2 Al + 3 Au2SO4
HNO3 + Zn(OH)2 = H2O + Zn(NO3)2 =>
2 HNO3 + Zn(OH)2 = 2 H2O + Zn(NO3)2
C6H5COCl + C2H7N = C9H11NO + (CH3)2NH2Cl =>
C6H5COCl + 2 C2H7N = C9H11NO + (CH3)2NH2Cl
Bi2S3 + HNO3 + H{+} = Bi{3+} + S + NO + H2O =>
Bi2S3 + 2 HNO3 + 6 H{+} = 2 Bi{3+} + 3 S + 2 NO + 4 H2O
NaO + H2O = Na(OH)2 =>
NaO + H2O = Na(OH)2
SCl4 + F2 = SF4 + Cl2 =>
SCl4 + 2 F2 = SF4 + 2 Cl2
In2 + O2 = In2O3 =>
2 In2 + 3 O2 = 2 In2O3
Zn + CuSO4 = Cu + ZnSO4 =>
Zn + CuSO4 = Cu + ZnSO4
PCl3 + H2O = H3PO3 + HCl =>
PCl3 + 3 H2O = H3PO3 + 3 HCl
NH3 + H2O + FeCl3 = NH4Cl + Fe(OH)3 =>
3 NH3 + 3 H2O + FeCl3 = 3 NH4Cl + Fe(OH)3
CuCl22H2O(aq) + Al(s) = Cu(s) + AlCl3(aq) + H2O(l) =>
3 CuCl22H2O(aq) + 22 Al(s) = 3 Cu(s) + 22 AlCl3(aq) + 3 H2O(l)
K2MnO4 + Fe + H2SO4 = MnSO4 + Fe(SO4)3 + K2SO4 + H2O =>
3 K2MnO4 + 2 Fe + 12 H2SO4 = 3 MnSO4 + 2 Fe(SO4)3 + 3 K2SO4 + 12 H2O
Na[As(OH)4] + I2 + H2O = Na[As(OH)6] + HI =>
Na[As(OH)4] + I2 + 2 H2O = Na[As(OH)6] + 2 HI
LiBr(aq) + H2O(l) = LiO(s) + H2Br(g) =>
LiBr(aq) + H2O(l) = LiO(s) + H2Br(g)
MnCO3 + HCl = MnCl2 + H2O + CO2 =>
MnCO3 + 2 HCl = MnCl2 + H2O + CO2
Na(s) + O2(g) = Na2O(s) =>
4 Na(s) + O2(g) = 2 Na2O(s)
C9H11NO3 + H2SO4 = CO2 + SO2 + (NH4)2SO4 + H2O =>
2 C9H11NO3 + 39 H2SO4 = 18 CO2 + 38 SO2 + (NH4)2SO4 + 46 H2O
K2CrO7 + H2SO4 = K2SO4 + Cr2(SO4)3 + O2 + H2O2 =>
2 K2CrO7 + 5 H2SO4 = 2 K2SO4 + Cr2(SO4)3 + 2 O2 + 5 H2O2
H2SO4 + HI = H2S2 + I2 + H2O =>
2 H2SO4 + 14 HI = H2S2 + 7 I2 + 8 H2O
KNO3 + Cl2 = KClO3 + N2 =>
2 KNO3 + Cl2 = 2 KClO3 + N2
Zr + (H2O) = ZrO2 + H2 =>
Zr + 2(H2O) = ZrO2 + 2 H2
Zn(m) + HCl(aq) = ZnCl2(aq) + H2(g) =>
Zn(m) + 2 HCl(aq) = ZnCl2(aq) + H2(g)
Al(NO3)3 + NaOH = Al(OH)3 + NaNO3 =>
Al(NO3)3 + 3 NaOH = Al(OH)3 + 3 NaNO3
Na(CH3{-}COO) + KCl = NaCl + KCH3{-}COO =>
Na(CH3{-}COO) + KCl = NaCl + KCH3{-}COO
Cl2 + CaI2 = ClI + Ca =>
Cl2 + CaI2 = 2 ClI + Ca
PCl3 + HCl = HP + Cl4 =>
PCl3 + HCl = HP + Cl4
HCN + CuS(O4) = (H2)S(O4) + Cu(CN)2 =>
2 HCN + CuS(O4) = (H2)S(O4) + Cu(CN)2
NaI(aq) + Hg2(C2H3O2)2(ag) = HgI(s) + Na(C2H3O2)(aq) =>
2 NaI(aq) + Hg2(C2H3O2)2(ag) = 2 HgI(s) + 2 Na(C2H3O2)(aq)
Cu3(PO3)2 + K2S = K3PO3 + CuS =>
Cu3(PO3)2 + 3 K2S = 2 K3PO3 + 3 CuS
Hydrochloricacid + iron = FeCl3 + hydrogen =>
6 HCl + 2 Fe = 2 FeCl3 + 3 H2
CaSiO3 + KOH = Ca(OH)2 + K2SiO3 =>
CaSiO3 + 2 KOH = Ca(OH)2 + K2SiO3
BaCl2 + CO2 = Cl2 + BaCO2 =>
BaCl2 + CO2 = Cl2 + BaCO2
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
H2[SnCl6] + Fe = SnCl2 + FeCl2 + HCl =>
H2[SnCl6] + Fe = SnCl2 + FeCl2 + 2 HCl
NH4Br + NaOH = H2O + NaBr + NH3 =>
NH4Br + NaOH = H2O + NaBr + NH3
Zn + NaHCO3 = ZnHCO3 + Na =>
Zn + NaHCO3 = ZnHCO3 + Na
FeCl3 + HNO3 = Fe(NO3)3 + HCl =>
FeCl3 + 3 HNO3 = Fe(NO3)3 + 3 HCl
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