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3 Ce4{+} + 2 Sn2{+} = 4 Ce3{+} + Sn4{+}
N + H = NH3 =>
N + 3 H = NH3
Ag2O + NH2OH = Ag + H2N2O2 + H2O =>
2 Ag2O + 2 NH2OH = 4 Ag + H2N2O2 + 2 H2O
Al + HI = AlI2 + H2 =>
Al + 2 HI = AlI2 + H2
C9H18 + O2 = CO2 + H2O =>
2 C9H18 + 27 O2 = 18 CO2 + 18 H2O
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
Ca(NO2)2 + KMnO4 + HNO3 = Mn(NO3)3 + Ca(NO3)2 + KNO3 + H2O =>
Ca(NO2)2 + KMnO4 + 4 HNO3 = Mn(NO3)3 + Ca(NO3)2 + KNO3 + 2 H2O
Al(NO3)3 = Al + NO2 + O2 =>
2 Al(NO3)3 = 2 Al + 6 NO2 + 3 O2
NaCl + KBrO3 + H2SO4 = Na2SO4 + Cl2 + KBr + H2O =>
6 NaCl + KBrO3 + 3 H2SO4 = 3 Na2SO4 + 3 Cl2 + KBr + 3 H2O
NH4Cl + H2O2 = N2 + HCl + H2O =>
2 NH4Cl + 3 H2O2 = N2 + 2 HCl + 6 H2O
C3H2O3 + CU = C4H2O3 + U =>
C3H2O3 + CU = C4H2O3 + U
Al(OH)3 + HNO3 = Al + H2O + NO3 =>
Al(OH)3 + 3 HNO3 = Al + 3 H2O + 3 NO3
CH3COONa + CH3COOAg = CH3COO + AgNa =>
CH3COONa + CH3COOAg = 2 CH3COO + AgNa
PBSO4 + NaOH = PB(OH)2 + Na2SO4 =>
PBSO4 + 2 NaOH = PB(OH)2 + Na2SO4
Cl4Ti + H2O = TiO2 + HCl =>
Cl4Ti + 2 H2O = TiO2 + 4 HCl
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
BeSO4 + K2CO3 = BeCO3 + K2SO4 =>
BeSO4 + K2CO3 = BeCO3 + K2SO4
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
CH3OOH = CO2 + CH4 + H2O =>
2 CH3OOH = CO2 + CH4 + 2 H2O
KNO2 + KMnO4 + HCl = KNO3 + MnCl2 + KCl + H2O =>
5 KNO2 + 2 KMnO4 + 6 HCl = 5 KNO3 + 2 MnCl2 + 2 KCl + 3 H2O
K + ClS = K2S + Cl =>
2 K + ClS = K2S + Cl
CuNO3 + Au3PO4 = AuNO3 + Cu3PO4 =>
3 CuNO3 + Au3PO4 = 3 AuNO3 + Cu3PO4
Na + NHO3 = NaNO3 + H2 =>
2 Na + 2 NHO3 = 2 NaNO3 + H2
NH4 + (CrO4)2 = N + Cr2O3 + H2O =>
5 NH4 + 2(CrO4)2 = 5 N + 2 Cr2O3 + 10 H2O
Zn + CO2 = ZnO + ZnCO =>
2 Zn + CO2 = ZnO + ZnCO
Ca + H2SO4 = CaSO4 + H2 =>
Ca + H2SO4 = CaSO4 + H2
FeS2 + H2 = Fe + H2S =>
FeS2 + 2 H2 = Fe + 2 H2S
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
(NH4)2CO3 = NH3 + H2O + CO2 =>
(NH4)2CO3 = 2 NH3 + H2O + CO2
S2{-} + Cl2 + OH{-} = SO4{-} + Cl{-} + H2O =>
2 S2{-} + 15 Cl2 + 32 OH{-} = 4 SO4{-} + 30 Cl{-} + 16 H2O
Al + C(t) = Al4C3 =>
4 Al + 3 C(t) = Al4C3
C3H7COOH + Al2O3 = Al(C3H7COO)3 + H2O =>
6 C3H7COOH + Al2O3 = 2 Al(C3H7COO)3 + 3 H2O
Pb(OH)Cl + KI = PbI2 + KCl + KOH =>
Pb(OH)Cl + 2 KI = PbI2 + KCl + KOH
SrS + Pb(NO3)2 = Sr(NO3)2 + PbS =>
SrS + Pb(NO3)2 = Sr(NO3)2 + PbS
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Fe2O3 + H3PO4 = FePO4 + H2O =>
Fe2O3 + 2 H3PO4 = 2 FePO4 + 3 H2O
P4 + B = PB3 =>
P4 + 12 B = 4 PB3
C4HO + O = CO2 + H2O =>
2 C4HO + 15 O = 8 CO2 + H2O
HS + O2 = HO + SO =>
HS + O2 = HO + SO
H2[Zn(OH)2Cl2] + ZnO = Zn[Zn(OH)2Cl2] + H2O =>
H2[Zn(OH)2Cl2] + ZnO = Zn[Zn(OH)2Cl2] + H2O
Na2B4O7*10H2O + CuSO4 = CuBO2 + B2O3 + NaSO4 + H2O =>
Na2B4O7*10H2O + 2 CuSO4 = 2 CuBO2 + B2O3 + 2 NaSO4 + 10 H2O
Zn + As2O3 + H2O = OH{-} + Zn{+2} + AsH3 =>
6 Zn + As2O3 + 9 H2O = 12 OH{-} + 6 Zn{+2} + 2 AsH3
CuO2 + NaOH = Cu(OH)2 + NaO =>
CuO2 + 2 NaOH = Cu(OH)2 + 2 NaO
Cl(OH)2 + H2SO4 = ClSO4 + H2O =>
Cl(OH)2 + H2SO4 = ClSO4 + 2 H2O
SO4 = O2 + SO2SO4 = O2 + SO2 =>
2 SO4 = O2 + SO2SO4
FeCl3 + NH4SCN = Fe[Fe(SCN)6] + NH4Cl =>
2 FeCl3 + 6 NH4SCN = Fe[Fe(SCN)6] + 6 NH4Cl
K + MnO4 + C6H8 = KH2 + MnHCO3 + O2 =>
K + 6 MnO4 + C6H8 = KH2 + 6 MnHCO3 + 3 O2
Cd(HCO3)2 = Cd + HCO3 =>
Cd(HCO3)2 = Cd + 2 HCO3
BaCl2 + H2 = HCl + Ba =>
BaCl2 + H2 = 2 HCl + Ba
Ca + H3P = Ca2P + H3 =>
2 Ca + H3P = Ca2P + H3
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