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Cu(s) + 2 H2O(l) = Cu(OH)2(s) + H2(g)
P4 + O2 = PO =>
P4 + 2 O2 = 4 PO
CH3COOH + Pb = Pb(CH3COOH)2 =>
2 CH3COOH + Pb = Pb(CH3COOH)2
K4[Fe(CN)6] + Cl2 = K3[Fe(CN)6] + KCl =>
2 K4[Fe(CN)6] + Cl2 = 2 K3[Fe(CN)6] + 2 KCl
P4(s) + Cl(g) = PCl5(s) =>
P4(s) + 20 Cl(g) = 4 PCl5(s)
HNO3 + C6H12 = C6H9(NO2)3 + H2O =>
3 HNO3 + C6H12 = C6H9(NO2)3 + 3 H2O
Cl2O3 + Ca(OCl)Cl + NaOH = CaCl2 + Na2ClO4 + H2O =>
Cl2O3 + 3 Ca(OCl)Cl + 4 NaOH = 3 CaCl2 + 2 Na2ClO4 + 2 H2O
NaClO + Na2S2O3 + NaOH = Na2SO4 + NaCl + H2O =>
4 NaClO + Na2S2O3 + 2 NaOH = 2 Na2SO4 + 4 NaCl + H2O
SrI2 + Br2 = SrBr2 + I =>
SrI2 + Br2 = SrBr2 + 2 I
Na2SO3 + Pb(NO3)2 = Na(NO3) + PbSO3 =>
Na2SO3 + Pb(NO3)2 = 2 Na(NO3) + PbSO3
Na2SO3 + Pb(NO3)2 = NaNO3 + Pb2(SO3)2 =>
2 Na2SO3 + 2 Pb(NO3)2 = 4 NaNO3 + Pb2(SO3)2
Cl2 + Al2O3 = Al2 + ClO =>
3 Cl2 + 2 Al2O3 = 2 Al2 + 6 ClO
H2SO4 + KMnO4 + Fe(NH4)2(SO4)2 = MnSO4 + Fe2(SO4)3 + K2SO4 + (NH4)2SO4 + H2O =>
8 H2SO4 + 2 KMnO4 + 10 Fe(NH4)2(SO4)2 = 2 MnSO4 + 5 Fe2(SO4)3 + K2SO4 + 10(NH4)2SO4 + 8 H2O
KOH + KCl = ClOH + K2 =>
KOH + KCl = ClOH + K2
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
CaCl2 + KOH = Ca(OH)2 + KCl =>
CaCl2 + 2 KOH = Ca(OH)2 + 2 KCl
KMnO4 + OH = MnO2 + O2 + KOH =>
KMnO4 + OH = MnO2 + O2 + KOH
HCl + Na2CO3*3H2O = NaCl + CO2 + H2O =>
2 HCl + Na2CO3*3H2O = 2 NaCl + CO2 + 4 H2O
Hf + CuO = HfO2 + Cu =>
Hf + 2 CuO = HfO2 + 2 Cu
Ag(s) + HCl(aq) = AgCl(aq) + H2(g) =>
2 Ag(s) + 2 HCl(aq) = 2 AgCl(aq) + H2(g)
NaOH + (COOH)2 = Na2C2O4 + H2O =>
2 NaOH + (COOH)2 = Na2C2O4 + 2 H2O
BaSO3 + HBr = BaBr2 + H2SO3 =>
BaSO3 + 2 HBr = BaBr2 + H2SO3
CaCl2(s) = Ca{2+}(aq) + Cl{-}(aq) =>
CaCl2(s) = Ca{2+}(aq) + 2 Cl{-}(aq)
NaCl + H2SO4 + O = NaSO4 + Cl + H2O =>
NaCl + H2SO4 + O = NaSO4 + Cl + H2O
Na3VO4 + H2SO4 = Na4V2O7 + Na2SO4 + H2O =>
2 Na3VO4 + H2SO4 = Na4V2O7 + Na2SO4 + H2O
P4 + IO3{-} + OH{-} = HPO3{2-} + I2 + H2O =>
5 P4 + 12 IO3{-} + 28 OH{-} = 20 HPO3{2-} + 6 I2 + 4 H2O
HO + HCl = H2O + Cl =>
HO + HCl = H2O + Cl
Sn + HNO3 = SnO2 + N2O3 + H2O =>
Sn + 2 HNO3 = SnO2 + N2O3 + H2O
C2H5OH + H2SO4 = CO2 + SO2 + H2O =>
C2H5OH + 6 H2SO4 = 2 CO2 + 6 SO2 + 9 H2O
Na2SO3 + Pb(NO3)2 = NaNO3 + Pb2(SO3)2 =>
2 Na2SO3 + 2 Pb(NO3)2 = 4 NaNO3 + Pb2(SO3)2
Fe(NO3)3 + K2SO4 = Fe2(SO4)3 + KNO3 =>
2 Fe(NO3)3 + 3 K2SO4 = Fe2(SO4)3 + 6 KNO3
Ag + S = Ag2S =>
2 Ag + S = Ag2S
K2Cr2O7 + H2SO4 + C2H5OH = Cr2(SO4)3 + K2SO4 + CH3COOH + H2O =>
2 K2Cr2O7 + 8 H2SO4 + 3 C2H5OH = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3COOH + 11 H2O
Sr(OH)2 + CF3COOH = Sr(CF3COO)2 + H2O =>
Sr(OH)2 + 2 CF3COOH = Sr(CF3COO)2 + 2 H2O
Na2SO3 + Pb(NO3)2 = NaNO3 + Pb2(SO3)2 =>
2 Na2SO3 + 2 Pb(NO3)2 = 4 NaNO3 + Pb2(SO3)2
Ag2CrO4 = Ag + CrO4 =>
Ag2CrO4 = 2 Ag + CrO4
K2Cr2O7 = K + Cr + O =>
K2Cr2O7 = 2 K + 2 Cr + 7 O
FeSO4 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
6 FeSO4 + K2Cr2O7 + 7 H2SO4 = 3 Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + 7 H2O
S + HCl = H2S + Cl =>
S + 2 HCl = H2S + 2 Cl
CH3CO2 + H2O = CO2 + CH4 =>
8 CH3CO2 + 2 H2O = 9 CO2 + 7 CH4
Mg(NO3)2 + KOH = Mg(OH)2 + KNO3 =>
Mg(NO3)2 + 2 KOH = Mg(OH)2 + 2 KNO3
Na2O + Fe(ClO4)3 = NaClO4 + Fe2O3 =>
3 Na2O + 2 Fe(ClO4)3 = 6 NaClO4 + Fe2O3
Cu(OH)2 + H2CO3 = CuCO3 + H2O =>
Cu(OH)2 + H2CO3 = CuCO3 + 2 H2O
C + HCl = HCCl =>
C + HCl = HCCl
H2S(g) + O2(g) = SO2(s) + H2O(g) =>
2 H2S(g) + 3 O2(g) = 2 SO2(s) + 2 H2O(g)
Na2SO3 + Pb(NO3)2 = NaNO3 + Pb2(SO3)2 =>
2 Na2SO3 + 2 Pb(NO3)2 = 4 NaNO3 + Pb2(SO3)2
H2SO4 + NaBr + Na(BrO3) = Na2(SO4) + H2O + Br2 =>
3 H2SO4 + 5 NaBr + Na(BrO3) = 3 Na2(SO4) + 3 H2O + 3 Br2
CaCO3(s) + HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq) =>
CaCO3(s) + 2 HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq)
C2H6 + Cl = C2H5Cl + H =>
C2H6 + Cl = C2H5Cl + H
Al + KNO2 + KOH + H2O = NH3 + K2[Al(OH)4] =>
3 Al + KNO2 + 5 KOH + 5 H2O = NH3 + 3 K2[Al(OH)4]
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