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Ca(OH)2 + Mg = Mg(OH)2 + Ca
K(s) + AlCl3(s) = Al(s) + KCl(s) =>
3 K(s) + AlCl3(s) = Al(s) + 3 KCl(s)
NO2 + OH{-} = NO3{-} + NO2{-} + H2O =>
2 NO2 + 2 OH{-} = NO3{-} + NO2{-} + H2O
H2S + H2SO3 = S + H2O =>
2 H2S + H2SO3 = 3 S + 3 H2O
NaH2PO4(s) + NaOH(aq) = Na2HPO4(aq) + H2O(l) =>
NaH2PO4(s) + NaOH(aq) = Na2HPO4(aq) + H2O(l)
Ca(OH)2(s) + HCl(aq) = CaCl2(s) + H2O(l) =>
Ca(OH)2(s) + 2 HCl(aq) = CaCl2(s) + 2 H2O(l)
HClO3 + NaOH = HOH + NaClO3 =>
HClO3 + NaOH = HOH + NaClO3
K2Cr2O7 + H2SO4 + C2H5OH = Cr2(SO4)3 + KSO4 + HC2H3O2 + H2O =>
K2Cr2O7 + 5 H2SO4 + C2H5OH = Cr2(SO4)3 + 2 KSO4 + HC2H3O2 + 6 H2O
PbCrO4Pb(OH)2 = PbCrO4PbO + H2O =>
PbCrO4Pb(OH)2 = PbCrO4PbO + H2O
(NH4)2Co3(aq) + NaOH(aq) = Na2Co3(aq) + NH3(g) + H2O(l) =>
(NH4)2Co3(aq) + 2 NaOH(aq) = Na2Co3(aq) + 2 NH3(g) + 2 H2O(l)
Ba(NO3)2 + Na2(CrO4) = Ba(CrO4) + Na(NO3) =>
Ba(NO3)2 + Na2(CrO4) = Ba(CrO4) + 2 Na(NO3)
K4(Fe(CN)6) + FeSO4 = Fe4[Fe(CN)6]3 + K2SO4 + Fe2 =>
3 K4(Fe(CN)6) + 6 FeSO4 = Fe4[Fe(CN)6]3 + 6 K2SO4 + Fe2
HNO3NaOH = NaNO3H2O =>
HNO3NaOH = NaNO3H2O
Zn + HNO3 = Zn(NO3)2 + NO2 + H2O =>
Zn + 4 HNO3 = Zn(NO3)2 + 2 NO2 + 2 H2O
AlO + H2O = Al + OH =>
AlO + H2O = Al + 2 OH
HClO3 + KI = HI + KClO3 =>
HClO3 + KI = HI + KClO3
H2 + I2 = HI =>
H2 + I2 = 2 HI
CH2O + Ag2O + OH{-} = Ag + HCO2{-} + H2O =>
CH2O + Ag2O + OH{-} = 2 Ag + HCO2{-} + H2O
K2CO3 + C4H4O4 = K2C4H2O4 + H2O + CO2 =>
K2CO3 + C4H4O4 = K2C4H2O4 + H2O + CO2
SP5 + H2O = HP + H3SO4 =>
SP5 + 4 H2O = 5 HP + H3SO4
Zn(NO3)2*6H2O + NaOH = ZnO + NaNO3 + H2O =>
Zn(NO3)2*6H2O + 2 NaOH = ZnO + 2 NaNO3 + 7 H2O
HNO3 + KClO4 + Fe(NO3)2 = KNO3 + Cl(NO3)3 + Fe(NO3)3 + H2O =>
8 HNO3 + KClO4 + 4 Fe(NO3)2 = KNO3 + Cl(NO3)3 + 4 Fe(NO3)3 + 4 H2O
C2H5Cl = C4H10 + Cl =>
2 C2H5Cl = C4H10 + 2 Cl
AgNO3NaI = AgI + NaNO3 =>
AgNO3NaI = AgI + NaNO3
Al(HSO4)3 + NaOH = Al2(SO4)3 + Na2SO4 + H2O =>
2 Al(HSO4)3 + 6 NaOH = Al2(SO4)3 + 3 Na2SO4 + 6 H2O
CuO + C = Cu + CO7 =>
7 CuO + C = 7 Cu + CO7
Ni + Mg(OH)2 = Ni(OH)2 + Mg =>
Ni + Mg(OH)2 = Ni(OH)2 + Mg
La + HNO3 = La(NO3)3 + H2 =>
2 La + 6 HNO3 = 2 La(NO3)3 + 3 H2
FeCl3 + CUCO3 = Fe2(CO3)3 + CUCl2 =>
2 FeCl3 + 3 CUCO3 = Fe2(CO3)3 + 3 CUCl2
Fe(SO4) + Ba(NO3)2 = Fe(NO3)2 + BaSO4 =>
Fe(SO4) + Ba(NO3)2 = Fe(NO3)2 + BaSO4
I2 + CCl4 = I2CCl4 =>
I2 + CCl4 = I2CCl4
C8H9NO2 + O2 = CO2 + H2O + NO3 =>
4 C8H9NO2 + 43 O2 = 32 CO2 + 18 H2O + 4 NO3
Cu(NO3) + Na2S = Cu2S + Na(NO3) =>
2 Cu(NO3) + Na2S = Cu2S + 2 Na(NO3)
FeSO4 + K3(Fe(CN)6) = KFe(Fe(CN)6) + K2SO4 =>
FeSO4 + K3(Fe(CN)6) = KFe(Fe(CN)6) + K2SO4
H2O + P2O5 = H3PO4 =>
3 H2O + P2O5 = 2 H3PO4
BaCl2(S) + O2(g) = Ba(ClO3)2(S) =>
BaCl2(S) + 3 O2(g) = Ba(ClO3)2(S)
Be + NaOH + H2O = Na2(Be(OH)4) + H2 =>
Be + 2 NaOH + 2 H2O = Na2(Be(OH)4) + H2
C2H5COOH + Ba(OH)2 = (C2H5COO)2Ba + H2O =>
2 C2H5COOH + Ba(OH)2 = (C2H5COO)2Ba + 2 H2O
C3N4 + O2 = CO2 + NO2 =>
C3N4 + 7 O2 = 3 CO2 + 4 NO2
MnO2 + SO3 = MnSO4 + O2 =>
2 MnO2 + 2 SO3 = 2 MnSO4 + O2
FeCl3 + ClF3 = FeF3 + Cl =>
FeCl3 + ClF3 = FeF3 + 4 Cl
NH4Br + Pb(CH3COO)2 = NH4(CH3COO) + PbBr2 =>
2 NH4Br + Pb(CH3COO)2 = 2 NH4(CH3COO) + PbBr2
H{+} + Ce = Ce{3+} + H2 =>
6 H{+} + 2 Ce = 2 Ce{3+} + 3 H2
Au + CuSO4 = Cu + AuSO4 =>
Au + CuSO4 = Cu + AuSO4
N2 + K2 = NK3 =>
N2 + 3 K2 = 2 NK3
SnO2 + NaCl = SnCl4 + Na2O =>
SnO2 + 4 NaCl = SnCl4 + 2 Na2O
CO2 + H2O + HCl = C2H3Cl + O2 =>
4 CO2 + 2 H2O + 2 HCl = 2 C2H3Cl + 5 O2
Pb(NO3)2 + (NH4)(OH) = Pb(OH)2 + (NH4)(NO3) =>
Pb(NO3)2 + 2(NH4)(OH) = Pb(OH)2 + 2(NH4)(NO3)
(NH2)2CO + HCl + H2O = NH4Cl + CO2 =>
(NH2)2CO + 2 HCl + H2O = 2 NH4Cl + CO2
CoS + Br2 + H2O + HCl = [CoCl4]{2-} + SO4{2-} + Br{-} + H{+} =>
CoS + 4 Br2 + 4 H2O + 4 HCl = [CoCl4]{2-} + SO4{2-} + 8 Br{-} + 12 H{+}
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