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SO2 + 2 H2S = 3 S + 2 H2O
NaHCO3 + H3C6H5O = CO2 + H2O + Na3C6H5O7 =>
15 NaHCO3 + 3 H3C6H5O = 3 CO2 + 7 H2O + 5 Na3C6H5O7
Fe + S8 = Fe2S3 =>
16 Fe + 3 S8 = 8 Fe2S3
LiOH + Zn = LiZn + OH =>
LiOH + Zn = LiZn + OH
Ca + HClO4 = CaClO4 + H =>
Ca + HClO4 = CaClO4 + H
NaHCO3 + Ba(OH)2 = Na2CO3 + BaCO3 + H2O =>
2 NaHCO3 + Ba(OH)2 = Na2CO3 + BaCO3 + 2 H2O
Mg(s) + HCl(g) = MgCl2(l) + H2(g) =>
Mg(s) + 2 HCl(g) = MgCl2(l) + H2(g)
Fe2(SO4)3 + K3PO4 = FePO4 + K2(SO4) =>
Fe2(SO4)3 + 2 K3PO4 = 2 FePO4 + 3 K2(SO4)
H2C3H2O4 + KOH = H2O + KC3H3O4 =>
H2C3H2O4 + KOH = H2O + KC3H3O4
SrCl2 + (NH4)2C2O4 = SrC2O4 + NH4Cl =>
SrCl2 + (NH4)2C2O4 = SrC2O4 + 2 NH4Cl
Ca(s) + HCl = H2(g) + CaCl2(aq) =>
Ca(s) + 2 HCl = H2(g) + CaCl2(aq)
Na2CO3(s) + H2SO4 = Na2SO4 + H2CO3 =>
Na2CO3(s) + H2SO4 = Na2SO4 + H2CO3
BaSO4 + NaHCO3 = Na2SO4 + BaCO3 + H2O + CO2 =>
BaSO4 + 2 NaHCO3 = Na2SO4 + BaCO3 + H2O + CO2
Fe + NaOCl = Fe2O3 + NaCl =>
2 Fe + 3 NaOCl = Fe2O3 + 3 NaCl
BeO + NaOH = Be(OH)2 + Na2O =>
BeO + 2 NaOH = Be(OH)2 + Na2O
Ca(CH3COO)2 + NaHCO3 = NaCH3COO + CaCO3 + CO2 + H2O =>
Ca(CH3COO)2 + 2 NaHCO3 = 2 NaCH3COO + CaCO3 + CO2 + H2O
N2H4 + Ag2O = N2 + Ag + H2O =>
N2H4 + 2 Ag2O = N2 + 4 Ag + 2 H2O
B + O = B2O3 =>
2 B + 3 O = B2O3
N2 + Cl2 = NCl3 =>
N2 + 3 Cl2 = 2 NCl3
Fe + HCe = FeCe3 + H2 =>
2 Fe + 6 HCe = 2 FeCe3 + 3 H2
MgCl2 + Hg2(NO3)2 = Mg(NO3)2 + Hg2Cl2 =>
MgCl2 + Hg2(NO3)2 = Mg(NO3)2 + Hg2Cl2
Al + KMnO4 = Al2O3 + MnO2 + K2O =>
2 Al + 2 KMnO4 = Al2O3 + 2 MnO2 + K2O
C3H7OH + C2H5COOH = C6H12O2 + H2O =>
C3H7OH + C2H5COOH = C6H12O2 + H2O
Ba + HI = BaI2 + H =>
Ba + 2 HI = BaI2 + 2 H
Pb(No3)2(aq) + KI = KNo3 + PbI2 =>
Pb(No3)2(aq) + 2 KI = 2 KNo3 + PbI2
BaCl2(aq) + K2CrO4(aq) = BaCrO4(s) + KCl(aq) =>
BaCl2(aq) + K2CrO4(aq) = BaCrO4(s) + 2 KCl(aq)
C6H6 + C2H5OH = C8H10 + H2O =>
C6H6 + C2H5OH = C8H10 + H2O
Li3N + O2 = Li2O + N2 =>
4 Li3N + 3 O2 = 6 Li2O + 2 N2
C2H2 + I2 = C2H2I2 =>
C2H2 + I2 = C2H2I2
MnO2 + HCe = MnCe2 + Ce + H2O =>
MnO2 + 4 HCe = MnCe2 + 2 Ce + 2 H2O
Ca(OH)2 + O2 = CaO + OH =>
2 Ca(OH)2 + O2 = 2 CaO + 4 OH
Fe(CrO2)2 + Na2CO3 + O2 = Fe2O3 + Na2CrO4 + CO2 =>
4 Fe(CrO2)2 + 8 Na2CO3 + 7 O2 = 2 Fe2O3 + 8 Na2CrO4 + 8 CO2
NH3 + SO2 = NO + S + H2O =>
4 NH3 + 5 SO2 = 4 NO + 5 S + 6 H2O
Zn + NaNO3 + HCl = ZnCl2 + NO2 + H2O + NaCl =>
Zn + 2 NaNO3 + 4 HCl = ZnCl2 + 2 NO2 + 2 H2O + 2 NaCl
HIO3 + FeI2 + HCl = FeCl3 + ICl + HOH =>
5 HIO3 + 4 FeI2 + 25 HCl = 4 FeCl3 + 13 ICl + 15 HOH
Zn(CH3COO)2*2H2O + NaOH = ZnO + NaCH3COO + H2O =>
Zn(CH3COO)2*2H2O + 2 NaOH = ZnO + 2 NaCH3COO + 3 H2O
Al2(SO4)3 + AgNO3 = Al(NO3)3 + Ag2SO4 =>
Al2(SO4)3 + 6 AgNO3 = 2 Al(NO3)3 + 3 Ag2SO4
Na2B4O7*10H2O + NaOH + H2O2 = NaBO3*H2O + H2O =>
Na2B4O7*10H2O + 2 NaOH + 4 H2O2 = 4 NaBO3*H2O + 11 H2O
Al2O3 + KOH = KAlO2 + H2O =>
Al2O3 + 2 KOH = 2 KAlO2 + H2O
CDO + H2O = CD(OH)2 =>
CDO + H2O = CD(OH)2
C12H16N2O2 + NH2NH2*H2O + C2H5OH = C10H18N2O + H2O =>
C12H16N2O2 + NH2NH2*H2O + 4 C2H5OH = 2 C10H18N2O + 5 H2O
Au(OH)3 + Na2CO3 = Au2(CO3)3 + NaOH =>
2 Au(OH)3 + 3 Na2CO3 = Au2(CO3)3 + 6 NaOH
Ca(OH)2 + NO2 = Ca(NO3)2 + H2 =>
Ca(OH)2 + 2 NO2 = Ca(NO3)2 + H2
PbO + H2O2 = Pb(OH)2 + O2 =>
2 PbO + 2 H2O2 = 2 Pb(OH)2 + O2
KMnO4 + K3[Fe(CN)6] + KOH = K4[Fe(CN)6] + Mn(OH)2 + KO2 =>
KMnO4 + K3[Fe(CN)6] + 2 KOH = K4[Fe(CN)6] + Mn(OH)2 + 2 KO2
Al2(SO4)3 + Na(OH) = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 Na(OH) = 2 Al(OH)3 + 3 Na2SO4
N2H8CO3 = NH3 + H2O + CO2 =>
N2H8CO3 = 2 NH3 + H2O + CO2
C8H18S + O2 = CO2 + H2O + SO2 =>
2 C8H18S + 27 O2 = 16 CO2 + 18 H2O + 2 SO2
Pb + CuSO4 = Cu + PbSO4 =>
Pb + CuSO4 = Cu + PbSO4
CaCO3(s) + HC2H3O2(aq) = Ca(C2H3O2)2(aq) + H2O(l) + CO2(g) =>
CaCO3(s) + 2 HC2H3O2(aq) = Ca(C2H3O2)2(aq) + H2O(l) + CO2(g)
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