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PbS + 8 HNO3 = PbSO4 + 8 NO2 + 4 H2O
C6H10O5 + I2 = C6H10OI + IO =>
2 C6H10O5 + 5 I2 = 2 C6H10OI + 8 IO
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
SO2 + H2O + NaIO3 = H2SO4 + NaI =>
3 SO2 + 3 H2O + NaIO3 = 3 H2SO4 + NaI
Mg + Zn(OH) = Mg(OH)2 + Zn =>
Mg + 2 Zn(OH) = Mg(OH)2 + 2 Zn
AlBr3 + FeCl2 = AlCl3 + FeBr2 =>
2 AlBr3 + 3 FeCl2 = 2 AlCl3 + 3 FeBr2
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
AhNO3 + HCl = AhCl + HNO3 =>
AhNO3 + HCl = AhCl + HNO3
Li + N2 = Li3N =>
6 Li + N2 = 2 Li3N
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
Al + NaOH + H2O = NaAl(OH)4 + H2 =>
2 Al + 2 NaOH + 6 H2O = 2 NaAl(OH)4 + 3 H2
AlCl3 + NaOH = Al2O3 + NaCl + H2O =>
2 AlCl3 + 6 NaOH = Al2O3 + 6 NaCl + 3 H2O
KMnO4 + H2O + Na2C2O4 = MnO2 + KOH + Na2CO3 + CO2 =>
2 KMnO4 + H2O + 3 Na2C2O4 = 2 MnO2 + 2 KOH + 3 Na2CO3 + 3 CO2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
K2Cr2O7 + NH3 + H2O = Cr(OH)2 + NO2 + KOH =>
7 K2Cr2O7 + 8 NH3 + 9 H2O = 14 Cr(OH)2 + 8 NO2 + 14 KOH
FeCl3 + LiOH = Fe(OH)3 + LiCl =>
FeCl3 + 3 LiOH = Fe(OH)3 + 3 LiCl
FeS + KOH = K2S + Fe(OH)2 =>
FeS + 2 KOH = K2S + Fe(OH)2
C22H46 + O2 = CO2 + H2O =>
2 C22H46 + 67 O2 = 44 CO2 + 46 H2O
CH3COOH + Na2CO3 = (CH3COO)2Na + CO2 + H2O =>
15 CH3COOH + 4 Na2CO3 = 8(CH3COO)2Na + 2 CO2 + 6 H2O
LiOH + CaCl2 = LiCa + Cl2OH =>
LiOH + CaCl2 = LiCa + Cl2OH
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
C + S8 = CS2 =>
4 C + S8 = 4 CS2
NaCl(aq) + NaHCO3 = Na2CO3(aq) + HCl(aq) =>
NaCl(aq) + NaHCO3 = Na2CO3(aq) + HCl(aq)
FeBr3 + Cl2 = Br2 + FeCl3 =>
2 FeBr3 + 3 Cl2 = 3 Br2 + 2 FeCl3
Fe2(SO4)3 + Ba(NO3)2 = Fe(NO3)3 + BaSO4 =>
Fe2(SO4)3 + 3 Ba(NO3)2 = 2 Fe(NO3)3 + 3 BaSO4
Na2SO3 + HBr = SO2 + NaBr + H2O =>
Na2SO3 + 2 HBr = SO2 + 2 NaBr + H2O
C6H10O5 + I2 = C6H10OI + IO =>
2 C6H10O5 + 5 I2 = 2 C6H10OI + 8 IO
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
Fe + SNC = FeSCN =>
Fe + SNC = FeSCN
Na2C2O4 + KMnO4 = K2C2O4 + NaMnO4 =>
Na2C2O4 + 2 KMnO4 = K2C2O4 + 2 NaMnO4
F2 + LiBr = LiF + Br2 =>
F2 + 2 LiBr = 2 LiF + Br2
CUSO4 + KI = CUI + I2 + K2SO4 =>
2 CUSO4 + 4 KI = 2 CUI + I2 + 2 K2SO4
Ba(NO3)2 + Mg(SO4) = Ba(SO4) + Mg(NO3)2 =>
Ba(NO3)2 + Mg(SO4) = Ba(SO4) + Mg(NO3)2
BaCl2 + Na2CO3 = BaCO3 + NaCl =>
BaCl2 + Na2CO3 = BaCO3 + 2 NaCl
Ag2SO4 + H = Ag + H2SO4 =>
Ag2SO4 + 2 H = 2 Ag + H2SO4
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
KClO3 + C6H5COONa = KCl + Na2CO3 + H2O + CO2 =>
10 KClO3 + 2 C6H5COONa = 10 KCl + Na2CO3 + 5 H2O + 13 CO2
Ca + F2 = (CaF2)2 =>
2 Ca + 2 F2 = (CaF2)2
Cl2CCHO + NaOH = (OH)2CCHO + NaCl =>
Cl2CCHO + 2 NaOH = (OH)2CCHO + 2 NaCl
Fe + CuCl3 = Cu + FeCl3 =>
Fe + CuCl3 = Cu + FeCl3
Cu3(PO4)2 + KCl = CuCl2 + K3(PO4) =>
Cu3(PO4)2 + 6 KCl = 3 CuCl2 + 2 K3(PO4)
Cr + HCl + H2O = CrCl + H3O =>
Cr + HCl + H2O = CrCl + H3O
NaClSO3 = NaCl(SO3) =>
NaClSO3 = NaCl(SO3)
K2Cr2O7 + H2SO4 + C2H5OH = K2SO4 + Cr2(SO4)3 + H2O + CH3COOH =>
2 K2Cr2O7 + 8 H2SO4 + 3 C2H5OH = 2 K2SO4 + 2 Cr2(SO4)3 + 11 H2O + 3 CH3COOH
FeS2 + HCl = FeCl3 + Cl2 + H2S =>
2 FeS2 + 8 HCl = 2 FeCl3 + Cl2 + 4 H2S
KClO3 + NaI = NaClO3 + KI =>
KClO3 + NaI = NaClO3 + KI
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