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2 Cr(OH)3 + 3 H2O2 = Cr2O7{2-} + 2 H{+} + 5 H2O
Pb(NO3)2 + Na2SO4 = PbSO4 + NO3 + Na =>
Pb(NO3)2 + Na2SO4 = PbSO4 + 2 NO3 + 2 Na
Zn + HClO3 = Zn(ClO3)2 + H2 =>
Zn + 2 HClO3 = Zn(ClO3)2 + H2
Al + ZnO = Al2O3 + Zn =>
2 Al + 3 ZnO = Al2O3 + 3 Zn
KOH(aq) + HNO3(aq) = H2O + KNO3(aq) =>
KOH(aq) + HNO3(aq) = H2O + KNO3(aq)
La2O3 + Y2O3 = LaYO3 =>
La2O3 + Y2O3 = 2 LaYO3
C2H5OH + KMnO4 = H2O + CH3COOH + MnO2 + KOH =>
3 C2H5OH + 4 KMnO4 = H2O + 3 CH3COOH + 4 MnO2 + 4 KOH
PO = P + O =>
PO = P + O
Na2S + NaOH + CuSO4 = Na2SO4 + CuOH + S =>
Na2S + 2 NaOH + 2 CuSO4 = 2 Na2SO4 + 2 CuOH + S
FeCl2 + O2 = Fe2O3 + FeCl3 =>
12 FeCl2 + 3 O2 = 2 Fe2O3 + 8 FeCl3
ZnO + NH3 = Zn + H2O + N2 =>
3 ZnO + 2 NH3 = 3 Zn + 3 H2O + N2
CuCl2 + H2 = Cu + HCl =>
CuCl2 + H2 = Cu + 2 HCl
MnSO4 + CaOCl2 + NaOH = MnO2 + CaCl2 + Na2SO4 + H2O =>
MnSO4 + CaOCl2 + 2 NaOH = MnO2 + CaCl2 + Na2SO4 + H2O
Y + Ni = Y2Ni17 =>
2 Y + 17 Ni = Y2Ni17
MgO + H = Mg + HO =>
MgO + H = Mg + HO
CN + O2 = CO2 + N2O3 =>
4 CN + 7 O2 = 4 CO2 + 2 N2O3
AsPO4 + Fe3(BO3)2 = Fe3(PO4)2 + AsBO3 =>
2 AsPO4 + Fe3(BO3)2 = Fe3(PO4)2 + 2 AsBO3
Au + Br = AuBr =>
Au + Br = AuBr
Pt(NH3)4Cl4 = PtH2N2Cl2 + NH4 + HCl =>
Pt(NH3)4Cl4 = PtH2N2Cl2 + 2 NH4 + 2 HCl
H2O2 + C = CH4 + CO =>
2 H2O2 + 5 C = CH4 + 4 CO
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO = PCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
W + Br = WBr =>
W + Br = WBr
LiOH + HNO3 = Li{+} + NO3{-} + H2O =>
LiOH + HNO3 = Li{+} + NO3{-} + H2O
F + K2 = FK =>
2 F + K2 = 2 FK
SO2 + NaIO3 + H2O = Na2SO4 + H2SO4 + I2 =>
5 SO2 + 2 NaIO3 + 4 H2O = Na2SO4 + 4 H2SO4 + I2
HgS + O2 = SO2 + HgO =>
2 HgS + 3 O2 = 2 SO2 + 2 HgO
S2O3{2-} + Cr2O7{2-} + H{+} = SO4{2-} + Cr{3+} + H2O =>
3 S2O3{2-} + 4 Cr2O7{2-} + 26 H{+} = 6 SO4{2-} + 8 Cr{3+} + 13 H2O
HCOOH + CH3NH2 = NH3 + CH3COOCH3 =>
HCOOH + 2 CH3NH2 = 2 NH3 + CH3COOCH3
Hg2Cl = Hg + Cl2 =>
2 Hg2Cl = 4 Hg + Cl2
HCOOH + CH3NH2 = CH3 + HCOO + NH3 =>
HCOOH + CH3NH2 = CH3 + HCOO + NH3
NBr3 + NaOH = N2 + NaBr + HBrO =>
2 NBr3 + 3 NaOH = N2 + 3 NaBr + 3 HBrO
SiO2 + OH{-} = SiO3{2-} + H2O =>
SiO2 + 2 OH{-} = SiO3{2-} + H2O
Fe2O3 + MgSO4 = MgO3 + Fe2SO4 =>
Fe2O3 + MgSO4 = MgO3 + Fe2SO4
K + S + O2 = K2SO4 =>
2 K + S + 2 O2 = K2SO4
KI(heat) = KI =>
KI(heat) = KI
P4O10 + PCl5 = POCl3 =>
P4O10 + 6 PCl5 = 10 POCl3
CrCl3 + Ba(OH)2 = Cr(OH)2 + BaCl3 =>
CrCl3 + Ba(OH)2 = Cr(OH)2 + BaCl3
MgCl2 + CaO = MgO + CaCl2 =>
MgCl2 + CaO = MgO + CaCl2
I2 + As2O3 + H2O = IH + As2O5 =>
2 I2 + As2O3 + 2 H2O = 4 IH + As2O5
NaHCO3 + Fe2 = FeHCO3 + Na =>
2 NaHCO3 + Fe2 = 2 FeHCO3 + 2 Na
Pb + Al2O3 = Al + PbO2 =>
3 Pb + 2 Al2O3 = 4 Al + 3 PbO2
Ca(NO2)2 + HCl = HNO2 + CaCl2 =>
Ca(NO2)2 + 2 HCl = 2 HNO2 + CaCl2
Fe2 + KCl = K + FeCl =>
Fe2 + 2 KCl = 2 K + 2 FeCl
SiO + H2O = H2SiO2 =>
SiO + H2O = H2SiO2
NH4NCS + Fe(NO3)3 = FeNCS + NH4(NO3)3 =>
NH4NCS + Fe(NO3)3 = FeNCS + NH4(NO3)3
C2H5OH + H2O = C2H5OH(H2O) =>
C2H5OH + H2O = C2H5OH(H2O)
Cu{2+} + I{-} = Cu + I2 =>
Cu{2+} + 2 I{-} = Cu + I2
CH4 + HCl = CCl4 + H =>
CH4 + 4 HCl = CCl4 + 8 H
NH4NO2 = H2O + N2 =>
NH4NO2 = 2 H2O + N2
Cu + Al = Cu3Al2 =>
3 Cu + 2 Al = Cu3Al2
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