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2 H + O = H2O
Al + K2CrO4 + KOH + H2O = K3[Al(OH)6] + K2CrO2 =>
4 Al + 3 K2CrO4 + 12 KOH + 6 H2O = 4 K3[Al(OH)6] + 3 K2CrO2
SO4{2-} + H{+} + e = S2O3{2-} + H2O =>
2 SO4{2-} + 10 H{+} + 8e = S2O3{2-} + 5 H2O
Zn(s) + AgNO3(aq) = Zn(NO3)2(aq) + Ag(s) =>
Zn(s) + 2 AgNO3(aq) = Zn(NO3)2(aq) + 2 Ag(s)
HCl + Mg + O2 = HClMgO =>
2 HCl + 2 Mg + O2 = 2 HClMgO
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Sn + O2 + HCl = SnCl2 + H2O =>
2 Sn + O2 + 4 HCl = 2 SnCl2 + 2 H2O
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Al + KOH + H2SO4 + H2O = KAl(SO4)3*12H2O + H2 =>
2 Al + 2 KOH + 6 H2SO4 + 22 H2O = 2 KAl(SO4)3*12H2O + 5 H2
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
Fe(OH)2 = Fe3O4 + H2O + H2 =>
3 Fe(OH)2 = Fe3O4 + 2 H2O + H2
(NH4)3PO4 + CaCl2 = Ca3(PO4)2 + NH4Cl =>
2(NH4)3PO4 + 3 CaCl2 = Ca3(PO4)2 + 6 NH4Cl
W + Cl2 = WCl5 =>
2 W + 5 Cl2 = 2 WCl5
P + Br = PBr3 =>
P + 3 Br = PBr3
CO2 + H2 = C6H14 + H2O =>
6 CO2 + 19 H2 = C6H14 + 12 H2O
FeBr2 + Al = AlBr + Fe2 =>
2 FeBr2 + 4 Al = 4 AlBr + Fe2
N + H = NH4 =>
N + 4 H = NH4
H2SO4 + C = H2O + SO2 + CO2 =>
2 H2SO4 + C = 2 H2O + 2 SO2 + CO2
Li2S + Sr(NO3)2 = LiNO3 + SrS =>
Li2S + Sr(NO3)2 = 2 LiNO3 + SrS
HClO3 + Zn = ZnClO3 + H2 =>
2 HClO3 + 2 Zn = 2 ZnClO3 + H2
C + O = CO2 =>
C + 2 O = CO2
HNO3 + Mn(OH)2 = H2O + Mn(NO3)2 =>
2 HNO3 + Mn(OH)2 = 2 H2O + Mn(NO3)2
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
BN + H2O = B2O3 + NH3 =>
2 BN + 3 H2O = B2O3 + 2 NH3
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
C2H5OH + H2SO4 = C2H4 + H2O*H2SO4 =>
C2H5OH + H2SO4 = C2H4 + H2O*H2SO4
MnCl2 + NaClO + NaOH = MnO2 + NaCl + H2O =>
MnCl2 + NaClO + 2 NaOH = MnO2 + 3 NaCl + H2O
NaI + MnO2 + H2SO4 = MnSO4 + NaHSO4 + I2 + H2O =>
2 NaI + MnO2 + 3 H2SO4 = MnSO4 + 2 NaHSO4 + I2 + 2 H2O
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
CU(SO4)2 + Ag = Ag2SO4 + CU =>
CU(SO4)2 + 4 Ag = 2 Ag2SO4 + CU
Zn(OH)2 + NH3 = [Zn(NH3)6](OH)2 =>
Zn(OH)2 + 6 NH3 = [Zn(NH3)6](OH)2
Fe2(SO4)3 + H2O = FeOHSO4 + H2SO4 =>
Fe2(SO4)3 + 2 H2O = 2 FeOHSO4 + H2SO4
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
SrBr2 + F2 = SrF2 + Br =>
SrBr2 + F2 = SrF2 + 2 Br
MnO2 + KOH = K4MnO4 + H2O =>
MnO2 + 4 KOH = K4MnO4 + 2 H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Co(OH)3 + H{+} = Co{2+} + O2 + H2O =>
4 Co(OH)3 + 8 H{+} = 4 Co{2+} + O2 + 10 H2O
CH3CHOHCH3 + KMnO4 + H2SO4 = CH3CHOCH3 + K2SO4 + MnSO4 + H2O =>
10 CH3CHOHCH3 + 2 KMnO4 + 3 H2SO4 = 10 CH3CHOCH3 + K2SO4 + 2 MnSO4 + 8 H2O
Mg + H2SO4 = MgSO4 + SO + H2O =>
2 Mg + 3 H2SO4 = 2 MgSO4 + SO + 3 H2O
Zn(s) + Pb(NO3)2(aq) = Zn(NO3)2(aq) + Pb(s) =>
Zn(s) + Pb(NO3)2(aq) = Zn(NO3)2(aq) + Pb(s)
C2H2F2 + O2 = CO + HF =>
C2H2F2 + O2 = 2 CO + 2 HF
LiOH + CrO3 = LiCrO4 + H2 =>
2 LiOH + 2 CrO3 = 2 LiCrO4 + H2
FeCl2 + KMnO4 = Fe(MnO4)2 + KCl =>
FeCl2 + 2 KMnO4 = Fe(MnO4)2 + 2 KCl
NH4Fe(SO4)2 + NaOH = Fe(OH)3 + Na2SO4 + NH4OH =>
NH4Fe(SO4)2 + 4 NaOH = Fe(OH)3 + 2 Na2SO4 + NH4OH
Zn + Fe + S = Zn(FeS2)2 =>
Zn + 2 Fe + 4 S = Zn(FeS2)2
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