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2 CH4 + 3 O2 = 2 CO + 4 H2O
Al + NaOH = Al(OH)3 + Na(aq) =>
Al + 3 NaOH = Al(OH)3 + 3 Na(aq)
Cu2(CrO4) + Fe = Fe2(CrO4)3 + Cu =>
3 Cu2(CrO4) + 2 Fe = Fe2(CrO4)3 + 6 Cu
O2F2 = O2 + OF2 =>
2 O2F2 = O2 + 2 OF2
Cu(OH)2 + NaOH = CuOH + Na(OH)2 =>
Cu(OH)2 + NaOH = CuOH + Na(OH)2
H2SO4 + NaBr = H2Br + NaSO4 =>
H2SO4 + NaBr = H2Br + NaSO4
H2O + ZrOCl2 + NH4HF2 = H2ZrF6 + HCl + NH4OH =>
2 H2O + ZrOCl2 + 3 NH4HF2 = H2ZrF6 + 2 HCl + 3 NH4OH
(NH4)2S + Fe2(SO4)3 = (NH4)2(SO4) + Fe2S3 =>
3(NH4)2S + Fe2(SO4)3 = 3(NH4)2(SO4) + Fe2S3
Pb + H2SO4 = Pb(SO4) + H2 =>
Pb + H2SO4 = Pb(SO4) + H2
CH2O + F2 = CHF + H2O + O2 =>
4 CH2O + 2 F2 = 4 CHF + 2 H2O + O2
Fe(OH)3 + N2O3 = Fe(NO2)3 + H2O =>
2 Fe(OH)3 + 3 N2O3 = 2 Fe(NO2)3 + 3 H2O
CO + H2O + SO2 = C6H6S + O2 =>
12 CO + 6 H2O + 2 SO2 = 2 C6H6S + 11 O2
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
VCl4 + NaOH = V2O2(OH)4 + NaCl + H2O =>
2 VCl4 + 8 NaOH = V2O2(OH)4 + 8 NaCl + 2 H2O
Al + KOH + H2C2O4 = K3Al(C2O4) + H2 + OH =>
Al + 3 KOH + H2C2O4 = K3Al(C2O4) + H2 + 3 OH
OH{-} + Mn{2+} + MnO4{-} = MnO2 + H2O =>
4 OH{-} + 3 Mn{2+} + 2 MnO4{-} = 5 MnO2 + 2 H2O
P + H2O = PH3 + H3PO3 =>
2 P + 3 H2O = PH3 + H3PO3
CH3OH + O2 = H2O + CO2 =>
2 CH3OH + 3 O2 = 4 H2O + 2 CO2
FeO + SiO2 = FeSiO3 =>
FeO + SiO2 = FeSiO3
C2H5OH + Br2 = C2H5Br + HBr + O =>
C2H5OH + Br2 = C2H5Br + HBr + O
H2{+} + O2{-2) = H2O =>
2 H2{+} + O2{-2) = 2 H2O
CH2 + H2O = CH3OH =>
CH2 + H2O = CH3OH
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
AgNO3 + KBr = AgBr + KNO3 =>
AgNO3 + KBr = AgBr + KNO3
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2 =>
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2
O2 + {-} = O{2-} =>
O2 + 4e = 2 O{2-}
HCI + FeCO3 = HCO3 + CIFe =>
HCI + FeCO3 = HCO3 + CIFe
Fe(OH)3 + N2O3 = Fe(NO2)3 + H2O =>
2 Fe(OH)3 + 3 N2O3 = 2 Fe(NO2)3 + 3 H2O
C2H6 + Cl = C2H6Cl =>
C2H6 + Cl = C2H6Cl
Na + Ca = Na2Ca =>
2 Na + Ca = Na2Ca
Ca3N2 + H2O = Ca(OH)2 + H3N =>
Ca3N2 + 6 H2O = 3 Ca(OH)2 + 2 H3N
F2 + H2O = OF2 + HF =>
2 F2 + H2O = OF2 + 2 HF
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Li3PO4(aq) + RbOH(aq) = Rb3PO4(aq) + LiOH(aq) =>
Li3PO4(aq) + 3 RbOH(aq) = Rb3PO4(aq) + 3 LiOH(aq)
H2NO3 + Fe(OH)2 = Fe(NO3) + H2O =>
H2NO3 + Fe(OH)2 = Fe(NO3) + 2 H2O
Al + I2 = AlI3 =>
2 Al + 3 I2 = 2 AlI3
C6H14 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + C5H11COOH + H2O =>
5 C6H14 + 6 KMnO4 + 9 H2SO4 = 3 K2SO4 + 6 MnSO4 + 5 C5H11COOH + 14 H2O
MgCrO4 + Fe(ClO3)3 = Mg(ClO3)3 + FeCrO4 =>
MgCrO4 + Fe(ClO3)3 = Mg(ClO3)3 + FeCrO4
POCl3 + H2O(l) = H3PO4 + HCl =>
POCl3 + 3 H2O(l) = H3PO4 + 3 HCl
Na2SO3 + Ni(NO3)2 = Ni2(SO3)2 + NaNO3 =>
2 Na2SO3 + 2 Ni(NO3)2 = Ni2(SO3)2 + 4 NaNO3
Na + N2 = Na2N3 =>
4 Na + 3 N2 = 2 Na2N3
KMnO4 + HCl + CH3SOCH3 = CH3SO2CH3 + MnCl2 + KCl + H2O =>
2 KMnO4 + 6 HCl + 5 CH3SOCH3 = 5 CH3SO2CH3 + 2 MnCl2 + 2 KCl + 3 H2O
Cu + HCl + KNO3 = CuCl2 + NO + KCl + H2O =>
3 Cu + 8 HCl + 2 KNO3 = 3 CuCl2 + 2 NO + 2 KCl + 4 H2O
Mn + H2O = MnO + H2 =>
Mn + H2O = MnO + H2
CoSO4 + BaS = CoS + BaSO4 =>
CoSO4 + BaS = CoS + BaSO4
SCl2 + F2 = SF6 + Cl2 =>
SCl2 + 3 F2 = SF6 + Cl2
Zn + Ag(C2H3O2) = Zn(H3C2O2)2 + Ag =>
Zn + 2 Ag(C2H3O2) = Zn(H3C2O2)2 + 2 Ag
FeTiO3 + C + N2 = Fe + TiN + CO =>
2 FeTiO3 + 6 C + N2 = 2 Fe + 2 TiN + 6 CO
HNO2 + Hg + HCl = HgCl2 + NO + H2O =>
2 HNO2 + Hg + 2 HCl = HgCl2 + 2 NO + 2 H2O
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