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4 Na + O2 = 2 Na2O
Cu2SO4 + NaOH = Na2SO4 + CuOH =>
Cu2SO4 + 2 NaOH = Na2SO4 + 2 CuOH
CaCO3 + NH4Cl = CaCl2 + NH3 + H2O + CO2 =>
CaCO3 + 2 NH4Cl = CaCl2 + 2 NH3 + H2O + CO2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
VCl3 + H2 = V + HCl =>
2 VCl3 + 3 H2 = 2 V + 6 HCl
HSO3{-} + BrO3{-} = SO4{2-} + Br{+} + H2O =>
2 HSO3{-} + BrO3{-} = 2 SO4{2-} + Br{+} + H2O
Cl2O5 = O + Cl =>
Cl2O5 = 5 O + 2 Cl
Sn{+2} + Cu{+2} = Sn{+4} + Cu =>
Sn{+2} + Cu{+2} = Sn{+4} + Cu
HBrO3 + H2S = HBr + S + H2O =>
HBrO3 + 3 H2S = HBr + 3 S + 3 H2O
HCl3 + O2 = H2 + Cl2O =>
4 HCl3 + 3 O2 = 2 H2 + 6 Cl2O
K2CO3 + Ni(NO3)3 = K(NO3) + Ni2(CO3)3 =>
3 K2CO3 + 2 Ni(NO3)3 = 6 K(NO3) + Ni2(CO3)3
C7H1519OH + O2 = CO2 + H29 =>
58 C7H1519OH + 377 O2 = 406 CO2 + 3040 H29
Fe(NO3)3Cu(NO3)2 = Fe(NO3)2Cu(NO3)3 =>
Fe(NO3)3Cu(NO3)2 = Fe(NO3)2Cu(NO3)3
Na3PO4 + HBr = Na3Br + PO4H =>
Na3PO4 + HBr = Na3Br + PO4H
N2 + O2 = NO2 =>
N2 + 2 O2 = 2 NO2
NaAlO2 + HNO3 = NaNO3 + AlO2 + H2 =>
2 NaAlO2 + 2 HNO3 = 2 NaNO3 + 2 AlO2 + H2
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + Mn(SO4) + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 Mn(SO4) + 60 HNO3 + 60 CO2 + 188 H2O
(C6H10O5)9 + O2 = CO2 + H2O =>
(C6H10O5)9 + 54 O2 = 54 CO2 + 45 H2O
Fe(NO3)3 + Na2Cr2O7 = FeCr2O7 + Na2(NO3)3 =>
Fe(NO3)3 + Na2Cr2O7 = FeCr2O7 + Na2(NO3)3
H2O + HCH3CO2 = CH3CO2 + H3O =>
H2O + HCH3CO2 = CH3CO2 + H3O
HI + Br2 + H2O = HIO4 + HBr =>
HI + 4 Br2 + 4 H2O = HIO4 + 8 HBr
FeO + KMnO4 + H2SO4 = Fe2O3 + MnSO4 + K2SO4 + H2O =>
10 FeO + 2 KMnO4 + 3 H2SO4 = 5 Fe2O3 + 2 MnSO4 + K2SO4 + 3 H2O
C6(H2O)6 + KMnO4 = C6(H6O5)2 + KMn =>
C6(H2O)6 + KMnO4 = C6(H6O5)2 + KMn
(NH4)2SO4(aq) + SrCl2(aq) = (NH4)Cl(aq) + SrSO4(s) =>
(NH4)2SO4(aq) + SrCl2(aq) = 2(NH4)Cl(aq) + SrSO4(s)
HCCCH3 + H2O = CH2CHCH2OH =>
HCCCH3 + H2O = CH2CHCH2OH
FeSO4 + PO4{-3} = Fe3(PO4)2 + SO4{-2} =>
3 FeSO4 + 2 PO4{-3} = Fe3(PO4)2 + 3 SO4{-2}
HCCCH3 + H2O = CH2CHCH2OH =>
HCCCH3 + H2O = CH2CHCH2OH
C6H6S2 + O2 = CO2 + H2O + SO2 =>
2 C6H6S2 + 19 O2 = 12 CO2 + 6 H2O + 4 SO2
C11H + O = CO2 + H2O =>
2 C11H + 45 O = 22 CO2 + H2O
Al + Pb(NO3)2 = Al3NO3 + Pb2 =>
12 Al + 2 Pb(NO3)2 = 4 Al3NO3 + Pb2
Al2(s) + I2(s) = AlI(s) =>
Al2(s) + I2(s) = 2 AlI(s)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C6H5O7{-3} + H{+} = H3C6H5O7 =>
C6H5O7{-3} + 3 H{+} = H3C6H5O7
NiCl2 + NH4S = NiS + NH4Cl2 =>
NiCl2 + NH4S = NiS + NH4Cl2
HCCCH3 + H2O = CH2CHCH2OH =>
HCCCH3 + H2O = CH2CHCH2OH
Ag + KCl = AgCl + K =>
Ag + KCl = AgCl + K
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
[Cd(NH3)4]OH2 + NaOH = Na2Cd(OH)2 + NH3 + H2O =>
[Cd(NH3)4]OH2 + 2 NaOH = Na2Cd(OH)2 + 4 NH3 + H2O
Li + CH3COOH = LiC2H3O2 + H2 =>
2 Li + 2 CH3COOH = 2 LiC2H3O2 + H2
Na2CO3 + PbCl2 = NaCl + PbCO3 =>
Na2CO3 + PbCl2 = 2 NaCl + PbCO3
CH2O + H2O = CO2 + H{+} + e =>
CH2O + H2O = CO2 + 4 H{+} + 4e
CH3CH2Br + NaOH = CH3CH2OH + NaBr =>
CH3CH2Br + NaOH = CH3CH2OH + NaBr
MnO2 = MnO + O2 =>
2 MnO2 = 2 MnO + O2
CH4(g) + Cl2(g) = CCl4(g) + HCl(g) =>
CH4(g) + 4 Cl2(g) = CCl4(g) + 4 HCl(g)
HCCCH3 + H2O = CH2CHCH2OH =>
HCCCH3 + H2O = CH2CHCH2OH
CrBr3 + Na2S + H2O = Cr(OH)3 + H2S + NaBr =>
2 CrBr3 + 3 Na2S + 6 H2O = 2 Cr(OH)3 + 3 H2S + 6 NaBr
CaS + Fe(NO3)3 = Fe2S3 + Ca(NO3)2 =>
3 CaS + 2 Fe(NO3)3 = Fe2S3 + 3 Ca(NO3)2
C3H7ClKOH = C3H7OHKCl =>
C3H7ClKOH = C3H7OHKCl
CaCO3(s) + HCl = CaCl2(aq) + CO2(g) + H2O =>
CaCO3(s) + 2 HCl = CaCl2(aq) + CO2(g) + H2O
CuNO3 = CuO + Cu(NO3)2 + NO =>
3 CuNO3 = 2 CuO + Cu(NO3)2 + NO
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