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S + 3 O + 2 NaOH = Na2SO4 + H2O
(C6H6)12 + O = CO2 + H2O =>
(C6H6)12 + 180 O = 72 CO2 + 36 H2O
NaCl + AgNO3 = NaNO3 + AgCl = =>
NaCl + AgNO3 = NaNO3 + AgCl
K2SiO3 + HCl = KCl + H2SiO3 =>
K2SiO3 + 2 HCl = 2 KCl + H2SiO3
OH{-} + Fe{3+} = Fe(OH)3 =>
3 OH{-} + Fe{3+} = Fe(OH)3
HgO + CI{+2} = HgCI + O{+2} =>
HgO + CI{+2} = HgCI + O{+2}
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
Pb(OH)4 + Cu2O = PbO2 + CuOH =>
Pb(OH)4 + 2 Cu2O = PbO2 + 4 CuOH
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Na + O = Na2O =>
2 Na + O = Na2O
BrO3{-} + NH3OH{+} = Br{-} + NO3{-} + H2O + H{+} =>
BrO3{-} + NH3OH{+} = Br{-} + NO3{-} + H2O + 2 H{+}
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
AgF + Fe2(CO3)3 = FeF3 + Ag2CO3 =>
6 AgF + Fe2(CO3)3 = 2 FeF3 + 3 Ag2CO3
(NH4)2Cr2O7 + NaOH = Na2CrO4 + NH3 + H2O =>
(NH4)2Cr2O7 + 4 NaOH = 2 Na2CrO4 + 2 NH3 + 3 H2O
LiNO3 + CaBr2 = Ca(NO3)2 + LiBr =>
2 LiNO3 + CaBr2 = Ca(NO3)2 + 2 LiBr
C + Cr2O3 = CO2 + Cr =>
3 C + 2 Cr2O3 = 3 CO2 + 4 Cr
FeZn + HCl = FeCl2 + ZnCl2 + H2 =>
FeZn + 4 HCl = FeCl2 + ZnCl2 + 2 H2
CaO + P2O5 + H2O = Ca5(PO4)3OH =>
10 CaO + 3 P2O5 + H2O = 2 Ca5(PO4)3OH
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
HNO3 = H2O + NO2 + O2 =>
4 HNO3 = 2 H2O + 4 NO2 + O2
CH2O2 + CuO = (HCOO)2Cu + H2O =>
2 CH2O2 + CuO = (HCOO)2Cu + H2O
CH3CHO + Cu(OH)2 + NaOH = CH3CO2Na + Cu2O + H2O =>
CH3CHO + 2 Cu(OH)2 + NaOH = CH3CO2Na + Cu2O + 3 H2O
CH3Cl + HI = CH4 + Cl2 + I2 =>
2 CH3Cl + 2 HI = 2 CH4 + Cl2 + I2
HNO3 + Mg(OH)2 = Mg(NO3)2 + H2O(aq) =>
2 HNO3 + Mg(OH)2 = Mg(NO3)2 + 2 H2O(aq)
Ba(OH)2 + Fe(NO3)2 = Fe(OH)2 + Ba(NO3)2 =>
Ba(OH)2 + Fe(NO3)2 = Fe(OH)2 + Ba(NO3)2
NH4Cl + N2 = NH4N + Cl =>
2 NH4Cl + N2 = 2 NH4N + 2 Cl
CH3OCH3OH + O2 = CO2 + H2O =>
4 CH3OCH3OH + 11 O2 = 8 CO2 + 14 H2O
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
HBr + C6H12 = C6H13Br =>
HBr + C6H12 = C6H13Br
SO2 + H2O = H2SO3H + H2SO4 =>
3 SO2 + 4 H2O = 2 H2SO3H + H2SO4
C + Cr2O3 = CO2 + Cr =>
3 C + 2 Cr2O3 = 3 CO2 + 4 Cr
NO2 + O2 + H2O = HNO3 =>
4 NO2 + O2 + 2 H2O = 4 HNO3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Ag2S + CuCl2 = AgCl + CuS =>
Ag2S + CuCl2 = 2 AgCl + CuS
CoBr4 + Al2(SO4)3 = Co(SO4)2 + AlBr3 =>
3 CoBr4 + 2 Al2(SO4)3 = 3 Co(SO4)2 + 4 AlBr3
Mg + HNO3 = Mg(NO3)2 + NH4NO3 + H2O =>
4 Mg + 10 HNO3 = 4 Mg(NO3)2 + NH4NO3 + 3 H2O
Ag + S = Ag2S = =>
2 Ag + S = Ag2S
Pb(OH)4 + Cu2O = PbO2 + CuOH =>
Pb(OH)4 + 2 Cu2O = PbO2 + 4 CuOH
FeCl2 + K2Cr2O7 + HCl = FeCl3 + CrCl3 + H2O + KCl =>
6 FeCl2 + K2Cr2O7 + 14 HCl = 6 FeCl3 + 2 CrCl3 + 7 H2O + 2 KCl
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu =>
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu
C + Cr2O3 = CO2 + Cr =>
3 C + 2 Cr2O3 = 3 CO2 + 4 Cr
FeCl2 + SO2 + H2O = FeCl + H2SO4 + HCl =>
2 FeCl2 + SO2 + 2 H2O = 2 FeCl + H2SO4 + 2 HCl
NiPO4 + Ag2SO4 = Ni2(SO4)3 + Ag3PO4 =>
2 NiPO4 + 3 Ag2SO4 = Ni2(SO4)3 + 2 Ag3PO4
C2H5NH2 + H2O = OH + HC2H5NH2 =>
C2H5NH2 + H2O = OH + HC2H5NH2
AgNO3 + AlCl3 = AgCl + Al(NO3)3 =>
3 AgNO3 + AlCl3 = 3 AgCl + Al(NO3)3
Zr(NO3)4 + Al(OH)3 = Al(NO3)3 + Zr(OH)4 =>
3 Zr(NO3)4 + 4 Al(OH)3 = 4 Al(NO3)3 + 3 Zr(OH)4
Fe + S2 = Fe2S3 =>
4 Fe + 3 S2 = 2 Fe2S3
K2S(aq) + HCl(aq) = K2Cl + HS =>
K2S(aq) + HCl(aq) = K2Cl + HS
HBr + C6H12 = C6H13Br =>
HBr + C6H12 = C6H13Br
C + Cr2O3 = CO2 + Cr =>
3 C + 2 Cr2O3 = 3 CO2 + 4 Cr
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