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2 C + O2 = 2 CO
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
K4[Fe(CN)6] + NaOH = Fe(OH)2 + K4[Na2(CN)6] =>
K4[Fe(CN)6] + 2 NaOH = Fe(OH)2 + K4[Na2(CN)6]
HCI + CaCO3 = CaCI2 + H2O + CO =>
2 HCI + CaCO3 = CaCI2 + H2O + 2 CO
NaSi + HCl = NaCl + HSi =>
NaSi + HCl = NaCl + HSi
Na3N + H2SO4 = Na3SO4 + H2N =>
Na3N + H2SO4 = Na3SO4 + H2N
AgNO3(aq) + Mg(aq) = Ag(s) + Mg(NO3)2(aq) =>
2 AgNO3(aq) + Mg(aq) = 2 Ag(s) + Mg(NO3)2(aq)
KNO3 + Cr2(SO4) + Na2(CO3) = KNO2 + NaCrO4 + Na2SO4 + CO2 =>
6 KNO3 + Cr2(SO4) + 2 Na2(CO3) = 6 KNO2 + 2 NaCrO4 + Na2SO4 + 2 CO2
S{-2} + I2 = I{-} + S =>
S{-2} + I2 = 2 I{-} + S
Pb(NO3)2 + Na2Co3 = Pb(Co3)2 + Na2(NO3) =>
Pb(NO3)2 + 2 Na2Co3 = Pb(Co3)2 + 2 Na2(NO3)
CaO + Al = Al2O3 + Ca =>
3 CaO + 2 Al = Al2O3 + 3 Ca
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
CuS + HNO3 = Cu(NO3)2 + SO2 + H2O + NO =>
CuS + 4 HNO3 = Cu(NO3)2 + SO2 + 2 H2O + 2 NO
Eu + HF = EuF3 + H2 =>
2 Eu + 6 HF = 2 EuF3 + 3 H2
Al(C2H3O2)3 = Al + H2 + C + O2 =>
2 Al(C2H3O2)3 = 2 Al + 9 H2 + 12 C + 6 O2
K2SO4 + Cu(NO3)2 = CuSO4 + K2(NO3)2 =>
K2SO4 + Cu(NO3)2 = CuSO4 + K2(NO3)2
SiH4 + AgNO3 + H2O = Ag + HNO3 + H2SiO3 =>
SiH4 + 8 AgNO3 + 3 H2O = 8 Ag + 8 HNO3 + H2SiO3
FeCl3 + (NH4)2S = Fe2S3 + NH4Cl =>
2 FeCl3 + 3(NH4)2S = Fe2S3 + 6 NH4Cl
CuSO4 + NH3*H2O = (CuOH)2SO4 + (NH4)2SO4 =>
2 CuSO4 + 2 NH3*H2O = (CuOH)2SO4 + (NH4)2SO4
NH4Cl(s) + H2O(l) = HCl + NH4OH =>
NH4Cl(s) + H2O(l) = HCl + NH4OH
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
CH3CH(OH)CN + NH3 = CH3CH(NH2)CN + H2O =>
CH3CH(OH)CN + NH3 = CH3CH(NH2)CN + H2O
NaHCO3 + HCl = NaCl + H2O + CO2 =>
NaHCO3 + HCl = NaCl + H2O + CO2
FeCl3 + Zn(OH)2 = Fe(OH)2 + ZnCl3 =>
FeCl3 + Zn(OH)2 = Fe(OH)2 + ZnCl3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
PbSO4 + CaO2 = PbO2 + CaSO4 =>
PbSO4 + CaO2 = PbO2 + CaSO4
GaF3 + Cs = CsF + Ga =>
GaF3 + 3 Cs = 3 CsF + Ga
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
As(OH)3 + KI + H2SO4 = AsH3 + K2SO4 + I2 + H2O =>
As(OH)3 + 6 KI + 3 H2SO4 = AsH3 + 3 K2SO4 + 3 I2 + 3 H2O
NH4Br + SrOH = SrBr + NH3 + H2O =>
NH4Br + SrOH = SrBr + NH3 + H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
KMnO4 + H2SO4 + Na2SO3 = Na2SO4 + K2SO4 + MnSO4 + H2O =>
2 KMnO4 + 3 H2SO4 + 5 Na2SO3 = 5 Na2SO4 + K2SO4 + 2 MnSO4 + 3 H2O
NH4OH + NaHSO4 = (NH4)2SO4 + NaOH + H2O =>
2 NH4OH + NaHSO4 = (NH4)2SO4 + NaOH + H2O
Ag2SO4 + Ni = NiSO4 + Ag =>
Ag2SO4 + Ni = NiSO4 + 2 Ag
CH3CH2Cl + O2 = CO2 + H2O + HCl =>
CH3CH2Cl + 3 O2 = 2 CO2 + 2 H2O + HCl
FeCl3 + FeSO4 = Fe2(SO4)3 + FeCl2 =>
2 FeCl3 + 3 FeSO4 = Fe2(SO4)3 + 3 FeCl2
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
CuO + C = Cu + CO =>
CuO + C = Cu + CO
NaHSO4 + NaClO2 = Na2SO4 + NaCl + ClO2 + H2O =>
4 NaHSO4 + 5 NaClO2 = 4 Na2SO4 + NaCl + 4 ClO2 + 2 H2O
CaH2 + H2SO4 = CaSO4 + SO2 + H2O =>
CaH2 + 3 H2SO4 = CaSO4 + 2 SO2 + 4 H2O
Cr(OH)3 + NaOH = NaCrO2 + H2O =>
Cr(OH)3 + NaOH = NaCrO2 + 2 H2O
Na(s)H2O(l) = NaOH(aq) + H2(g) =>
2 Na(s)H2O(l) = 2 NaOH(aq) + H2(g)
H2O + Al2(SO4)3*18H2O + K2SO4 = KAl(SO4)2*12H2O =>
6 H2O + Al2(SO4)3*18H2O + K2SO4 = 2 KAl(SO4)2*12H2O
Na2S + Pb(NO3)2 = NaNO3 + Pb(S) =>
Na2S + Pb(NO3)2 = 2 NaNO3 + Pb(S)
[Cu(H2O)6] + HCl = [Cu(H2O)6]Cl2 + H2 =>
[Cu(H2O)6] + 2 HCl = [Cu(H2O)6]Cl2 + H2
CH2O + H2 = CH3OH =>
CH2O + H2 = CH3OH
CO{+} + HCl{+} = CO{2+} + HCl =>
CO{+} + HCl{+} = CO{2+} + HCl
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