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H2O = 2 H + O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
HCHO() + O2() = CO2() + H2O() =>
HCHO() + O2() = CO2() + H2O()
ZnSO4 + H2S = ZnS + H2SO4 =>
ZnSO4 + H2S = ZnS + H2SO4
K2CO3 + HCl = CO2 + H2O + KCl =>
K2CO3 + 2 HCl = CO2 + H2O + 2 KCl
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
H2O = H + O2 =>
2 H2O = 4 H + O2
CH3CH2COH + O2 = CH3CH2COOH =>
2 CH3CH2COH + O2 = 2 CH3CH2COOH
C6H13NO2 + CuO = CO2 + Cu2O + H2O + N2 =>
2 C6H13NO2 + 66 CuO = 12 CO2 + 33 Cu2O + 13 H2O + N2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
C5H12 + Cl2 = C5H9Cl3 + HCl =>
C5H12 + 3 Cl2 = C5H9Cl3 + 3 HCl
Ag + H2SO4 = Ag2SO4 + SO2 + H2O =>
2 Ag + 2 H2SO4 = Ag2SO4 + SO2 + 2 H2O
C3H8 + Mg = Mg(C3H8)2 =>
2 C3H8 + Mg = Mg(C3H8)2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Al2O3 + H2O = Al(OH)3 =>
Al2O3 + 3 H2O = 2 Al(OH)3
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
MgO + H2O = Mg(OH)2 =>
MgO + H2O = Mg(OH)2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
NaCN + CuCO3 = Na2CO3 + Cu(CN)2 =>
2 NaCN + CuCO3 = Na2CO3 + Cu(CN)2
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
Ag{+} + I{-} = AgI =>
Ag{+} + I{-} = AgI
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
AlHCl2 = Al + HCl2 =>
AlHCl2 = Al + HCl2
Pb + ZnCl2 = PbCl2 + Zn =>
Pb + ZnCl2 = PbCl2 + Zn
CH3CH2COH + KMnO4 + KOH = CH3COOK + MnO2 + H2O =>
6 CH3CH2COH + 8 KMnO4 + KOH = 9 CH3COOK + 8 MnO2 + 5 H2O
V2O5 + Ca = CaO + V =>
V2O5 + 5 Ca = 5 CaO + 2 V
Y(NO3)2 + GaPO4 = YPO4 + Ga(NO3)2 =>
Y(NO3)2 + GaPO4 = YPO4 + Ga(NO3)2
CrSO4 + O2 + H2SO4 = Cr2(SO4)3 + H2O =>
4 CrSO4 + O2 + 2 H2SO4 = 2 Cr2(SO4)3 + 2 H2O
Ba(HSO4)2 + HCl = H2SO4 + BaCl2 =>
Ba(HSO4)2 + 2 HCl = 2 H2SO4 + BaCl2
H2SO4(aq) + Ba(OH)2(aq) = H2O(l) + BaSO4(s) =>
H2SO4(aq) + Ba(OH)2(aq) = 2 H2O(l) + BaSO4(s)
Au2O + FeS = Au2S + FeO =>
Au2O + FeS = Au2S + FeO
BaCO3 = BaO + CO2 =>
BaCO3 = BaO + CO2
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
Cr2O7{-2} + CH3OH + H{+} = Cr{3+} + CO2 + H2O =>
Cr2O7{-2} + CH3OH + 8 H{+} = 2 Cr{3+} + CO2 + 6 H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
NaCl + H2SO4 = HCl + Na2SO4 =>
2 NaCl + H2SO4 = 2 HCl + Na2SO4
BrF3 + CH3OH = HF + Br2 + H2O + CF4 =>
2 BrF3 + CH3OH = 2 HF + Br2 + H2O + CF4
PbO2 = PbO + O2 =>
2 PbO2 = 2 PbO + O2
HCl + AgNO3 = Ag3Cl3 + HNO3 =>
3 HCl + 3 AgNO3 = Ag3Cl3 + 3 HNO3
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
Hg2Cl2(aq) + NH3(aq) = Hg(s) + [Hg(NH3)2]Cl2(s) =>
Hg2Cl2(aq) + 2 NH3(aq) = Hg(s) + [Hg(NH3)2]Cl2(s)
NbCl5 + H2O = Nb2O5 + HCl =>
2 NbCl5 + 5 H2O = Nb2O5 + 10 HCl
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
P3 + O2 = P2O3 =>
4 P3 + 9 O2 = 6 P2O3
C6H5COOH + H2O = C6H5COO{-} + H3O{+} =>
C6H5COOH + H2O = C6H5COO{-} + H3O{+}
H2SO3 + O = H2SO4 =>
H2SO3 + O = H2SO4
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
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