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N2 + 3 H2 = 2 NH3
I2 + KIO3 = IO2 + KI =>
3 I2 + 4 KIO3 = 6 IO2 + 4 KI
CaCl2H2O = CaOHClHCl =>
CaCl2H2O = CaOHClHCl
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
KNO3 = KNO2O =>
KNO3 = KNO2O
As(OH)3 = As2O3 + H2O =>
2 As(OH)3 = As2O3 + 3 H2O
CaOS2O = CaS2O2 =>
CaOS2O = CaS2O2
PbSO4 + O2 = PbO + SO4 =>
2 PbSO4 + O2 = 2 PbO + 2 SO4
NaI = Na(s)I(s) =>
NaI = Na(s)I(s)
H1 + Cl1 = HCl1 =>
H1 + Cl1 = HCl1
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Fe(OH)2 + NaOH = Na(OH)2 + FeOH =>
Fe(OH)2 + NaOH = Na(OH)2 + FeOH
F2 + PbI2 = PbF4 + I2 =>
2 F2 + PbI2 = PbF4 + I2
CH3CH2CH2CH2CH2OH + Na = CH3CH2CH2CH2CH2ONa + H2 =>
2 CH3CH2CH2CH2CH2OH + 2 Na = 2 CH3CH2CH2CH2CH2ONa + H2
ZnSO3(s) = ZnO(s) + SO2 =>
ZnSO3(s) = ZnO(s) + SO2
S + SO4{2-} + H2O = SO3{2-} + H{+} =>
S + 2 SO4{2-} + H2O = 3 SO3{2-} + 2 H{+}
K2CO3 + CH3COOH = H2O + CO2 + CH3COOK =>
K2CO3 + 2 CH3COOH = H2O + CO2 + 2 CH3COOK
H2S + KOH = H2O + K2S =>
H2S + 2 KOH = 2 H2O + K2S
HCl(aq) + ZnSO3(aq) = SO2(g) + H2O(l) + ZnCl2(aq) =>
2 HCl(aq) + ZnSO3(aq) = SO2(g) + H2O(l) + ZnCl2(aq)
XCHO + Cu(OH)2 = XCOOH + Cu + H2O =>
XCHO + Cu(OH)2 = XCOOH + Cu + H2O
CH3COOH + CH3NH2 = CH3COOCH3NH3 =>
CH3COOH + CH3NH2 = CH3COOCH3NH3
U3Si2 + Fe = USi + UFe2 =>
U3Si2 + 2 Fe = 2 USi + UFe2
BaOCuO = BaCuO2 =>
BaOCuO = BaCuO2
C + S = CS2 =>
C + 2 S = CS2
CuAlCl3 = CuCl3Al =>
CuAlCl3 = CuCl3Al
CH3COOC3H7 + KOH = C3H7OH + CH3COOK =>
CH3COOC3H7 + KOH = C3H7OH + CH3COOK
Ba + CO2 = BaCO3 + CO =>
Ba + 2 CO2 = BaCO3 + CO
SiO3 = SiO + O2 =>
SiO3 = SiO + O2
Pb(NO3)2 + AgNO3 = PbAg + NO3 =>
Pb(NO3)2 + AgNO3 = PbAg + 3 NO3
ZnS + NaOH = Zn(OH)2 + Na2S =>
ZnS + 2 NaOH = Zn(OH)2 + Na2S
NaC12H25SO4 + H2O2 = NaOH + HC12H25SO4 + O2 =>
2 NaC12H25SO4 + 2 H2O2 = 2 NaOH + 2 HC12H25SO4 + O2
MnCO3 + H2CO3 = Mn(HCO3)2 =>
MnCO3 + H2CO3 = Mn(HCO3)2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Pb(OH)2HNO3 = PbNO3H(OH)2 =>
Pb(OH)2HNO3 = PbNO3H(OH)2
Fe2 + H2O = Fe3O4 + H2 =>
3 Fe2 + 8 H2O = 2 Fe3O4 + 8 H2
FeS + HClO = Fe(ClO)2 + H2S =>
FeS + 2 HClO = Fe(ClO)2 + H2S
B(s) + O2(g) = B2O3(s) =>
4 B(s) + 3 O2(g) = 2 B2O3(s)
NH4ClO4 + Ba(OH)2 = NH4OH + BaCl2 + O2 =>
2 NH4ClO4 + Ba(OH)2 = 2 NH4OH + BaCl2 + 4 O2
K2O + SiO2 = K2O3Si =>
K2O + SiO2 = K2O3Si
H2AlO3 = AlO2 + H2O =>
H2AlO3 = AlO2 + H2O
K2Cr2O7 + BaCl2 + NaOH = BaCr2O7 + KOH + NaCl =>
K2Cr2O7 + BaCl2 + 2 NaOH = BaCr2O7 + 2 KOH + 2 NaCl
Pb2 + NaOH = Pb(NaOH)4 =>
Pb2 + 8 NaOH = 2 Pb(NaOH)4
KMnO4 + FeCl2 + H2SO4 = K2SO4 + MnSO4 + Cl2 + H2O + Fe2(SO4)3 =>
6 KMnO4 + 10 FeCl2 + 24 H2SO4 = 3 K2SO4 + 6 MnSO4 + 10 Cl2 + 24 H2O + 5 Fe2(SO4)3
AlBr3 + NH4F = AlF3 + NH4Br =>
AlBr3 + 3 NH4F = AlF3 + 3 NH4Br
Cr2(SO4)3 + K2CO3 + HOH = Cr(OH)3 + H2CO3 + K2SO4 =>
Cr2(SO4)3 + 3 K2CO3 + 6 HOH = 2 Cr(OH)3 + 3 H2CO3 + 3 K2SO4
NiCl2(aq) + K2S(aq) = NiS(s) + KCl =>
NiCl2(aq) + K2S(aq) = NiS(s) + 2 KCl
Al(OH)3 + Al2(SO3)3 = [AlOH]SO3 =>
Al(OH)3 + Al2(SO3)3 = 3[AlOH]SO3
Ag2SO4 + AlCl3 = AgCl + Al2(SO4)3 =>
3 Ag2SO4 + 2 AlCl3 = 6 AgCl + Al2(SO4)3
MnO4{2-} + H{+} = Mn{2+} + H2O + MnO4{-} =>
5 MnO4{2-} + 8 H{+} = Mn{2+} + 4 H2O + 4 MnO4{-}
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
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