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Na2CO3(s) = CO2 + Na2O(s)
Sn + FeCl2 = Fe2 + SnCl2 =>
2 Sn + 2 FeCl2 = Fe2 + 2 SnCl2
NaNO3 + FeCl2 + HCl = NaCl + FeCl3 + H2O + NO =>
NaNO3 + 3 FeCl2 + 4 HCl = NaCl + 3 FeCl3 + 2 H2O + NO
Ca3N2 + NaOH = Ca(OH)2 + Na3N =>
Ca3N2 + 6 NaOH = 3 Ca(OH)2 + 2 Na3N
NH3 + HCl + O2 = NH4ClO3 =>
2 NH3 + 2 HCl + 3 O2 = 2 NH4ClO3
Fe2(SO4)3 + Fe + K3[Fe(CN)6] = Fe4[Fe(CN)6]3 + K2(SO4) =>
3 Fe2(SO4)3 + 2 Fe + 6 K3[Fe(CN)6] = 2 Fe4[Fe(CN)6]3 + 9 K2(SO4)
Na2O + FeO = Na2Fe + O2 =>
Na2O + FeO = Na2Fe + O2
Zn(OH)2 + SO2 = ZnSO3 + H2O =>
Zn(OH)2 + SO2 = ZnSO3 + H2O
P4 + S2 = P7S5 =>
7 P4 + 10 S2 = 4 P7S5
Al2(CrO4)3 + (NH4)2SO4 = (NH4)2CrO4 + Al2(SO4)3 =>
Al2(CrO4)3 + 3(NH4)2SO4 = 3(NH4)2CrO4 + Al2(SO4)3
Fe2O3 + C2 = Fe + CO =>
2 Fe2O3 + 3 C2 = 4 Fe + 6 CO
Ag + NiCl2 = AgNi + Cl2 =>
Ag + NiCl2 = AgNi + Cl2
Au + CN = AuCN =>
Au + CN = AuCN
KOH + Cl2 = KCl + H2O2 =>
2 KOH + Cl2 = 2 KCl + H2O2
PbSO4 + NaOH = Na2SO4 + Na2Pb(OH)4 =>
PbSO4 + 4 NaOH = Na2SO4 + Na2Pb(OH)4
BrCH2CH2Br + KOH = C2H2 + KBr + H2O =>
BrCH2CH2Br + 2 KOH = C2H2 + 2 KBr + 2 H2O
FeCl3 + Na2S = Fe + S + NaCl =>
2 FeCl3 + 3 Na2S = 2 Fe + 3 S + 6 NaCl
Mg + FeSO4 = Mg(SO4)2 + Fe =>
Mg + 2 FeSO4 = Mg(SO4)2 + 2 Fe
CH3OH + O2 = H2 + CO2 =>
2 CH3OH + O2 = 4 H2 + 2 CO2
K2O + Ba = BaO2 + K =>
2 K2O + Ba = BaO2 + 4 K
KClO + H2O = HClO + KOH =>
KClO + H2O = HClO + KOH
C6H5COOH + HNO3 = C6H4(COOH)NO2 + H2O =>
C6H5COOH + HNO3 = C6H4(COOH)NO2 + H2O
KJ + H2SO4 = K2SO4 + H2S + J2 + H2O =>
8 KJ + 5 H2SO4 = 4 K2SO4 + H2S + 4 J2 + 4 H2O
AgNO3 + NH3 = AgNH2 + HNO3 =>
AgNO3 + NH3 = AgNH2 + HNO3
CoCl2*6H2O + NH4Cl + NH3 + H2O2 = [Co(NH3)5Cl]Cl2 + H2O =>
2 CoCl2*6H2O + 2 NH4Cl + 8 NH3 + H2O2 = 2[Co(NH3)5Cl]Cl2 + 14 H2O
Fe{3+} + O{-2} = Fe2O3 =>
2 Fe{3+} + 3 O{-2} = Fe2O3
H3PO4 + NH4 = (NH4)2H3PO4 =>
H3PO4 + 2 NH4 = (NH4)2H3PO4
Co(OH)2 + NaOH = Co(OH)3 + Na =>
Co(OH)2 + NaOH = Co(OH)3 + Na
C3H7Br + KCN = C3H7CN + KBr =>
C3H7Br + KCN = C3H7CN + KBr
SnCl2 + I2 = SnCl4 + SnI2 =>
2 SnCl2 + I2 = SnCl4 + SnI2
Br2 + KI = KBr + I2 =>
Br2 + 2 KI = 2 KBr + I2
C6H5NH3Cl + NaOH = C6H5NH2 + H2O + NaCl =>
C6H5NH3Cl + NaOH = C6H5NH2 + H2O + NaCl
PCl5 + O2 = P2O5 + Cl2O7 =>
2 PCl5 + 20 O2 = P2O5 + 5 Cl2O7
SO2 + Fe = SO2Fe =>
SO2 + Fe = SO2Fe
BI3 = B + I =>
BI3 = B + 3 I
Cl + NaS2 = ClS + Na =>
2 Cl + NaS2 = 2 ClS + Na
HCOONa + H2SO4 = HCOOH + NaHSO4 =>
HCOONa + H2SO4 = HCOOH + NaHSO4
C12H22O11 + O2 = CO2 + water =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
Mo + HCl = MoCl3 + H2 =>
2 Mo + 6 HCl = 2 MoCl3 + 3 H2
AgNO3 + CrBr = AgBr + CrNO3 =>
AgNO3 + CrBr = AgBr + CrNO3
Cu + HCl = Cu(Cl)2 + H2 =>
Cu + 2 HCl = Cu(Cl)2 + H2
Li3PO4 + FeBr2 = Fe3(PO4)2 + LiBr =>
2 Li3PO4 + 3 FeBr2 = Fe3(PO4)2 + 6 LiBr
S + BaCl2 = BaS + Cl =>
S + BaCl2 = BaS + 2 Cl
Al + H20SO4 = H2 + Al2(SO4)3 =>
2 Al + 3 H20SO4 = 30 H2 + Al2(SO4)3
Na + H5O = Na5O5H + H2 =>
5 Na + 5 H5O = Na5O5H + 12 H2
Pb(NO3)2HNO3 = Pb(NO3)2 + HNO3 =>
Pb(NO3)2HNO3 = Pb(NO3)2 + HNO3
(CH3COO)2CuH2O + H2NCH2COOH = (H2NCH2COO)2CuH2O + CH3COOH =>
(CH3COO)2CuH2O + 2 H2NCH2COOH = (H2NCH2COO)2CuH2O + 2 CH3COOH
(ZnOH)2SO4 + H2O = Zn(OH)2 + H2SO4 =>
(ZnOH)2SO4 + 2 H2O = 2 Zn(OH)2 + H2SO4
NH4OH + O2 = NO + H2O =>
4 NH4OH + 5 O2 = 4 NO + 10 H2O
Co(NO3)2 + NH3 = CoH3 + N(NO3)2 =>
Co(NO3)2 + NH3 = CoH3 + N(NO3)2
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