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Co2 + 4 NO3 = 2 Co(NO3)2
KMnO4 + SO2 = KMnO2 + SO4 =>
KMnO4 + SO2 = KMnO2 + SO4
Na2 + OH = NaOH =>
Na2 + 2 OH = 2 NaOH
C3H6O2 + K2CO3 = C3H5O2K + H2O + CO2 =>
2 C3H6O2 + K2CO3 = 2 C3H5O2K + H2O + CO2
KBiO3 + Cr2(SO4)3 + H2SO4 = K2Cr2O7 + K2SO4 + Bi2(SO4)3 + H2O =>
6 KBiO3 + 2 Cr2(SO4)3 + 4 H2SO4 = 2 K2Cr2O7 + K2SO4 + 3 Bi2(SO4)3 + 4 H2O
Na2S + ZnCl2 = Zn2S2 + NaCl =>
2 Na2S + 2 ZnCl2 = Zn2S2 + 4 NaCl
Al2O3 + S = Al + SO2 =>
2 Al2O3 + 3 S = 4 Al + 3 SO2
NH4HCO3 + CH3COOH = CH3COONH4 + H2O + CO2 =>
NH4HCO3 + CH3COOH = CH3COONH4 + H2O + CO2
HF + MgBr2 = HBr + MgF2 =>
2 HF + MgBr2 = 2 HBr + MgF2
Ba(OH)2 + HCl = BaCl2 + H2O =>
Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O
K2ZnO2 + H3PO4 = K3PO4 + Zn3(PO4)2 + H2O =>
3 K2ZnO2 + 4 H3PO4 = 2 K3PO4 + Zn3(PO4)2 + 6 H2O
Ac + S = Ac2S3 =>
2 Ac + 3 S = Ac2S3
C6H5NH3OSO3H + NaOH = C6H5NH2 + Na2SO4 + H2O =>
C6H5NH3OSO3H + 2 NaOH = C6H5NH2 + Na2SO4 + 2 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
LiOH + Fe(NO3)3 = Fe(OH)3 + LiNO3 =>
3 LiOH + Fe(NO3)3 = Fe(OH)3 + 3 LiNO3
Li + HNO3 = Li(NO3) + H2O + N2O =>
8 Li + 10 HNO3 = 8 Li(NO3) + 5 H2O + N2O
Ba02 + H2SO4 = BaSO4 + H202 =>
101 Ba02 + 202 H2SO4 = 202 BaSO4 + 2 H202
FeCl3 + SO2 = FeS + Cl2 + O2 =>
2 FeCl3 + 2 SO2 = 2 FeS + 3 Cl2 + 2 O2
NiCl2 + NaHPO4 = Ni(HPO4)2 + NaCl =>
NiCl2 + 2 NaHPO4 = Ni(HPO4)2 + 2 NaCl
C3H6O + NaOH = C3H5ONa + H2O =>
C3H6O + NaOH = C3H5ONa + H2O
HCHO2(aq) + NaHCO3(s) = CO2(g) + H2O(l) + NaCHO2(aq) =>
HCHO2(aq) + NaHCO3(s) = CO2(g) + H2O(l) + NaCHO2(aq)
CH4 + HCl = CH3Cl + H2 =>
CH4 + HCl = CH3Cl + H2
Pb + AgNO3 = Pb(NO3)Ag =>
Pb + AgNO3 = Pb(NO3)Ag
FeI2 + NO2 + H2O = I2 + N2 + Fe(OH)3 =>
8 FeI2 + 6 NO2 + 12 H2O = 8 I2 + 3 N2 + 8 Fe(OH)3
AgCN = CN + Ag =>
AgCN = CN + Ag
PbS(k) + O2(d) = PbO(k) + SO2(d) =>
2 PbS(k) + 3 O2(d) = 2 PbO(k) + 2 SO2(d)
H2SO4 + BaCl2 = BaSO4 + HCl =>
H2SO4 + BaCl2 = BaSO4 + 2 HCl
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
C2H4(OH)2 + KMnO4 + H2SO4 = HOOCCOOH + MnSO4 + K2SO4 + H2O =>
5 C2H4(OH)2 + 8 KMnO4 + 12 H2SO4 = 5 HOOCCOOH + 8 MnSO4 + 4 K2SO4 + 22 H2O
FeCl2 + Ag = AgCl + Fe =>
FeCl2 + 2 Ag = 2 AgCl + Fe
Na2SO4 + NaOH = Na2O + NaSO4H =>
Na2SO4 + NaOH = Na2O + NaSO4H
As2O3 + Al + HCl = AsH3 + AlCl3 + H2O =>
As2O3 + 4 Al + 12 HCl = 2 AsH3 + 4 AlCl3 + 3 H2O
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
C5H10Cl2 + Na = C5H10 + NaCl =>
C5H10Cl2 + 2 Na = C5H10 + 2 NaCl
SO2(g) + H2O(l) = SO(OH)2 =>
SO2(g) + H2O(l) = SO(OH)2
AlPO4 + KCl = AlCl3 + K3PO4 =>
AlPO4 + 3 KCl = AlCl3 + K3PO4
BaSO4 + CaCl2 = BaCl2 + CaSO4 =>
BaSO4 + CaCl2 = BaCl2 + CaSO4
Al + ClH2 = AlCl3 + H2 =>
Al + 3 ClH2 = AlCl3 + 3 H2
CHOOCH2CH3 + NaOH = CH3COONa + CH3OH =>
CHOOCH2CH3 + NaOH = CH3COONa + CH3OH
C3H8(g) = C(s) + H2(g) =>
C3H8(g) = 3 C(s) + 4 H2(g)
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
Cl2 + H2O + As2O3 = H3AsO4 + HCl =>
2 Cl2 + 5 H2O + As2O3 = 2 H3AsO4 + 4 HCl
C + O2 = CO2 =>
C + O2 = CO2
H3PO4 + KOH = K + H2PO4 + H2O =>
H3PO4 + KOH = K + H2PO4 + H2O
MnCl2 + KClO3 + KOH = K3MnO4 + KCl + H2O =>
2 MnCl2 + KClO3 + 10 KOH = 2 K3MnO4 + 5 KCl + 5 H2O
Al + Al(SO4)3 = Al2SO4 =>
5 Al + Al(SO4)3 = 3 Al2SO4
CaS + O2 = CaO + SO2 =>
2 CaS + 3 O2 = 2 CaO + 2 SO2
Ac + S = Ac2S3 =>
2 Ac + 3 S = Ac2S3
NH4Cl + AgNO3 = NH4NO3 + AgCl =>
NH4Cl + AgNO3 = NH4NO3 + AgCl
TiCl4(l) + O2(g) = TiO2(s) + Cl2(g) =>
TiCl4(l) + O2(g) = TiO2(s) + 2 Cl2(g)
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