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2 NaHSO3(s) = Na2SO3(s) + SO2(g) + H2O(l)
H3BO3 + FeCl3 = FeBO3 + HCl =>
H3BO3 + FeCl3 = FeBO3 + 3 HCl
Ca(OH)2 + Br = BrOH + Ca =>
Ca(OH)2 + 2 Br = 2 BrOH + Ca
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Cu(OH)2 + H2S = Cu2O + S + H2O =>
2 Cu(OH)2 + H2S = Cu2O + S + 3 H2O
K3 + O2 = K2O =>
4 K3 + 3 O2 = 6 K2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
HCH3CO2(aq) + CaCO3 = HCO3 + CaCH3CO2 =>
HCH3CO2(aq) + CaCO3 = HCO3 + CaCH3CO2
H2(Cr2O7) + Cu(OH)2 = CuCr2O7 + H2O =>
H2(Cr2O7) + Cu(OH)2 = CuCr2O7 + 2 H2O
Mn(NO3)2 + H2S = MnS + HNO3 =>
Mn(NO3)2 + H2S = MnS + 2 HNO3
KOH + Cl2 = KClO3 + KCl + H2O =>
6 KOH + 3 Cl2 = KClO3 + 5 KCl + 3 H2O
Fe2O3 + Al + Mg = FeMg + AlO3 =>
Fe2O3 + Al + 2 Mg = 2 FeMg + AlO3
NaCl + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + Cl2 + H2O + NaSO4 + K2SO4 =>
6 NaCl + 2 K2Cr2O7 + 14 H2SO4 = 2 Cr2(SO4)3 + 3 Cl2 + 14 H2O + 6 NaSO4 + 2 K2SO4
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Na2C2O4 + KMnO4 + H2SO4 = MnSO4 + K2SO4 + NaSO4 + CO2 + H2O =>
5 Na2C2O4 + 4 KMnO4 + 16 H2SO4 = 4 MnSO4 + 2 K2SO4 + 10 NaSO4 + 10 CO2 + 16 H2O
AgNO3 + Na(OH)2 = Ag(OH)2 + Na(NO3) =>
AgNO3 + Na(OH)2 = Ag(OH)2 + Na(NO3)
HCHO2 + NaOH = HCO3 + Na + H2O =>
HCHO2 + 3 NaOH = HCO3 + 3 Na + 2 H2O
PCl5 + KOH = H3PO4 + KCl + H2O =>
PCl5 + 5 KOH = H3PO4 + 5 KCl + H2O
NiCl2*2H2O = NiCl2 + H2O =>
NiCl2*2H2O = NiCl2 + 2 H2O
CH3COONH4 + H2O = CH3COONH3 + H3O =>
CH3COONH4 + H2O = CH3COONH3 + H3O
S(s) + HCl = H2S(aq) + Cl =>
S(s) + 2 HCl = H2S(aq) + 2 Cl
O2{2-} + SO3 = SO4{-} =>
O2{2-} + 2 SO3 = 2 SO4{-}
K2CrO4 + Cr2O3 + KOH = K3CrO4 + H2O =>
4 K2CrO4 + Cr2O3 + 10 KOH = 6 K3CrO4 + 5 H2O
ZnCO3 + NaCl = ZnCl2 + Na2CO3 =>
ZnCO3 + 2 NaCl = ZnCl2 + Na2CO3
C3H7NH2 + HCl = C3H7NH3Cl =>
C3H7NH2 + HCl = C3H7NH3Cl
NiSO4 + NH3 + H2O = Ni(NH3)6(OH)2 + (NH4)2SO4 =>
NiSO4 + 8 NH3 + 2 H2O = Ni(NH3)6(OH)2 + (NH4)2SO4
HCl + CaCO3 = Ca + CO2 + H2O + Cl =>
2 HCl + CaCO3 = Ca + CO2 + H2O + 2 Cl
S8 + Cl2 = S2Cl2 =>
S8 + 4 Cl2 = 4 S2Cl2
Ag2SO3(s) = Ag2 + SO3 =>
Ag2SO3(s) = Ag2 + SO3
Ag2O + NaOH = AgOH + Na2O =>
Ag2O + 2 NaOH = 2 AgOH + Na2O
Ca(OH)2 + Hg2(NO8)22H2O = Ca(NO8)2 + Hg2(OH)22H2O =>
11 Ca(OH)2 + Hg2(NO8)22H2O = 11 Ca(NO8)2 + Hg2(OH)22H2O
CuSO4 + K4Fe(CN)6 = Cu2Fe(CN)6 + K2SO4 =>
2 CuSO4 + K4Fe(CN)6 = Cu2Fe(CN)6 + 2 K2SO4
I{-} + Fe{3+} = FeI{2+} =>
I{-} + Fe{3+} = FeI{2+}
MgO + BaSO4 = MgSO4 + BaO =>
MgO + BaSO4 = MgSO4 + BaO
ZnC3 + O2 = ZnO + CO2 =>
2 ZnC3 + 7 O2 = 2 ZnO + 6 CO2
ZnCl + Cu2 = ZnClCu2 =>
ZnCl + Cu2 = ZnClCu2
Ag + PbNo3 = Pb + AgNo3 =>
Ag + PbNo3 = Pb + AgNo3
H2N2O2 + Ra(OH)2 = RaN2O2 + H2O =>
H2N2O2 + Ra(OH)2 = RaN2O2 + 2 H2O
Zn + SgNO3 = Zn(NO3)2 + Sg =>
Zn + 2 SgNO3 = Zn(NO3)2 + 2 Sg
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Ba(OH)2 = BaO + H2O =>
Ba(OH)2 = BaO + H2O
Be(OH)2 + CaCl2 = Ca(OH)2 + BeCl2 =>
Be(OH)2 + CaCl2 = Ca(OH)2 + BeCl2
C8H18(l) + O2(g) = CO2(g) + H2O(l) =>
2 C8H18(l) + 25 O2(g) = 16 CO2(g) + 18 H2O(l)
Ca(OH2) + H(NO3) = Ca(NO3) + H(OH2) =>
Ca(OH2) + H(NO3) = Ca(NO3) + H(OH2)
Pb(NO3)2 + K2CO3 = PbCO3 + KNO3 =>
Pb(NO3)2 + K2CO3 = PbCO3 + 2 KNO3
C2H42OH + O2 = CO2 + H2O =>
4 C2H42OH + 49 O2 = 8 CO2 + 86 H2O
Ca(s) + H3PO4(aq) = Ca3(PO4)2 + H2 =>
3 Ca(s) + 2 H3PO4(aq) = Ca3(PO4)2 + 3 H2
CHCCH2CH3 + KMnO4 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
5 CHCCH2CH3 + 6 KMnO4 + 9 H2SO4 = 10 CH3COOH + 6 MnSO4 + 3 K2SO4 + 4 H2O
Fe3O4(s) + H2(g) = Fe(s) + H2O(g) =>
Fe3O4(s) + 4 H2(g) = 3 Fe(s) + 4 H2O(g)
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