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3 H2S(g) + 2 HFeO2(s) = Fe2S3(s) + 4 H2O(g)
C6H5COOH + Na2CO3 = C6H5COO{-} + Na{+} + H2O + CO2 =>
2 C6H5COOH + Na2CO3 = 2 C6H5COO{-} + 2 Na{+} + H2O + CO2
O11 + C6H12O7 = H2O + CO2 =>
O11 + C6H12O7 = 6 H2O + 6 CO2
CaCl2(aq) + K2C2O4(aq) = CaC2O4 + KCl =>
CaCl2(aq) + K2C2O4(aq) = CaC2O4 + 2 KCl
S + NaOH = NaS + NaS2O3 + H2O =>
7 S + 6 NaOH = 5 NaS + NaS2O3 + 3 H2O
H2S(g) + SO2(g) = S8(s) + H2O(g) =>
16 H2S(g) + 8 SO2(g) = 3 S8(s) + 16 H2O(g)
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
S + NaOH = NaS + NaS2O3 + H2O =>
7 S + 6 NaOH = 5 NaS + NaS2O3 + 3 H2O
CaCO3 + NaCl + H2O = NaHCO3 + CaO + HCl =>
CaCO3 + NaCl + H2O = NaHCO3 + CaO + HCl
Al + KOH = KAl(OH) =>
Al + KOH = KAl(OH)
PO2{-} + H2O = H2PO3{-} =>
PO2{-} + H2O = H2PO3{-}
MnCl2 + PbO2 + HNO3 = HMnO4 + PbCl2 + Pb(NO3)2 + H2O =>
2 MnCl2 + 5 PbO2 + 6 HNO3 = 2 HMnO4 + 2 PbCl2 + 3 Pb(NO3)2 + 2 H2O
C5H5NHCl + H2O = H3O + C5H5N + Cl =>
C5H5NHCl + H2O = H3O + C5H5N + Cl
Zn(s) + Au(NO3)3(aq) = Zn(NO3)2 + Au =>
3 Zn(s) + 2 Au(NO3)3(aq) = 3 Zn(NO3)2 + 2 Au
H2S + CuOH = Cu2S + H2O =>
H2S + 2 CuOH = Cu2S + 2 H2O
Au + NaClO3 + HCl = HAuCl4 + NaCl + H2O =>
2 Au + NaClO3 + 8 HCl = 2 HAuCl4 + NaCl + 3 H2O
H2SO4 + KOH = H3OH3O + KSO4 =>
2 H2SO4 + 2 KOH = H3OH3O + 2 KSO4
BaCl + NH3(SO4) = Ba(SO4) + ClNH3 =>
BaCl + NH3(SO4) = Ba(SO4) + ClNH3
Pb(NO3)2 + FeSO4 = PbSO4 + Fe(NO3)2 =>
Pb(NO3)2 + FeSO4 = PbSO4 + Fe(NO3)2
SO2 + SeO2 + H2O = Se + H2SO4 =>
2 SO2 + SeO2 + 2 H2O = Se + 2 H2SO4
Ag + ZnCO3 = Ag2CO3 + Zn =>
2 Ag + ZnCO3 = Ag2CO3 + Zn
C + Cl2 = C4Cl7 =>
8 C + 7 Cl2 = 2 C4Cl7
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
Hg(NO3)2 + K3PO4 = Hg3(PO4)2 + KNO3 =>
3 Hg(NO3)2 + 2 K3PO4 = Hg3(PO4)2 + 6 KNO3
LiOH + NaOH = OH + LiNa =>
LiOH + NaOH = 2 OH + LiNa
CH2CH2 + H2O + O = CH2OHCH2OH =>
CH2CH2 + H2O + O = CH2OHCH2OH
Fe2 + Al = Fe3Al =>
3 Fe2 + 2 Al = 2 Fe3Al
H2C2O4 + H2SO4 = CO + H2O + SO4 =>
H2C2O4 + H2SO4 = 2 CO + 2 H2O + SO4
SO2 + SeO2 + H2O = Se + H2SO4 =>
2 SO2 + SeO2 + 2 H2O = Se + 2 H2SO4
BaCl2 + Fe = BaCl2Fe =>
BaCl2 + Fe = BaCl2Fe
Fe(s) + NaCl(aq) = FeCl2(aq) + Na(s) =>
Fe(s) + 2 NaCl(aq) = FeCl2(aq) + 2 Na(s)
KCOI = KCI + O2 =>
2 KCOI = 2 KCI + O2
Sn(OH)2 + KOH = K2[Sn(OH)4] =>
Sn(OH)2 + 2 KOH = K2[Sn(OH)4]
Al(s) + Fe2O3(s) = Al2O3(l) + Fe(l) =>
2 Al(s) + Fe2O3(s) = Al2O3(l) + 2 Fe(l)
CH3NH3Cl + H2O = CH3OH + NH4Cl =>
CH3NH3Cl + H2O = CH3OH + NH4Cl
H2SO4 + Li(OH) = Li2(SO4) + H2O =>
H2SO4 + 2 Li(OH) = Li2(SO4) + 2 H2O
MnO2 + Hg + HCl = MnCl2 + Hg2Cl2 + H2O =>
MnO2 + 2 Hg + 4 HCl = MnCl2 + Hg2Cl2 + 2 H2O
BF3 + H2O = H3BO3 + HBF4 =>
4 BF3 + 3 H2O = H3BO3 + 3 HBF4
HF + SiCl4 = SiF4 + HCl =>
4 HF + SiCl4 = SiF4 + 4 HCl
Al(s) + FeBr2(aq) = AlBr3 + Fe =>
2 Al(s) + 3 FeBr2(aq) = 2 AlBr3 + 3 Fe
H2SO4 + Ba(CH3COO)2 = BaSO4 + CH3COOH =>
H2SO4 + Ba(CH3COO)2 = BaSO4 + 2 CH3COOH
OPb + Mg = PbMg + O =>
OPb + Mg = PbMg + O
(NH4)2SiO3 + Al(OH)3 = Al2(SiO3)3 + NH3 + H2O =>
3(NH4)2SiO3 + 2 Al(OH)3 = Al2(SiO3)3 + 6 NH3 + 6 H2O
Sc + HNO3 = Sc(NO3)2 + NO + H2O =>
3 Sc + 8 HNO3 = 3 Sc(NO3)2 + 2 NO + 4 H2O
HCl + BaSO3 = BaCl2 + H2O + SO2 =>
2 HCl + BaSO3 = BaCl2 + H2O + SO2
CH3CH2OH + PBr3 = CH3CH2Br + P(OH)3 =>
3 CH3CH2OH + PBr3 = 3 CH3CH2Br + P(OH)3
Cu + CH4 + O2 = Cu(OH)2 + CO2 =>
2 Cu + CH4 + 3 O2 = 2 Cu(OH)2 + CO2
Na2S2O5 + I2 + H2O = Na2SO4 + H2SO4 + HI =>
Na2S2O5 + 2 I2 + 3 H2O = Na2SO4 + H2SO4 + 4 HI
Na2CO3 + CH3COOH = NaCH3COO + H2CO3 =>
Na2CO3 + 2 CH3COOH = 2 NaCH3COO + H2CO3
H2SO4 + PCl5 = HSO3Cl + POCl3 + HCl =>
H2SO4 + PCl5 = HSO3Cl + POCl3 + HCl
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