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2 NaHSO3(s) = Na2SO3(s)SO2(g)H2O(l)
C + HNO3 = CO2 + NO2 + H2O =>
C + 4 HNO3 = CO2 + 4 NO2 + 2 H2O
Br{-} + MnO4{-} + H2O = Br2 + MnO2 + OH{-} =>
6 Br{-} + 2 MnO4{-} + 4 H2O = 3 Br2 + 2 MnO2 + 8 OH{-}
C6H5COOH + H2O + e = C6H5CH2OH + HO{-} =>
C6H5COOH + 3 H2O + 4e = C6H5CH2OH + 4 HO{-}
HClO3 + Li = LiH + LiClO3 =>
HClO3 + 2 Li = LiH + LiClO3
P4O10 + H2O(l) = H3PO4(aq) =>
P4O10 + 6 H2O(l) = 4 H3PO4(aq)
Al2S3 + K2Cr2O7 + H2O = K2SO4 + Cr(OH)3 + Al(OH)3 + KOH =>
Al2S3 + 4 K2Cr2O7 + 16 H2O = 3 K2SO4 + 8 Cr(OH)3 + 2 Al(OH)3 + 2 KOH
CO2 + Fe(OH)2 = Fe(HCO3)2 =>
2 CO2 + Fe(OH)2 = Fe(HCO3)2
Fe(CO3)3 + HCl = FeCl + H(CO3)3 =>
Fe(CO3)3 + HCl = FeCl + H(CO3)3
ZnCl2 + K2[Fe(CN)6] = Zn[Fe(CN)6] + KCl =>
ZnCl2 + K2[Fe(CN)6] = Zn[Fe(CN)6] + 2 KCl
KMnO4 + H2SO4 + KL = L2 + K2SO4 + MnSO4 + H2O =>
2 KMnO4 + 8 H2SO4 + 10 KL = 5 L2 + 6 K2SO4 + 2 MnSO4 + 8 H2O
NaHH2O = NaOHH2 =>
NaHH2O = NaOHH2
Na3PO4 + CaCl2 = Na3Ca + PO4Cl2 =>
Na3PO4 + CaCl2 = Na3Ca + PO4Cl2
Al(NO3)3(aq) + Ba(OH)2(aq) = Al(OH)3(s) + Ba(NO3)2(aq) =>
2 Al(NO3)3(aq) + 3 Ba(OH)2(aq) = 2 Al(OH)3(s) + 3 Ba(NO3)2(aq)
Zn + HCl = Cl{-} + HZn{+} =>
Zn + HCl = Cl{-} + HZn{+}
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
Al + H3PO4 = AlPO4 + H2 =>
2 Al + 2 H3PO4 = 2 AlPO4 + 3 H2
Mg(OH)2HBr = MgBrH(OH)2 =>
Mg(OH)2HBr = MgBrH(OH)2
NaClO2(s) + Cl2(g) = ClO2(aq) + NaCl(aq) =>
2 NaClO2(s) + Cl2(g) = 2 ClO2(aq) + 2 NaCl(aq)
Ca + K2O = KCa + O2 =>
4 Ca + 2 K2O = 4 KCa + O2
C6H5NO2 + Zn + HCl = C6H5NH3Cl + ZnCl + H2O =>
C6H5NO2 + 6 Zn + 7 HCl = C6H5NH3Cl + 6 ZnCl + 2 H2O
As2S3 + NaOCl + NaOH = Na3AsO3 + Na2SO4 + NaCl + H2O =>
As2S3 + 12 NaOCl + 12 NaOH = 2 Na3AsO3 + 3 Na2SO4 + 12 NaCl + 6 H2O
SnCl2 + HgCl2 + HCl = Hg2Cl2 + H2[SnCl6] =>
SnCl2 + 2 HgCl2 + 2 HCl = Hg2Cl2 + H2[SnCl6]
NaOH + S1O2 = Na2SO3 + H2O =>
2 NaOH + S1O2 = Na2SO3 + H2O
CaOH2O = Ca(OH)2 =>
CaOH2O = Ca(OH)2
Cr{3+} + PO4{3-} = CrPO4 =>
Cr{3+} + PO4{3-} = CrPO4
MgCO3 + HNo3 = Mg(No3)2 + H2O + CO2 =>
MgCO3 + 2 HNo3 = Mg(No3)2 + H2O + CO2
Si + O{2} = SiO{2} =>
Si + O{2} = SiO{2}
H2O + MnO4{-} + Br{-} = MnO{2} + BrO3{-} + OH{-} =>
3 H2O + 2 MnO4{-} + Br{-} = 2 MnO{2} + BrO3{-} + 6 OH{-}
H2NCH2CH2SH + NaOH = H2O + H2NCH2CH2SNa =>
H2NCH2CH2SH + NaOH = H2O + H2NCH2CH2SNa
Al3 + Cl2 = AlCl3 =>
2 Al3 + 9 Cl2 = 6 AlCl3
CD = C2D2 =>
2 CD = C2D2
NH4HCO3 + O2 = NH4CO3 + H2O =>
4 NH4HCO3 + O2 = 4 NH4CO3 + 2 H2O
Mn(OH)2 + O2 = Mn2O3 + H2O =>
4 Mn(OH)2 + O2 = 2 Mn2O3 + 4 H2O
FeO + HNO3 = Fe2O3 + NO + H2O =>
6 FeO + 2 HNO3 = 3 Fe2O3 + 2 NO + H2O
CO2 + Fe(OH)2 = Fe(HCO3)2 =>
2 CO2 + Fe(OH)2 = Fe(HCO3)2
MnO2 + KOH + H2SO4 = KMnO4 + MnSO4 + H2O =>
5 MnO2 + 2 KOH + 3 H2SO4 = 2 KMnO4 + 3 MnSO4 + 4 H2O
Al(OH)3 + H2CO3 = Al2(CO3)03 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)03 + 6 H2O
NaClO3 + HCl = NaCl + ClO3 + H2 =>
2 NaClO3 + 2 HCl = 2 NaCl + 2 ClO3 + H2
As + O2 = As2O3 =>
4 As + 3 O2 = 2 As2O3
C7H5O2Na + C2H5OH = C9H10O2 + H2O + Na =>
24 C7H5O2Na + 33 C2H5OH = 26 C9H10O2 + 29 H2O + 24 Na
H2S + Sr(NO3)2 = H2(NO3)2 + SSr =>
H2S + Sr(NO3)2 = H2(NO3)2 + SSr
ZnBr2 + K2CO3 = Zn(CO3) + K2Br2 =>
ZnBr2 + K2CO3 = Zn(CO3) + K2Br2
Ca(ClO2)2 + Na2S + H2O = CaCl2 + NaOH + S =>
Ca(ClO2)2 + 4 Na2S + 4 H2O = CaCl2 + 8 NaOH + 4 S
NaNO2 + H3O = NaNO3 + H2 =>
2 NaNO2 + 2 H3O = 2 NaNO3 + 3 H2
Na + CaSO4 = Ca + SO4Na2 =>
2 Na + CaSO4 = Ca + SO4Na2
Zn + HNO3 = Zn2(NO3) + NO2 + H2O =>
2 Zn + 2 HNO3 = Zn2(NO3) + NO2 + H2O
H + MnO2 = Mn + H2O =>
4 H + MnO2 = Mn + 2 H2O
BaCO3 + CaSO4 = CaCO3 + BaSO4 =>
BaCO3 + CaSO4 = CaCO3 + BaSO4
H2CO2 = H2 + C + O2 =>
H2CO2 = H2 + C + O2
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