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Pb + HOH = PbOH2
KMnO4 + HCl = KCl + MnCl2 + H2O2 + Cl9 =>
9 KMnO4 + 36 HCl = 9 KCl + 9 MnCl2 + 18 H2O2 + Cl9
Cu + H2O2 = Cu(OH)2 =>
Cu + H2O2 = Cu(OH)2
MnBr2 + NaBiO3 + H2SO4 = NaMnO4 + NaBrO3 + Bi2(SO4)3 + Na2SO4 + H2O =>
4 MnBr2 + 34 NaBiO3 + 62 H2SO4 = 4 NaMnO4 + 8 NaBrO3 + 17 Bi2(SO4)3 + 11 Na2SO4 + 62 H2O
K + Hg2 = KHg =>
2 K + Hg2 = 2 KHg
Cr2O7{-2} + H2S + H{+} = Cr{+3} + S + H2O =>
Cr2O7{-2} + 3 H2S + 8 H{+} = 2 Cr{+3} + 3 S + 7 H2O
Fe(NO3)3 + K2CrO4 = Fe2(CrO4) + K(NO3)3 =>
2 Fe(NO3)3 + K2CrO4 = Fe2(CrO4) + 2 K(NO3)3
NH4Cl + CaH2 = CaCl2 + NH + H2 =>
2 NH4Cl + CaH2 = CaCl2 + 2 NH + 4 H2
HCl + SO3 = ClSO3H =>
HCl + SO3 = ClSO3H
K2MnO4 + MgI2 + HNO3 = I2 + Mg(NO3)2 + Mn(NO3)2 + KNO3 + H2O =>
K2MnO4 + 2 MgI2 + 8 HNO3 = 2 I2 + 2 Mg(NO3)2 + Mn(NO3)2 + 2 KNO3 + 4 H2O
Pb(ClO)2 = PbCl2 + O2 =>
Pb(ClO)2 = PbCl2 + O2
Na2CO3(aq) + CoCl2(aq) = NaCl + CoCO3 =>
Na2CO3(aq) + CoCl2(aq) = 2 NaCl + CoCO3
Fe{3+} + Au{+} = Fe{2+} + Au{3+} =>
2 Fe{3+} + Au{+} = 2 Fe{2+} + Au{3+}
Mg = {-} + Mg{2} =>
Mg = 2e + Mg{2}
CH3CH2CH2CH2OH + HBr = CH3CH2CH2CH2Br + H2O =>
CH3CH2CH2CH2OH + HBr = CH3CH2CH2CH2Br + H2O
COCl2 + CUSO4 = CUCl2 + COSO4 =>
COCl2 + CUSO4 = CUCl2 + COSO4
C5H13N + HCl = C5H14NCl =>
C5H13N + HCl = C5H14NCl
Cl2 + CrBr3 = Cr + ClBr2 =>
3 Cl2 + 4 CrBr3 = 4 Cr + 6 ClBr2
Mg(aq) + H2O(aq) = Mg(OH)2(aq) + H2(g) =>
Mg(aq) + 2 H2O(aq) = Mg(OH)2(aq) + H2(g)
K2Cr2O7 + KI + H2SO4 = K2SO4 + Cr2(S4)3 + I2 + H2O =>
K2Cr2O7 + 84 KI + 55 H2SO4 = 43 K2SO4 + Cr2(S4)3 + 42 I2 + 55 H2O
LiNO3 + CO3 = Li2CO3 + NO3 =>
2 LiNO3 + CO3 = Li2CO3 + 2 NO3
Al(s) + Cr(NO3)2(aq) = Cr(s) + Al(NO3)3(aq) =>
2 Al(s) + 3 Cr(NO3)2(aq) = 3 Cr(s) + 2 Al(NO3)3(aq)
MnO2 + H2SO4 + KBr = KHSO4 + MnSO4 + H2O + Br =>
MnO2 + 3 H2SO4 + 2 KBr = 2 KHSO4 + MnSO4 + 2 H2O + 2 Br
Ag2(s) + H2S(g) = Ag2S(s) + H2(g) =>
Ag2(s) + H2S(g) = Ag2S(s) + H2(g)
Pb(s) + P(s) = Pb3P4 =>
3 Pb(s) + 4 P(s) = Pb3P4
MnCn4 = Mn + Cn =>
MnCn4 = Mn + 4 Cn
Al(s) + Cr(NO3)2(aq) = Cr(s) + Al(NO3)3(aq) =>
2 Al(s) + 3 Cr(NO3)2(aq) = 3 Cr(s) + 2 Al(NO3)3(aq)
K2S + HOH = KOH + H2S =>
K2S + 2 HOH = 2 KOH + H2S
K + Hg2 = KHg =>
2 K + Hg2 = 2 KHg
H2S + SO2 = S8 + H2O =>
16 H2S + 8 SO2 = 3 S8 + 16 H2O
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
K2CrO4 + HBr = KBr + CrBr3 + H2O + Br =>
K2CrO4 + 8 HBr = 2 KBr + CrBr3 + 4 H2O + 3 Br
Al + B2O3 = Al2O3 + AlB2 =>
3 Al + B2O3 = Al2O3 + AlB2
Zn + NaNO2 + KOH + H2O = Na2[Zn(OH)4] + NH3 + K2[Zn(OH)4] =>
6 Zn + 2 NaNO2 + 10 KOH + 10 H2O = Na2[Zn(OH)4] + 2 NH3 + 5 K2[Zn(OH)4]
WCl6 + Mg(NO3)2 = W(NO3)6 + MgCl2 =>
WCl6 + 3 Mg(NO3)2 = W(NO3)6 + 3 MgCl2
C20H14O4 + OH = H2O + C20H13O4 =>
C20H14O4 + OH = H2O + C20H13O4
Na2CO3(aq) + CoCl2(aq) = NaCl + CoCO3 =>
Na2CO3(aq) + CoCl2(aq) = 2 NaCl + CoCO3
Pb(NO3)2(aq) + Na2CO3(aq) = PbCO3(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + Na2CO3(aq) = PbCO3(s) + 2 NaNO3(aq)
Ca(s) + H2O(l) = Ca(OH)2(aq) + H2(g) =>
Ca(s) + 2 H2O(l) = Ca(OH)2(aq) + H2(g)
HCOONa = H + COONa =>
HCOONa = H + COONa
KCl(aq) + Na2SO4(aq) = NaCl + K2SO4 =>
2 KCl(aq) + Na2SO4(aq) = 2 NaCl + K2SO4
NaHCO3 + CH3COOH = NaCH3COO + H2O + CO2 =>
NaHCO3 + CH3COOH = NaCH3COO + H2O + CO2
C4H10C + O2 = CO2 + H2O =>
2 C4H10C + 15 O2 = 10 CO2 + 10 H2O
NiSO4 + H2SO4 + HNO3 = Ni2(SO4)3 + NO + H2O =>
6 NiSO4 + 3 H2SO4 + 2 HNO3 = 3 Ni2(SO4)3 + 2 NO + 4 H2O
Au + H2SO4 = AuSO4 + S + H2O =>
3 Au + 4 H2SO4 = 3 AuSO4 + S + 4 H2O
Se + S2 = Se2S2 =>
2 Se + S2 = Se2S2
Ca(HCO3)2Ca(OH)2 = CaCO3H2O =>
Ca(HCO3)2Ca(OH)2 = 2 CaCO3H2O
K2CrO4 + HBr = CrBr3 + Br2 + H2O + KBr =>
2 K2CrO4 + 16 HBr = 2 CrBr3 + 3 Br2 + 8 H2O + 4 KBr
Mg2 + CuO = MgO + Cu2 =>
Mg2 + 2 CuO = 2 MgO + Cu2
KBr + KMnO4 + H2SO4 = Br2 + MnSO4 + K2SO4 + H2O =>
10 KBr + 2 KMnO4 + 8 H2SO4 = 5 Br2 + 2 MnSO4 + 6 K2SO4 + 8 H2O
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