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2 Zn + Cl = Zn2Cl
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
H2O2 + H3O{+} + e = H2O =>
H2O2 + 2 H3O{+} + 2e = 4 H2O
HCI + AI = AICI + H =>
HCI + AI = AICI + H
N2O6Pb + BrK = Br2Pb + KNO3 =>
N2O6Pb + 2 BrK = Br2Pb + 2 KNO3
S + AE = AES3 =>
3 S + AE = AES3
N2H2 + C10O2H16 = N2 + C10O2H20 =>
2 N2H2 + C10O2H16 = 2 N2 + C10O2H20
NH35 + O25 = H2O + N25 =>
50 NH35 + 35 O25 = 875 H2O + 2 N25
NaHCO3 + C6H8O7H2O = C6H5Na3O7 + CO2 + H2O =>
3 NaHCO3 + C6H8O7H2O = C6H5Na3O7 + 3 CO2 + 4 H2O
H3PO2 + Cr2O7{-2} + H{+} = H3PO4 + Cr{+3} + H2O =>
3 H3PO2 + 2 Cr2O7{-2} + 16 H{+} = 3 H3PO4 + 4 Cr{+3} + 8 H2O
Na2SO3 + SnCl2 + HCl = NaCl + SnCl4 + SnS2 + H2O =>
2 Na2SO3 + 6 SnCl2 + 12 HCl = 4 NaCl + 5 SnCl4 + SnS2 + 6 H2O
Na2CO3 + AgNO3 = Ag2CO3 + NO3 + Na =>
Na2CO3 + 2 AgNO3 = Ag2CO3 + 2 NO3 + 2 Na
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
KSI + O2 = KSIO3 =>
2 KSI + 3 O2 = 2 KSIO3
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
Mg(CN)2 + P = Mg3P2 + C + N2 =>
3 Mg(CN)2 + 2 P = Mg3P2 + 6 C + 3 N2
Ca(OH)2 + KCl = CaCl2 + KOH =>
Ca(OH)2 + 2 KCl = CaCl2 + 2 KOH
ZnS + AlP = Zn3P2 + Al2S3 =>
3 ZnS + 2 AlP = Zn3P2 + Al2S3
CrOH2 = Cr + H2O =>
CrOH2 = Cr + H2O
Cr(OH)4{-} + HO2{-} = CrO4{2-} + OH{-} + H2O =>
2 Cr(OH)4{-} + 3 HO2{-} = 2 CrO4{2-} + OH{-} + 5 H2O
UH3 = U + H2 =>
2 UH3 = 2 U + 3 H2
H{+} + Ru(OH)2{+2} + Ru{+2} = Ru{3+} + H2O =>
2 H{+} + Ru(OH)2{+2} + Ru{+2} = 2 Ru{3+} + 2 H2O
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
Ca3(PO4)2 + Na2CO3 = Na3PO4 + CaCO3 =>
Ca3(PO4)2 + 3 Na2CO3 = 2 Na3PO4 + 3 CaCO3
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Au + H2O = Au(OH)3 + H2 =>
2 Au + 6 H2O = 2 Au(OH)3 + 3 H2
(NH4)2SO4 + Ba(CH3CO2)2 = NH4CH3CO2 + BaSO4 =>
(NH4)2SO4 + Ba(CH3CO2)2 = 2 NH4CH3CO2 + BaSO4
Sb + CH3COOCH3 + OH = H2O + Sb(CH3COO)3 =>
Sb + 2 CH3COOCH3 + 7 OH = 5 H2O + Sb(CH3COO)3
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Ca(ClO3)2 = CaCl2 + O2 =>
Ca(ClO3)2 = CaCl2 + 3 O2
CH3COHH2 = C2H5OH =>
CH3COHH2 = C2H5OH
BaCl2(aq) + K2Co3(aq) = BaCo3(s) + KCl(aq) =>
BaCl2(aq) + K2Co3(aq) = BaCo3(s) + 2 KCl(aq)
LiAlH4 + AlCl3 = AlH3 + LiCl =>
3 LiAlH4 + AlCl3 = 4 AlH3 + 3 LiCl
SiC + FeO = SiO2 + CO + Fe =>
SiC + 3 FeO = SiO2 + CO + 3 Fe
Ba(NO3)2(ac) + MgCl2(ac) = BaCl2(ac) + Mg(NO3)2(ac) =>
Ba(NO3)2(ac) + MgCl2(ac) = BaCl2(ac) + Mg(NO3)2(ac)
MgSO4 + NaOH = Na2SO4 + Mg(OH)2 =>
MgSO4 + 2 NaOH = Na2SO4 + Mg(OH)2
CH3CH2COOH + PCl5 = CH3CH2COCl + POCl3 + HCl =>
CH3CH2COOH + PCl5 = CH3CH2COCl + POCl3 + HCl
Hg(NO3)2 + Na2SO4 = NaNO3 + HgSO4 =>
Hg(NO3)2 + Na2SO4 = 2 NaNO3 + HgSO4
SeO2(s) + H2Se(g) = Se(s) + H2O(g) =>
SeO2(s) + 2 H2Se(g) = 3 Se(s) + 2 H2O(g)
Pb(ClO2)4 + Zn(SO4) = Pb(SO4)2 + Zn(ClO2)2 =>
Pb(ClO2)4 + 2 Zn(SO4) = Pb(SO4)2 + 2 Zn(ClO2)2
Fe3(PO4)2 + (NH4)2CO3 = FeCO3 + (NH4)3PO4 =>
Fe3(PO4)2 + 3(NH4)2CO3 = 3 FeCO3 + 2(NH4)3PO4
Al3 + HgCl2 = AlCl3 + HgAl2 =>
8 Al3 + 9 HgCl2 = 6 AlCl3 + 9 HgAl2
Fe(s) + KNO2(aq) = Fe2O3(s) + K2O(s) + N2(g) =>
2 Fe(s) + 2 KNO2(aq) = Fe2O3(s) + K2O(s) + N2(g)
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
NaCl + H2SO4 + K2Cr2O7 = CrO2Cl2 + Na2SO4 + KOH + H2O =>
4 NaCl + 2 H2SO4 + K2Cr2O7 = 2 CrO2Cl2 + 2 Na2SO4 + 2 KOH + H2O
PbCl2 + K2Cr2O7 + H2O + CH3COONa = PbCrO4 + KCl + CH3COOH + NaCl =>
2 PbCl2 + K2Cr2O7 + H2O + 2 CH3COONa = 2 PbCrO4 + 2 KCl + 2 CH3COOH + 2 NaCl
CaCO3(s) + HCl = H2O(l) + CO2(g) + CaCl2 =>
CaCO3(s) + 2 HCl = H2O(l) + CO2(g) + CaCl2
[Cu(NH3)4] + H = Cu + NH4 =>
[Cu(NH3)4] + 4 H = Cu + 4 NH4
I2O5 = I2 + O2 =>
2 I2O5 = 2 I2 + 5 O2
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