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HCl(aq) + CaCO3(aq) = CaCl(aq) + HCO3(s)
PbS + H2O + O2 = Pb + H2SO4 =>
2 PbS + 2 H2O + 3 O2 = 2 Pb + 2 H2SO4
Mg2Si2O6 + MgAl2O4 = Mg2SiO4 + Mg4Al8Si2O20 =>
2 Mg2Si2O6 + 4 MgAl2O4 = 2 Mg2SiO4 + Mg4Al8Si2O20
Al3 + HCl = AlCl + H1 =>
Al3 + 3 HCl = 3 AlCl + 3 H1
FeCl2 + HF = HCl2 + FeF =>
FeCl2 + HF = HCl2 + FeF
Zn(s) + HNO3 = Zn(NO3)2 + NO2 + H2O =>
Zn(s) + 4 HNO3 = Zn(NO3)2 + 2 NO2 + 2 H2O
Be(NO3)2 + Na3PO4 = Be3(PO4)2 + NaNO3 =>
3 Be(NO3)2 + 2 Na3PO4 = Be3(PO4)2 + 6 NaNO3
C + Cl2 = C3Cl9 =>
6 C + 9 Cl2 = 2 C3Cl9
MnO4{-} + H{+} + H2S = Mn{2+} + S + H2O =>
2 MnO4{-} + 6 H{+} + 5 H2S = 2 Mn{2+} + 5 S + 8 H2O
NaBr + HCl = HBr + NaCl =>
NaBr + HCl = HBr + NaCl
H2CO2 + Ta(OH)5 = Ta2(CO2)5 + H2O =>
5 H2CO2 + 2 Ta(OH)5 = Ta2(CO2)5 + 10 H2O
F + KOH = KF + OF2 + H2O =>
4 F + 2 KOH = 2 KF + OF2 + H2O
MnO4 + NaI + H2SO4 = Na2SO4 + MnSO4 + H2O + I2 =>
MnO4 + 6 NaI + 4 H2SO4 = 3 Na2SO4 + MnSO4 + 4 H2O + 3 I2
PH + Cl2 = PCl3 + HCl =>
PH + 2 Cl2 = PCl3 + HCl
Na2O + NaCl = Na2Cl + NaO =>
Na2O + NaCl = Na2Cl + NaO
HCOOH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + HOCOOH + H2O =>
3 HCOOH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 HOCOOH + 4 H2O
KOH + KIO2 + Cl = KIO4 + KCl + H2O =>
4 KOH + KIO2 + 4 Cl = KIO4 + 4 KCl + 2 H2O
Cu + H3C3H5O(COO)3 = Cu3(C3H5O(COO)3)2 + H2 =>
3 Cu + 2 H3C3H5O(COO)3 = Cu3(C3H5O(COO)3)2 + 3 H2
Rb3PO4 + Cr(NO3)2 = RbNO3 + Cr3(PO4)2 =>
2 Rb3PO4 + 3 Cr(NO3)2 = 6 RbNO3 + Cr3(PO4)2
BaCl2 + NO3 = Ba(NO3)2 + Cl2 =>
BaCl2 + 2 NO3 = Ba(NO3)2 + Cl2
HgSO4 + Cu = Hg + Cu(SO4)2 =>
2 HgSO4 + Cu = 2 Hg + Cu(SO4)2
KN + NH4Br = KBr + N2 + NH3 =>
3 KN + 3 NH4Br = 3 KBr + N2 + 4 NH3
Mg + F{2} = MgF{2} =>
Mg + F{2} = MgF{2}
K2MnO4 + CO2 + H2O = KMnO4 + KHCO3 + MnO2 =>
3 K2MnO4 + 4 CO2 + 2 H2O = 2 KMnO4 + 4 KHCO3 + MnO2
C2H3COOH + NaOH = NaCH3COO + H2O =>
2 C2H3COOH + 3 NaOH = 3 NaCH3COO + H2O
Al(s) + Br(g) = AlBr =>
Al(s) + Br(g) = AlBr
CuNO3(aq) + Li2CO3(aq) = Cu2CO3(s) + LiNO3(aq) =>
2 CuNO3(aq) + Li2CO3(aq) = Cu2CO3(s) + 2 LiNO3(aq)
K2(CrO4) + HCl = KCl + CrCl3 + Cl2 + H2O =>
2 K2(CrO4) + 16 HCl = 4 KCl + 2 CrCl3 + 3 Cl2 + 8 H2O
Al(OH)2 = Al3 + OH =>
3 Al(OH)2 = Al3 + 6 OH
BaCl2(aq) + Al2(SO4)3(aq) = AlCl3(aq) + BaSO4(s) =>
3 BaCl2(aq) + Al2(SO4)3(aq) = 2 AlCl3(aq) + 3 BaSO4(s)
Bi2(SO4)3 + NH5O = Bi(OH)3 + (NH4)2SO4 =>
Bi2(SO4)3 + 6 NH5O = 2 Bi(OH)3 + 3(NH4)2SO4
FeCl3(aq) + H2(g) = FeCl2(aq) + HCl(aq) =>
2 FeCl3(aq) + H2(g) = 2 FeCl2(aq) + 2 HCl(aq)
H2PtCl6 + NaBH4 + H2O = B(OH)3 + H2 + NaCl + Pt =>
H2PtCl6 + 6 NaBH4 + 18 H2O = 6 B(OH)3 + 22 H2 + 6 NaCl + Pt
NaCH3COO(s) + HCl(aq) = NaCl(aq) + HCH3COO(aq) =>
NaCH3COO(s) + HCl(aq) = NaCl(aq) + HCH3COO(aq)
Zn(Cu3)2 = Zn + Cu =>
Zn(Cu3)2 = Zn + 6 Cu
SrI2 + Br2 = I2 + SrBr2 =>
SrI2 + Br2 = I2 + SrBr2
HCl(g) + C2H4 = C2H5Cl =>
HCl(g) + C2H4 = C2H5Cl
K = K2 =>
2 K = K2
FeO + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + Fe2(SO4)3 + H2O =>
6 FeO + K2Cr2O7 + 13 H2SO4 = K2SO4 + Cr2(SO4)3 + 3 Fe2(SO4)3 + 13 H2O
CH3CH2COH + KMnO4 + H2SO4 = CH3COOH + MnSO4 + H2O + KSO4 =>
2 CH3CH2COH + 2 KMnO4 + 4 H2SO4 = 3 CH3COOH + 2 MnSO4 + 4 H2O + 2 KSO4
C18H36O2(s) + O2(g) = CO2(g) + H2O(g) =>
C18H36O2(s) + 26 O2(g) = 18 CO2(g) + 18 H2O(g)
FeBr + (NH4)2S = Fe2S3 + (NH4)3Br =>
2 FeBr + 3(NH4)2S = Fe2S3 + 2(NH4)3Br
HNO3 + C3H8O3 = H2O + C + N =>
2 HNO3 + 5 C3H8O3 = 21 H2O + 15 C + 2 N
CuFeS2 + Fe2(SO4)3 = CuSO4 + FeSO4 + S =>
CuFeS2 + 2 Fe2(SO4)3 = CuSO4 + 5 FeSO4 + 2 S
MnSO4 + NaOH + Br2 = MnO(OH)2 + Na2SO4 + NaBr + H2O =>
MnSO4 + 4 NaOH + Br2 = MnO(OH)2 + Na2SO4 + 2 NaBr + H2O
Sn + HNO3 = SnO2 + NO + H2O2 =>
Sn + 2 HNO3 = SnO2 + 2 NO + H2O2
CaCl2 + Mg = Ca + MgCl =>
CaCl2 + 2 Mg = Ca + 2 MgCl
Ca(NO3)2 + Na3PO4 = Ca3(PO4)2 + NaNO3 =>
3 Ca(NO3)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaNO3
PbO + NaOH + H2O = Na4Pb(OH)6 =>
PbO + 4 NaOH + H2O = Na4Pb(OH)6
K2CrO7 + FeCl2 + HCl = CrCl3 + FeCl3 + KCl + H2O =>
K2CrO7 + 9 FeCl2 + 14 HCl = CrCl3 + 9 FeCl3 + 2 KCl + 7 H2O
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