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2 HI + Ca = 2 H + CaI2
C2H5ONa + H2O = C2H5OH + NaOH =>
C2H5ONa + H2O = C2H5OH + NaOH
Ca(NO3)2 + KOH = Ca(OH)2 + NO3K =>
Ca(NO3)2 + 2 KOH = Ca(OH)2 + 2 NO3K
CH3NH2 + H2O + CuSO4 = (CH3NH3)2SO4 + Cu(OH)2 =>
2 CH3NH2 + 2 H2O + CuSO4 = (CH3NH3)2SO4 + Cu(OH)2
CH3(g) + O2(g) = CO2(g) + H2O(l) =>
4 CH3(g) + 7 O2(g) = 4 CO2(g) + 6 H2O(l)
K1 = K2 =>
2 K1 = K2
H2S + Br2 = HBr + S =>
H2S + Br2 = 2 HBr + S
H2SO4H2SO4 + Na2CO3 = Na2SO4 + H2O + CO2 =>
H2SO4H2SO4 + 2 Na2CO3 = 2 Na2SO4 + 2 H2O + 2 CO2
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
Fe(SCN)3 + KMnO4 + HCl = FeCl3 + MnCl2 + CO2 + NO + SO2 + KCl + H2O =>
5 Fe(SCN)3 + 33 KMnO4 + 114 HCl = 5 FeCl3 + 33 MnCl2 + 15 CO2 + 15 NO + 15 SO2 + 33 KCl + 57 H2O
Mg(OH)2 + HCl = Mg(OH)Cl + H2O =>
Mg(OH)2 + HCl = Mg(OH)Cl + H2O
CaCl2(aq) + Na3(PO4)(aq) = Ca3(PO4)2(s) + NaCl(aq) =>
3 CaCl2(aq) + 2 Na3(PO4)(aq) = Ca3(PO4)2(s) + 6 NaCl(aq)
SiCl4 + Mg = Si + MgCl2 =>
SiCl4 + 2 Mg = Si + 2 MgCl2
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
NaOH + NO2 = NaNO3 + H2 =>
2 NaOH + 2 NO2 = 2 NaNO3 + H2
NaClO + KCl = NaCl + KClO3 =>
3 NaClO + KCl = 3 NaCl + KClO3
Fl + PbI2 = Fl4Pb + I =>
4 Fl + PbI2 = Fl4Pb + 2 I
Al(C2H3O2)3 + MgO = Mg(C2H3O2)2 + Al2O3 =>
2 Al(C2H3O2)3 + 3 MgO = 3 Mg(C2H3O2)2 + Al2O3
HOCl(aq)HCl(aq) = H2O(l)Cl2(g) =>
HOCl(aq)HCl(aq) = H2O(l)Cl2(g)
Pb + NH4OH + HCl = Pb(OH)2 + (NH4)2Cl + H =>
Pb + 2 NH4OH + HCl = Pb(OH)2 + (NH4)2Cl + H
H3 + F1 = HF =>
H3 + 3 F1 = 3 HF
CrCl3 + AgNO3 = Cr(NO3)3 + AgCl =>
CrCl3 + 3 AgNO3 = Cr(NO3)3 + 3 AgCl
HCl + MgSO3 = SO2 + H2O + MgCl2 =>
2 HCl + MgSO3 = SO2 + H2O + MgCl2
NaHCO3 + HBr = NaBr + CO2 + H2O =>
NaHCO3 + HBr = NaBr + CO2 + H2O
Na2CO3 + FeCr2O4 + O3 = Fe2O2 + Na2CrO4 + CO2 =>
4 Na2CO3 + 2 FeCr2O4 + 2 O3 = Fe2O2 + 4 Na2CrO4 + 4 CO2
Na3PO4 + ZnSO4 = Na2SO4 + Zn3(PO4)2 =>
2 Na3PO4 + 3 ZnSO4 = 3 Na2SO4 + Zn3(PO4)2
Sn + H2O2 + NaOH = Na2[Sn(OH)6] =>
Sn + 2 H2O2 + 2 NaOH = Na2[Sn(OH)6]
Al(NO3)3 + Al(OH)3 = Al(NO3)2OH =>
2 Al(NO3)3 + Al(OH)3 = 3 Al(NO3)2OH
Li + AlCl3 = LiCl + Al =>
3 Li + AlCl3 = 3 LiCl + Al
FeCl3(aq) + KOH(aq) = Fe(OH)3(aq) + KCl(aq) =>
FeCl3(aq) + 3 KOH(aq) = Fe(OH)3(aq) + 3 KCl(aq)
Al2(SO4)3(aq) + KOH(aq) = Al(OH)3(s) + K2SO4(aq) =>
Al2(SO4)3(aq) + 6 KOH(aq) = 2 Al(OH)3(s) + 3 K2SO4(aq)
H2O2 + KI + H2SO4 = I2 + K2SO4 + H2O =>
H2O2 + 2 KI + H2SO4 = I2 + K2SO4 + 2 H2O
Al2O3 + SO2 = Al2S3 + O2 =>
2 Al2O3 + 6 SO2 = 2 Al2S3 + 9 O2
P4 + F2 = PF3 =>
P4 + 6 F2 = 4 PF3
BaOHNO3 = BaNO3HO =>
BaOHNO3 = BaNO3HO
FeCl3 + HY = FeCl2 + Y2 + HCl =>
2 FeCl3 + 2 HY = 2 FeCl2 + Y2 + 2 HCl
Co(HCO3)2 = CoO + H2O + CO2 =>
Co(HCO3)2 = CoO + H2O + 2 CO2
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
Tc + H2O2 = HTcO4 + H2O =>
2 Tc + 7 H2O2 = 2 HTcO4 + 6 H2O
H{+} + MnO4{-} + HSO3{-} = Mn{2+} + HSO4{-} + H2O =>
6 H{+} + 2 MnO4{-} + 5 HSO3{-} = 2 Mn{2+} + 5 HSO4{-} + 3 H2O
K3[Fe(SCN)6] + NaOH = Fe(OH)3 + NaSCN + KSCN =>
K3[Fe(SCN)6] + 3 NaOH = Fe(OH)3 + 3 NaSCN + 3 KSCN
CaCl2 + (NH4)2CO3 = CaCO3 + (NH4)Cl =>
CaCl2 + (NH4)2CO3 = CaCO3 + 2(NH4)Cl
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Fe + O2 + H2O = Fe(OH)3 =>
4 Fe + 3 O2 + 6 H2O = 4 Fe(OH)3
SnI4 + NaOH = Sn(OH)4 + NaI =>
SnI4 + 4 NaOH = Sn(OH)4 + 4 NaI
AsCl3 + H2S = As2S3 + HCl =>
2 AsCl3 + 3 H2S = As2S3 + 6 HCl
HS2O3 = S + HSO4 + H2O =>
7 HS2O3 = 9 S + 5 HSO4 + H2O
Al(NO2)3 + Na2CO3 = Al2(CO3)3 + NaNO2 =>
2 Al(NO2)3 + 3 Na2CO3 = Al2(CO3)3 + 6 NaNO2
Mg(s) + O2(g) = MgO(s) =>
2 Mg(s) + O2(g) = 2 MgO(s)
NaClO4 + Cr(OH)3 + NaOH = Na2CrO4 + NaCl + H2O =>
3 NaClO4 + 8 Cr(OH)3 + 16 NaOH = 8 Na2CrO4 + 3 NaCl + 20 H2O
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