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Ca(OH)2 + K2O = 2 KOH + CaO
Ca(OH)2 + H2SO4 = CaSO4 + H2O = Ca(OH)2 + H2SO4 =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
FeSO4 + Mg(HCO3)2 = Fe(OH)2 + MgSO4 + CO2 =>
FeSO4 + Mg(HCO3)2 = Fe(OH)2 + MgSO4 + 2 CO2
Cl2(g) + MgBr2(aq) = MgCl2(aq) + Br2 =>
Cl2(g) + MgBr2(aq) = MgCl2(aq) + Br2
ZnSO4(aq) + HCl(c) = ZnCl2 + H2SO4 =>
ZnSO4(aq) + 2 HCl(c) = ZnCl2 + H2SO4
KMnO4Na2S2O3 = Na2MnO4 + K2S4O6 =>
2 KMnO4Na2S2O3 = 2 Na2MnO4 + K2S4O6
MgNa = Mg + Na =>
MgNa = Mg + Na
CH3CHO + H2 = CH3CH2OH =>
CH3CHO + H2 = CH3CH2OH
Si + Fe2O3 = SiO2 + Fe =>
3 Si + 2 Fe2O3 = 3 SiO2 + 4 Fe
Ca(OH)2 + K2O = KOH + CaO =>
Ca(OH)2 + K2O = 2 KOH + CaO
HBr(g) = H2 + Br2 =>
2 HBr(g) = H2 + Br2
KMnO4Na2S2O3 = Na2MnO4 + K2S4O6 =>
2 KMnO4Na2S2O3 = 2 Na2MnO4 + K2S4O6
CH3CHO + NH3 = (C2H5)(CH3)C5H3N + H2O =>
4 CH3CHO + NH3 = (C2H5)(CH3)C5H3N + 4 H2O
AlBr3 + K2CO3 = Al2(CO3)3 + KBr =>
2 AlBr3 + 3 K2CO3 = Al2(CO3)3 + 6 KBr
MgCO3 = MgOCO2 =>
MgCO3 = MgOCO2
C4H15 + O2 = CO2 + H2O =>
4 C4H15 + 31 O2 = 16 CO2 + 30 H2O
K2O + MnO + O2 = KMnO4 =>
2 K2O + 4 MnO + 5 O2 = 4 KMnO4
CH3CH2OH + KMnO4 + KOH = CH3COOK + K2MnO4 + H2O =>
CH3CH2OH + 4 KMnO4 + 5 KOH = CH3COOK + 4 K2MnO4 + 4 H2O
Li2SO4 + AlCl3 = LiCl + Al2(SO4)3 =>
3 Li2SO4 + 2 AlCl3 = 6 LiCl + Al2(SO4)3
S + O2 = SO =>
2 S + O2 = 2 SO
Cr(OH)2 + HCl = CrCl3 + H2 + H2O =>
2 Cr(OH)2 + 6 HCl = 2 CrCl3 + H2 + 4 H2O
PbO2 + HCl + H2SO4 = Cl2 + PbSO4 + H2O =>
PbO2 + 2 HCl + H2SO4 = Cl2 + PbSO4 + 2 H2O
PCl3 + HNO3 + Cl2 = NO + HCl + POCl3 =>
4 PCl3 + 2 HNO3 + Cl2 = 2 NO + 2 HCl + 4 POCl3
NaAl(OH)4 + SO2 = Al(OH)3 + Na2SO3 + H2O =>
2 NaAl(OH)4 + SO2 = 2 Al(OH)3 + Na2SO3 + H2O
Cu + K2Cr2O7 + H2SO4 = H2O + Cr2SO4 + CuSO4 + K2SO4 =>
5 Cu + K2Cr2O7 + 7 H2SO4 = 7 H2O + Cr2SO4 + 5 CuSO4 + K2SO4
S2 + O3 = S2O3 =>
S2 + O3 = S2O3
CuO + H2O = Cu + (OH)2 =>
CuO + H2O = Cu + (OH)2
KMnO4Na2S2O3 = Na2MnO4 + K2S4O6 =>
2 KMnO4Na2S2O3 = 2 Na2MnO4 + K2S4O6
S + H2 = SH =>
2 S + H2 = 2 SH
Sc + CuSO4 = Sc2(SO4)3 + Cu =>
2 Sc + 3 CuSO4 = Sc2(SO4)3 + 3 Cu
Na + Cl = NaCl =>
Na + Cl = NaCl
Fe(NO3)2 + KI = KFe + I(NO3)2 =>
Fe(NO3)2 + KI = KFe + I(NO3)2
AlBr3 + F = AlF3 + Br2 =>
2 AlBr3 + 6 F = 2 AlF3 + 3 Br2
CO + HOH = CO2 + H2 =>
CO + HOH = CO2 + H2
MgNa = Mg + Na =>
MgNa = Mg + Na
Ca(OH)2 + K2O = KOH + CaO =>
Ca(OH)2 + K2O = 2 KOH + CaO
FeCl3 + K2(SO4) = Fe2(SO4)3 + KCl =>
2 FeCl3 + 3 K2(SO4) = Fe2(SO4)3 + 6 KCl
KMnO4Na2S2O3 = Na2MnO4 + K2S4O6 =>
2 KMnO4Na2S2O3 = 2 Na2MnO4 + K2S4O6
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
CaCI2 + KI = CaI2 + KCI =>
CaCI2 + KI = CaI2 + KCI
Pt + CuSO4 = Pt(SO4)2 + Cu =>
Pt + 2 CuSO4 = Pt(SO4)2 + 2 Cu
Al(OH)3 + MgCl = MgOH + AlCl3 =>
Al(OH)3 + 3 MgCl = 3 MgOH + AlCl3
OH{-} + S2O8{-2} + Cu2SnS2 = SO4{-2} + Sn(OH)6{-2} + Cu(OH)2 + H2O =>
26 OH{-} + 10 S2O8{-2} + Cu2SnS2 = 22 SO4{-2} + Sn(OH)6{-2} + 2 Cu(OH)2 + 8 H2O
FeCl3(aq) + H2S(g) = Fe2S3(s) + HCl(aq) =>
2 FeCl3(aq) + 3 H2S(g) = Fe2S3(s) + 6 HCl(aq)
Fe(s) + O2(g) + H2O(l) = Fe(OH)2(aq) =>
2 Fe(s) + O2(g) + 2 H2O(l) = 2 Fe(OH)2(aq)
KOH + Na = NaOH + K =>
KOH + Na = NaOH + K
C8H10 + KMnO4 + HCl = MnCl + KCl + H2O + C8H6O4 =>
C8H10 + 2 KMnO4 + 4 HCl = 2 MnCl + 2 KCl + 4 H2O + C8H6O4
C + NaCl = CCl + Na =>
C + NaCl = CCl + Na
KMnO4Na2S2O3 = Na2MnO4 + K2S4O6 =>
2 KMnO4Na2S2O3 = 2 Na2MnO4 + K2S4O6
CaCI2 + KI = CaI2 + KCI =>
CaCI2 + KI = CaI2 + KCI
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