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2 Ca + O2 = 2 CaO
As + KBrO + KOH = K3(AsO4) + KBr + H2O =>
2 As + 5 KBrO + 6 KOH = 2 K3(AsO4) + 5 KBr + 3 H2O
Li2O + P2O3 = Li2P2O4 =>
Li2O + P2O3 = Li2P2O4
Ag + Br2 = AgBr =>
2 Ag + Br2 = 2 AgBr
NH4Cl + H2O = (NH4)2O + HCl =>
2 NH4Cl + H2O = (NH4)2O + 2 HCl
Ar + O2 = ArO3 =>
2 Ar + 3 O2 = 2 ArO3
Al(S) + Br2(g) = AlBr3(S) =>
2 Al(S) + 3 Br2(g) = 2 AlBr3(S)
CuS + HCl = CuCl2H2S =>
CuS + 2 HCl = CuCl2H2S
HBr + CaO = H2O + CaBr2 =>
2 HBr + CaO = H2O + CaBr2
KOH + H2(SO3) = K2SO3 + H2O =>
2 KOH + H2(SO3) = K2SO3 + 2 H2O
Rb2O(aq) + H2O(l) = HRbO =>
Rb2O(aq) + H2O(l) = 2 HRbO
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
NaCl + FeCl3 = NaCl3 + FeCl2 =>
NaCl + 2 FeCl3 = NaCl3 + 2 FeCl2
(NH4)Cl + KOH = KCl + (NH3) + H2O =>
(NH4)Cl + KOH = KCl + (NH3) + H2O
(H2)O2 = H2O + O2 =>
2(H2)O2 = 2 H2O + O2
KClO3 + SnS2 + KOH + H2O = K2[Sn(OH)6] + KCl + S =>
2 KClO3 + 3 SnS2 + 6 KOH + 6 H2O = 3 K2[Sn(OH)6] + 2 KCl + 6 S
Pb(NO3)2 + KOH = Pb(OH)2 + K2(NO3)2 =>
Pb(NO3)2 + 2 KOH = Pb(OH)2 + K2(NO3)2
Rb2O(aq) + H2O(l) = HRbO =>
Rb2O(aq) + H2O(l) = 2 HRbO
SO2 + Zn(OH)2 = ZnSO4 + H2 = =>
SO2 + Zn(OH)2 = ZnSO4 + H2
FeCl2 + AgNO3 = Fe(NO3)2 + AgCl =>
FeCl2 + 2 AgNO3 = Fe(NO3)2 + 2 AgCl
CH3CHOHCH2CH2CH3 + Cr2O7{2-} + H{+} = CH3COCH2CH2CH3 + H2O + Cr{3+} =>
3 CH3CHOHCH2CH2CH3 + Cr2O7{2-} + 8 H{+} = 3 CH3COCH2CH2CH3 + 7 H2O + 2 Cr{3+}
Al2(SO4)3 + NH3 + H2O = AlOHSO4 + (NH4)2SO4 =>
Al2(SO4)3 + 2 NH3 + 2 H2O = 2 AlOHSO4 + (NH4)2SO4
C3H7OH + Cu = C3H8 + CuO =>
C3H7OH + Cu = C3H8 + CuO
Mn(OH)2 + H2SO4 = MnO2 + SO2 + H2O =>
Mn(OH)2 + H2SO4 = MnO2 + SO2 + 2 H2O
FeCl2 + AgNO3 = Fe(NO3)2 + AgCl =>
FeCl2 + 2 AgNO3 = Fe(NO3)2 + 2 AgCl
Al + LiNO3 = Li + Al(NO3)3 =>
Al + 3 LiNO3 = 3 Li + Al(NO3)3
Pb(CH3COO)2 + H2O = Pb(OH)2 + CH3COOH =>
Pb(CH3COO)2 + 2 H2O = Pb(OH)2 + 2 CH3COOH
C6H5C(CH3)3 + KMnO4 + H2SO4 = C6H5COOH + H2O + MnO2 + K2SO4 =>
7 C6H5C(CH3)3 + 26 KMnO4 + 13 H2SO4 = 10 C6H5COOH + 32 H2O + 26 MnO2 + 13 K2SO4
CH3CH2NH2 + CH3CH2COOH = CH3CH2COONHCH2CH3 + H2 =>
CH3CH2NH2 + CH3CH2COOH = CH3CH2COONHCH2CH3 + H2
Mn{+6} = Mn{+4} + Mn{+7} =>
3 Mn{+6} = Mn{+4} + 2 Mn{+7}
Ba(OH)2 + HCl = BaCl2 + H2O =>
Ba(OH)2 + 2 HCl = BaCl2 + 2 H2O
ZnS + KOH + H2O = K2[Zn(OH)4] + H2S =>
ZnS + 2 KOH + 2 H2O = K2[Zn(OH)4] + H2S
CuO + HNO3 = Cu(NO3)2 + H2O =>
CuO + 2 HNO3 = Cu(NO3)2 + H2O
C3H6OH3 + CuO = Cu + H2O + CO2 =>
2 C3H6OH3 + 19 CuO = 19 Cu + 9 H2O + 6 CO2
HNO3 + Na2O = NaNO3 + H2O =>
2 HNO3 + Na2O = 2 NaNO3 + H2O
Ag + O2 + H2O = Ag(OH) =>
4 Ag + O2 + 2 H2O = 4 Ag(OH)
CuO + HNO3 = Cu(NO3)2 + H2O =>
CuO + 2 HNO3 = Cu(NO3)2 + H2O
HC2O4 + KMnO4 + H2SO4 = CO2 + H2O + K2SO4 + MnSO4 =>
10 HC2O4 + 2 KMnO4 + 3 H2SO4 = 20 CO2 + 8 H2O + K2SO4 + 2 MnSO4
KCr(SO4)2 + H2O + Na2S = H2S + Cr(OH)3 + Na2SO4 + K2SO4 =>
2 KCr(SO4)2 + 6 H2O + 3 Na2S = 3 H2S + 2 Cr(OH)3 + 3 Na2SO4 + K2SO4
ThO2 + Al = ThO + Al2O =>
ThO2 + 2 Al = ThO + Al2O
Mg + NH4Cl + NaH2PO4 = MgNH4PO4 + NaCl + H2 =>
Mg + NH4Cl + NaH2PO4 = MgNH4PO4 + NaCl + H2
P(C6H5)3 + CH3I = [CH3P(C6H5)3]I =>
P(C6H5)3 + CH3I = [CH3P(C6H5)3]I
C4H9OH + NaHCO3 = C4H9ONa + H2CO3 =>
C4H9OH + NaHCO3 = C4H9ONa + H2CO3
C3H7O + KMnO4 = C3OH6 + MnO2 + KOH + H2O =>
3 C3H7O + KMnO4 = 3 C3OH6 + MnO2 + KOH + H2O
Fe2O3 + HNO3 = Fe(NO3)3 + H2O =>
Fe2O3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2O
CuO + HNO3 = Cu(NO3)2 + H2O =>
CuO + 2 HNO3 = Cu(NO3)2 + H2O
(C17H35COO)3C3H5 + H2O = C17H35COOH + C3H5(OH)3 =>
(C17H35COO)3C3H5 + 3 H2O = 3 C17H35COOH + C3H5(OH)3
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
Ca(OH)2 + CO2 = Ca(HCO3)2 =>
Ca(OH)2 + 2 CO2 = Ca(HCO3)2
N{3-} + H{+} = NH3 =>
N{3-} + 3 H{+} = NH3
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