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Zn + 2 HCl = ZnCl2 + H2
H2S + HNO3 = S + H2O + NO =>
3 H2S + 2 HNO3 = 3 S + 4 H2O + 2 NO
Sn + HCl = Sn(Cl)2 + H2 =>
Sn + 2 HCl = Sn(Cl)2 + H2
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
CuOHNO3 + HNO3 = Cu(NO3)2 + H2O =>
CuOHNO3 + HNO3 = Cu(NO3)2 + H2O
BaCO3(s) = BaO(s) + CO2(g) =>
BaCO3(s) = BaO(s) + CO2(g)
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
Mg(s) + NaBr(aq) = Na + MgBr2 =>
Mg(s) + 2 NaBr(aq) = 2 Na + MgBr2
Al2(CO3)3 + HNO3 = Al(NO3)3 + CO2 + H2O =>
Al2(CO3)3 + 6 HNO3 = 2 Al(NO3)3 + 3 CO2 + 3 H2O
CUS + HNO3 = CUSO4 + H2O + NO =>
3 CUS + 8 HNO3 = 3 CUSO4 + 4 H2O + 8 NO
S{-}2 + I2 = I{-} + S =>
2 S{-}2 + I2 = 2 I{-} + 2 S
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
NH4NO2 + KI + H2SO4 = I2 + NH3 + H2O + K2SO4 =>
NH4NO2 + 6 KI + 3 H2SO4 = 3 I2 + 2 NH3 + 2 H2O + 3 K2SO4
V2O5 + HCl = VOCl3 + H2O =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O
Fe(OH)3 + HMnO4 = Fe(MnO4)3 + H2O =>
Fe(OH)3 + 3 HMnO4 = Fe(MnO4)3 + 3 H2O
NaCrO2 + HCl = CrCl3 + NaCl + H2O =>
NaCrO2 + 4 HCl = CrCl3 + NaCl + 2 H2O
SiH4 = H2 + Si =>
SiH4 = 2 H2 + Si
In(s) + H2SO4(aq) = In2(SO4)3(s) + H2(g) =>
2 In(s) + 3 H2SO4(aq) = In2(SO4)3(s) + 3 H2(g)
CdS + KOH = Cd(OH)2 + K2S =>
CdS + 2 KOH = Cd(OH)2 + K2S
NH3 + CO2 + H2O = NH4HCO3 =>
NH3 + CO2 + H2O = NH4HCO3
C2H4O2(l) + KOH(aq) = CH3CO2K(aq) + H2O(aq) =>
C2H4O2(l) + KOH(aq) = CH3CO2K(aq) + H2O(aq)
C3H8 + O = CO + H2O =>
C3H8 + 7 O = 3 CO + 4 H2O
Cs2O + SO3 = Cs2SO4 =>
Cs2O + SO3 = Cs2SO4
ZnCl2 + NaCH3COO = ZnCH3COO + NaCl2 =>
ZnCl2 + NaCH3COO = ZnCH3COO + NaCl2
V2O5 + HCl = VCl3 + Cl2 + H2O =>
V2O5 + 10 HCl = 2 VCl3 + 2 Cl2 + 5 H2O
CaCO3(s) = CO2(g) + CaO(s) =>
CaCO3(s) = CO2(g) + CaO(s)
KAlSi3O8(s) + H2O(l) + CO2(g) = K2CO3(aq) + Al2Si2O5(OH)4(s) + SiO2(s) =>
2 KAlSi3O8(s) + 2 H2O(l) + CO2(g) = K2CO3(aq) + Al2Si2O5(OH)4(s) + 4 SiO2(s)
SnCl4 + H2O = HCl + Sn5O5Cl2(OH)8 =>
5 SnCl4 + 13 H2O = 18 HCl + Sn5O5Cl2(OH)8
Cu(OH)2 + HCIO4 = Cu(CIO4)2 + H2O =>
Cu(OH)2 + 2 HCIO4 = Cu(CIO4)2 + 2 H2O
HgS + HNO3 + HCl = HgCl4 + HSO4 + NO2 + H2O =>
HgS + 11 HNO3 + 4 HCl = HgCl4 + HSO4 + 11 NO2 + 7 H2O
(NH4)3PO4 = P(NH4)3 + O2 =>
(NH4)3PO4 = P(NH4)3 + 2 O2
C2H3COOH + SOCl2 = C2H3COCl + H2SO3 =>
2 C2H3COOH + SOCl2 = 2 C2H3COCl + H2SO3
FeS2 + HNO3 = Fe2(SO4)3 + H2SO4 + NO + N2H4 =>
10 FeS2 + 34 HNO3 = 5 Fe2(SO4)3 + 5 H2SO4 + 22 NO + 6 N2H4
COSO4 + NaOH = CO(OH)2 + Na2SO4 =>
COSO4 + 2 NaOH = CO(OH)2 + Na2SO4
NaCl + H2O + AgNO3 = AgCl + NaNO4 + H2 =>
NaCl + H2O + AgNO3 = AgCl + NaNO4 + H2
CuCl2 + H2SO4 = CuSO4 + HCl =>
CuCl2 + H2SO4 = CuSO4 + 2 HCl
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Li + HI = LiI + H2 =>
2 Li + 2 HI = 2 LiI + H2
CuOHNO3 + HNO3 = Cu(NO3)2 + H2O =>
CuOHNO3 + HNO3 = Cu(NO3)2 + H2O
CdH2P2O7 + NaCl = CdP2Na2O7 + HCl =>
CdH2P2O7 + 2 NaCl = CdP2Na2O7 + 2 HCl
Cu2CO3 = CO2 + Cu2O =>
Cu2CO3 = CO2 + Cu2O
Na2C2O4(ac) + H2SO4(ac) + KMnO4(ac) = K2SO4(ac) + MnSO4(ac) + Na2SO4(ac) + H2O(l) + CO2(g) =>
5 Na2C2O4(ac) + 8 H2SO4(ac) + 2 KMnO4(ac) = K2SO4(ac) + 2 MnSO4(ac) + 5 Na2SO4(ac) + 8 H2O(l) + 10 CO2(g)
Fe + Cl2 = FeCl90 =>
Fe + 45 Cl2 = FeCl90
XC9H11NO + O2 = CO2 + H2O + XNO =>
4 XC9H11NO + 47 O2 = 36 CO2 + 22 H2O + 4 XNO
Zn(OH)2 + H2S = ZnS + H2(OH)2 =>
Zn(OH)2 + H2S = ZnS + H2(OH)2
NaI + H2SO4 = NaHSO4 + HI =>
NaI + H2SO4 = NaHSO4 + HI
FeSO4 + NH3 + O2 + H2O = Fe(OH)3 + (NH4)2SO4 =>
4 FeSO4 + 8 NH3 + O2 + 10 H2O = 4 Fe(OH)3 + 4(NH4)2SO4
Mg + NaSO4 = MgSO4 + Na2 =>
2 Mg + 2 NaSO4 = 2 MgSO4 + Na2
CH3CH3OH + [Ag(NH3)2]{+} + OH{-} = CH3COOCH3 + Ag + NH3 + H2O =>
3 CH3CH3OH + 11[Ag(NH3)2]{+} + 11 OH{-} = 2 CH3COOCH3 + 11 Ag + 22 NH3 + 10 H2O
P + HNO3 = P2O3 + N2 + H2O =>
10 P + 6 HNO3 = 5 P2O3 + 3 N2 + 3 H2O
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