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HI + H2O = I{-} + H3O{+}
KClO2 + Cu = CuO + KCl =>
KClO2 + 2 Cu = 2 CuO + KCl
Ba(OH)2 + HBr = BaBr2 + H2O =>
Ba(OH)2 + 2 HBr = BaBr2 + 2 H2O
HCl + Na2CO3 = NaCl + H2O + CO2(g) =>
2 HCl + Na2CO3 = 2 NaCl + H2O + CO2(g)
Mg + HI = MgI2 + H2 =>
Mg + 2 HI = MgI2 + H2
Mn(OH)2 + KClO + KOH = KMnO4 + KCl + H2O =>
2 Mn(OH)2 + 5 KClO + 2 KOH = 2 KMnO4 + 5 KCl + 3 H2O
H{+} + Cr2O7{2-} + I{-} = Cr3{+} + IO3{-} + H2O =>
24 H{+} + 9 Cr2O7{2-} + 17 I{-} = 6 Cr3{+} + 17 IO3{-} + 12 H2O
Al(OH)3 + H3PO4 = AlPO4 + H2O =>
Al(OH)3 + H3PO4 = AlPO4 + 3 H2O
Li(s) + AuCl3 = LiCl + Au =>
3 Li(s) + AuCl3 = 3 LiCl + Au
NaCl(ac) + H2SO4(ac) = Na2SO4(ac) + HCl =>
2 NaCl(ac) + H2SO4(ac) = Na2SO4(ac) + 2 HCl
Mg + HI = MgI2 + H2 =>
Mg + 2 HI = MgI2 + H2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
P4 + NaClO + NaOH = Na3PO4 + NaCl + H2O =>
P4 + 10 NaClO + 12 NaOH = 4 Na3PO4 + 10 NaCl + 6 H2O
[Cu(NH3)4](OH)2 + NaOH = Na2[Cu(OH)4] + NH3 =>
[Cu(NH3)4](OH)2 + 2 NaOH = Na2[Cu(OH)4] + 4 NH3
P + HNO3 = H3PO4 + NO2 + H2O =>
P + 5 HNO3 = H3PO4 + 5 NO2 + H2O
CH3(CH)2CH2CH3 + O2 = CO2 + H2O =>
2 CH3(CH)2CH2CH3 + 15 O2 = 10 CO2 + 10 H2O
MgO + Cl2 = MgCl2 + O =>
MgO + Cl2 = MgCl2 + O
KIO3 + KI + HCl = KCl + I2 + H2O =>
KIO3 + 5 KI + 6 HCl = 6 KCl + 3 I2 + 3 H2O
(CH3)3CO + HSCH3 = (CH3)3COH + SCH3 =>
(CH3)3CO + HSCH3 = (CH3)3COH + SCH3
MgO + Cl2 = MgCl2 + O2 =>
2 MgO + 2 Cl2 = 2 MgCl2 + O2
Nb2O5 + SOCl2 = NbCl5 + SO2 =>
Nb2O5 + 5 SOCl2 = 2 NbCl5 + 5 SO2
As2O3 + Al + HCl = H3As + AlCl3 + H2O =>
As2O3 + 4 Al + 12 HCl = 2 H3As + 4 AlCl3 + 3 H2O
MnO2 + Cl2 + NaOH = Mn(OH)2 + NaClO =>
MnO2 + Cl2 + 2 NaOH = Mn(OH)2 + 2 NaClO
Fe{3+} + CNS{-} = Fe(CNS)3 =>
Fe{3+} + 3 CNS{-} = Fe(CNS)3
H2S + AgOH = H2O + Ag2S =>
H2S + 2 AgOH = 2 H2O + Ag2S
N2O3 + ZnO = ZnN2O4 =>
N2O3 + ZnO = ZnN2O4
FeS + HNO3 = Fe(NO3)3 + Fe2(SO4)3 + NO + H2O =>
3 FeS + 12 HNO3 = Fe(NO3)3 + Fe2(SO4)3 + 9 NO + 6 H2O
(b)Pb(NO3)2(s) = PbO(s) + NO2(g) + O2(g) =>
2(b)Pb(NO3)2(s) = 2 PbO(s) + 4 NO2(g) + O2(g)
NaSi + O2 = NaSiO3 =>
2 NaSi + 3 O2 = 2 NaSiO3
Li2CO3 + HBr = LiBr + H2CO3 =>
Li2CO3 + 2 HBr = 2 LiBr + H2CO3
FeS + HNO3 = Fe(NO3)3 + H2SO4 + NO + H2O =>
FeS + 6 HNO3 = Fe(NO3)3 + H2SO4 + 3 NO + 2 H2O
C2H3O2Cl + Ba(OH)2 = Ba(C2H2O2Cl)2 + H2O =>
2 C2H3O2Cl + Ba(OH)2 = Ba(C2H2O2Cl)2 + 2 H2O
Na3PO4 + H2S = Na2S + H3PO4 =>
2 Na3PO4 + 3 H2S = 3 Na2S + 2 H3PO4
KMnO4 + NaCl + H2SO4 = Mn2(SO4)3 + Na2SO4 + K2SO4 + Cl2 + H2O =>
2 KMnO4 + 8 NaCl + 8 H2SO4 = Mn2(SO4)3 + 4 Na2SO4 + K2SO4 + 4 Cl2 + 8 H2O
AgBr = Ag + Br2 =>
2 AgBr = 2 Ag + Br2
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
V2O4 + HI = V2O3 + I2 + H2O =>
V2O4 + 2 HI = V2O3 + I2 + H2O
FeS + HNO3 = Fe(NO3)3 + NO + S + H2O =>
FeS + 4 HNO3 = Fe(NO3)3 + NO + S + 2 H2O
LiCH3COO + Zn3(AsO4)2 = Li3AsO4 + Zn(CH3COO)2 =>
6 LiCH3COO + Zn3(AsO4)2 = 2 Li3AsO4 + 3 Zn(CH3COO)2
K2CrO4 + H2S + HCl = CrCl3 + KCl + S + H2O =>
2 K2CrO4 + 3 H2S + 10 HCl = 2 CrCl3 + 4 KCl + 3 S + 8 H2O
FeS + HNO3 = Fe(NO3)2 + NO + S + H2O =>
3 FeS + 8 HNO3 = 3 Fe(NO3)2 + 2 NO + 3 S + 4 H2O
FeS + HNO3 = Fe(NO3)3 + S + NO2 + H2O =>
FeS + 6 HNO3 = Fe(NO3)3 + S + 3 NO2 + 3 H2O
Al2(SO4)3 + Na2SO3 + H2O = Al(OH)3 + SO2 + Na2SO4 =>
Al2(SO4)3 + 3 Na2SO3 + 3 H2O = 2 Al(OH)3 + 3 SO2 + 3 Na2SO4
BaO2 + Cr2(SO4)3 + NaOH = Na2CrO4 + BaSO4 + H2O =>
3 BaO2 + Cr2(SO4)3 + 4 NaOH = 2 Na2CrO4 + 3 BaSO4 + 2 H2O
FeS + HNO3 = Fe(NO3)3 + H2SO4 + NO2 + H2O =>
FeS + 12 HNO3 = Fe(NO3)3 + H2SO4 + 9 NO2 + 5 H2O
KI + KIO3 + HCl = ICl + KCl + H2O =>
2 KI + KIO3 + 6 HCl = 3 ICl + 3 KCl + 3 H2O
FeS(s) + HCl(ac) = FeCl2(ac) + H2S =>
FeS(s) + 2 HCl(ac) = FeCl2(ac) + H2S
KBr + H2O = HBr + K2O =>
2 KBr + H2O = 2 HBr + K2O
ZS(s) + O(g) = ZO(s) + SO2(g) =>
ZS(s) + 3 O(g) = ZO(s) + SO2(g)
H2S + O2 = HSO2 + H2O =>
4 H2S + 5 O2 = 4 HSO2 + 2 H2O
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