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FeSO4 + (NH4)2S = FeSO4(NH4)2S
C4H8Cl2 + KOH = C4H6 + KCl + H2O =>
C4H8Cl2 + 2 KOH = C4H6 + 2 KCl + 2 H2O
N2H4 + N2O4 = N2 + H2O =>
2 N2H4 + N2O4 = 3 N2 + 4 H2O
CH3COOH + Ca(HCO3)2 = Ca(CH3COO)2 + CO2 + H2O =>
2 CH3COOH + Ca(HCO3)2 = Ca(CH3COO)2 + 2 CO2 + 2 H2O
Be(OH)2 + Na2SO4 = BeSO4 + NaOH =>
Be(OH)2 + Na2SO4 = BeSO4 + 2 NaOH
Mg2 + H2SO4 = H2 + Mg2SO4 =>
Mg2 + H2SO4 = H2 + Mg2SO4
Zn(OH)2 + H3BO3 = Zn[HBO3] + H2O =>
Zn(OH)2 + H3BO3 = Zn[HBO3] + 2 H2O
Zn + HCl + WO3 = ZnCl2 + HWO3 =>
Zn + 2 HCl + 2 WO3 = ZnCl2 + 2 HWO3
(d)Ba(OH)2(s) + HCl(aq) = BaCl2(aq) + H2O(l) =>
(d)Ba(OH)2(s) + 2 HCl(aq) = BaCl2(aq) + 2 H2O(l)
H2[PbI4] + H2SO4 = PbSO4 + I2 + S + H2O =>
3 H2[PbI4] + 5 H2SO4 = 3 PbSO4 + 6 I2 + 2 S + 8 H2O
NaOH + NCl = NaN + OHCl =>
NaOH + NCl = NaN + OHCl
Ba(OH)2 + H2SeO3 = H2O + Ba(HSeO3)2 =>
Ba(OH)2 + 2 H2SeO3 = 2 H2O + Ba(HSeO3)2
Na2HCO3 = Na + H2O + CO + O2 =>
4 Na2HCO3 = 8 Na + 2 H2O + 4 CO + 3 O2
NO + Br2 + H2O = HNO3 + HBr =>
2 NO + 3 Br2 + 4 H2O = 2 HNO3 + 6 HBr
ArOH + NaHCO3 = ArONa + H2CO3 =>
ArOH + NaHCO3 = ArONa + H2CO3
Fe + NaNO3 + NaOH = Na2FeO4 + NaNO2 + H2O =>
Fe + 3 NaNO3 + 2 NaOH = Na2FeO4 + 3 NaNO2 + H2O
C7H16(s) + O2(aq) = CO2(aq) + H2O(aq) =>
C7H16(s) + 11 O2(aq) = 7 CO2(aq) + 8 H2O(aq)
NaI(aq) + Hg(CH3COO)2(aq) = HgI2(s) + CH3COONa(aq) =>
2 NaI(aq) + Hg(CH3COO)2(aq) = HgI2(s) + 2 CH3COONa(aq)
Al2(SO4)3 = Al2O3 + SO3 =>
Al2(SO4)3 = Al2O3 + 3 SO3
O2 + CH4 = CO2 + H2O =>
2 O2 + CH4 = CO2 + 2 H2O
MgAl2O4 = MgO + Al2O3 =>
MgAl2O4 = MgO + Al2O3
Pb + BrO3 = Pb3(BrO3)4 =>
3 Pb + 4 BrO3 = Pb3(BrO3)4
H2(SO)4 + Al(OH)4 = SO4 + Al(OH)3 + H2O =>
H2(SO)4 + 26 Al(OH)4 = 4 SO4 + 26 Al(OH)3 + 14 H2O
La4[Fe(CN)6]3 + La2(Cr5O16)3 + H2S2O8 + La2(S2O3)3 = LaFe2(S2O7)3 + Cr2(S4O6)3 + La(NO3)3 + C10H8 + H2O =>
800 La4[Fe(CN)6]3 + 226 La2(Cr5O16)3 + 10248 H2S2O8 + 1174 La2(S2O3)3 = 1200 LaFe2(S2O7)3 + 1695 Cr2(S4O6)3 + 4800 La(NO3)3 + 1440 C10H8 + 4488 H2O
HNO3 + PB(NO3)2 = PB(NO3)4 + NO + H2O =>
8 HNO3 + 3 PB(NO3)2 = 3 PB(NO3)4 + 2 NO + 4 H2O
CaSO4 + BaCl2 + H2O = BaSO4 + Ca(OH)2 + HCl =>
CaSO4 + BaCl2 + 2 H2O = BaSO4 + Ca(OH)2 + 2 HCl
lithiumcarbonate + cobalt(ii)Bromide = cobalt(ii)carbonate + lithiumbromide =>
Li2CO3 + CoBr2 = CoCO3 + 2 LiBr
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Co(CH3COO)2 + K2CO3 = CoCO3 + KCH3COO =>
Co(CH3COO)2 + K2CO3 = CoCO3 + 2 KCH3COO
CH3CH2NH2 + H2SO4 = (CH3CH2NH3)2SO4 =>
2 CH3CH2NH2 + H2SO4 = (CH3CH2NH3)2SO4
Li2CO3 + Mn2O3 + O2 = LiMn2O4 + CO2 =>
2 Li2CO3 + 4 Mn2O3 + O2 = 4 LiMn2O4 + 2 CO2
CaCl2 + H2SO4 = HCl + CaSO4 =>
CaCl2 + H2SO4 = 2 HCl + CaSO4
Na3PO4 + BaCl2 = Na3Cl2 + PO4Ba =>
Na3PO4 + BaCl2 = Na3Cl2 + PO4Ba
H2O + MnO3 = Mn(OH) + OH =>
3 H2O + MnO3 = Mn(OH) + 5 OH
ZnO + CuSO4 = ZnSO4 + CuO =>
ZnO + CuSO4 = ZnSO4 + CuO
KClO4 + AgNO3 = AgCl + KNO3 + O =>
KClO4 + AgNO3 = AgCl + KNO3 + 4 O
KHSO4 = K2SO4 + H2O + SO3 =>
2 KHSO4 = K2SO4 + H2O + SO3
MnO2 + NO2 = Mn + NO3 =>
MnO2 + 2 NO2 = Mn + 2 NO3
Ca + C + O2 = CaCO =>
2 Ca + 2 C + O2 = 2 CaCO
MnCl2 + Na(OH) = NaCl + MnO2 + H2 =>
MnCl2 + 2 Na(OH) = 2 NaCl + MnO2 + H2
SnCO3 + NaOH = Sn(OH)2 + Na2CO3 =>
SnCO3 + 2 NaOH = Sn(OH)2 + Na2CO3
Au2O3 = Au + O2Au2O3 = Au + O2 =>
5 Au2O3 = 4 Au + 3 O2Au2O3
Cr2O3 + Al(s) = Cr(s) + Al2O3(s) =>
Cr2O3 + 2 Al(s) = 2 Cr(s) + Al2O3(s)
CrOOH + I2 + KOH = K2CrO4 + KI + H2O =>
2 CrOOH + 3 I2 + 10 KOH = 2 K2CrO4 + 6 KI + 6 H2O
C6H5COCl + C2H5OH = C6H5COC2H5 + Cl + H2O =>
20 C6H5COCl + 29 C2H5OH = 22 C6H5COC2H5 + 20 Cl + 27 H2O
FeS + HCl = SH2 + ClFeCl =>
FeS + 2 HCl = SH2 + ClFeCl
S + CuO = SO2 + Cu =>
S + 2 CuO = SO2 + 2 Cu
NaCO3 + H2O = NaHCO3 + O2 =>
4 NaCO3 + 2 H2O = 4 NaHCO3 + O2
NI3(g) = N2(g) + I2(g) =>
2 NI3(g) = N2(g) + 3 I2(g)
KOH + AI(NO3)3 = KNO3 + AI(OH)3 =>
3 KOH + AI(NO3)3 = 3 KNO3 + AI(OH)3
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