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2 Ni2O3() = 4 Ni + 3 O2
CuCl2 = Cl2 + Cu =>
CuCl2 = Cl2 + Cu
CuSO4*5H2O + O2 = CuSO4 + OH =>
2 CuSO4*5H2O + 5 O2 = 2 CuSO4 + 20 OH
HCl + KMnO4 = Cl2 + MnCl2 + KCl + H2O =>
16 HCl + 2 KMnO4 = 5 Cl2 + 2 MnCl2 + 2 KCl + 8 H2O
K + F2 = KF =>
2 K + F2 = 2 KF
Cu + HNO3 + H2O = [Cu(H2O)6](NO3)2 + NO2 =>
Cu + 4 HNO3 + 4 H2O = [Cu(H2O)6](NO3)2 + 2 NO2
Ca + Pb(NO3)2 = Pb + Ca(NO3)2 =>
Ca + Pb(NO3)2 = Pb + Ca(NO3)2
Al + HCHO2 = H2 + AlCHO2 =>
2 Al + 2 HCHO2 = H2 + 2 AlCHO2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Mg + CaO = MgO + Ca =>
Mg + CaO = MgO + Ca
Pb2C2H3O2 + NH4OH = Pb2OH + NH4C2H3O2 =>
Pb2C2H3O2 + NH4OH = Pb2OH + NH4C2H3O2
Pb{2+} + Cd = Cd{2+} + Pb =>
Pb{2+} + Cd = Cd{2+} + Pb
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
P4 + NaOH + H2O = PH4 + NaH2PO4 =>
9 P4 + 16 NaOH + 48 H2O = 20 PH4 + 16 NaH2PO4
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
Al + OH{-} + H2O = Al(OH)3{-} + H2 =>
Al + OH{-} + 2 H2O = Al(OH)3{-} + H2
W6O + H2 = W + H2O =>
W6O + H2 = 6 W + H2O
HCl + H2O = H3O{+} + Cl{-} =>
HCl + H2O = H3O{+} + Cl{-}
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
HCl + Cu = CuCl2 + H2 =>
2 HCl + Cu = CuCl2 + H2
C25H52 + Cl2 = C + HCl =>
C25H52 + 26 Cl2 = 25 C + 52 HCl
Co(NO3)3(aq) + (NH4)2S(aq) = Co2S3(s) + NH4NO3(aq) =>
2 Co(NO3)3(aq) + 3(NH4)2S(aq) = Co2S3(s) + 6 NH4NO3(aq)
Zn + CuSO4 = Cu + ZnSO4 =>
Zn + CuSO4 = Cu + ZnSO4
PbO + HNO3 = PbO2 + H2O + NO =>
3 PbO + 2 HNO3 = 3 PbO2 + H2O + 2 NO
C8H10N4O2 + C6H8O7 = C14H18N4O9 =>
C8H10N4O2 + C6H8O7 = C14H18N4O9
C4H10 = C4H8 + H2 =>
C4H10 = C4H8 + H2
NaOH + SO4 = Na2SO4 + OH =>
2 NaOH + SO4 = Na2SO4 + 2 OH
K2SO4 + Mg(NO3)2 = KNO3 + MgSO4 =>
K2SO4 + Mg(NO3)2 = 2 KNO3 + MgSO4
BaO + SO2 = BaO2 + S =>
2 BaO + SO2 = 2 BaO2 + S
C6H5NH2 + H2SO4 + K2Cr2O7 = C6H4O2 + K2SO4 + Cr2SO4 + NH3 + H2O =>
5 C6H5NH2 + 4 H2SO4 + 2 K2Cr2O7 = 5 C6H4O2 + 2 K2SO4 + 2 Cr2SO4 + 5 NH3 + 4 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NH4OH = NH3 + H2O =>
NH4OH = NH3 + H2O
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
Ag + KNO3 = AgNO3 + K =>
Ag + KNO3 = AgNO3 + K
ZnBr2 + Pb(NO2)2 = Zn(NO2)2 + PbBr2 =>
ZnBr2 + Pb(NO2)2 = Zn(NO2)2 + PbBr2
FeCl3 + CaCO3 = Fe2O3 + CaCl2 + CO2 =>
2 FeCl3 + 3 CaCO3 = Fe2O3 + 3 CaCl2 + 3 CO2
Ag + KNO3 = AgNO3 + K =>
Ag + KNO3 = AgNO3 + K
LiCl + Br2 = LiBr + Cl2 =>
2 LiCl + Br2 = 2 LiBr + Cl2
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
C4H8 + O3 = CO2 + H2O =>
C4H8 + 4 O3 = 4 CO2 + 4 H2O
NaAt(s) + Cl2(g) = NaCl(s) + At(s) =>
2 NaAt(s) + Cl2(g) = 2 NaCl(s) + 2 At(s)
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Al2O3 + H2O = Al(HO)3 =>
Al2O3 + 3 H2O = 2 Al(HO)3
H2CO4 + Al = Al2(CO4)3 + H2 =>
3 H2CO4 + 2 Al = Al2(CO4)3 + 3 H2
Pb(NO3)2 + Na2(SO4) = Pb2(SO4)2 + Na(NO3) =>
2 Pb(NO3)2 + 2 Na2(SO4) = Pb2(SO4)2 + 4 Na(NO3)
CH3CH2COOH(aq) + CaCO3 = (CH3CH2COO)2Ca + H2CO3 =>
2 CH3CH2COOH(aq) + CaCO3 = (CH3CH2COO)2Ca + H2CO3
K2S + H2SO4 = K2SO4 + H2S =>
K2S + H2SO4 = K2SO4 + H2S
F2 + B = F2B =>
F2 + B = F2B
C4H8O + O2 = CO2 + H2O =>
2 C4H8O + 11 O2 = 8 CO2 + 8 H2O
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