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2 Al + Cr2O3 = Al2O3 + 2 Cr
CHOOHC + KOH = H2O + CHOOKC =>
CHOOHC + KOH = H2O + CHOOKC
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
CuO + Na2SO4 = CuSO4 + Na2O =>
CuO + Na2SO4 = CuSO4 + Na2O
Ca(NO3)2 + Na2CO3 = Ca2(CO3)2 + Na(NO3) =>
2 Ca(NO3)2 + 2 Na2CO3 = Ca2(CO3)2 + 4 Na(NO3)
NCCH2COONa + CH3OH + H2SO4 = H3COCOCH2COCOH3 + Na2SO4 + NH3 =>
2 NCCH2COONa + 4 CH3OH + H2SO4 = 2 H3COCOCH2COCOH3 + Na2SO4 + 2 NH3
SiO + H2O = H2 + SiO2 =>
SiO + H2O = H2 + SiO2
ZnS + HCl = ZnCl2 + H2S =>
ZnS + 2 HCl = ZnCl2 + H2S
NH3 + CuO = Cu + N2 + H2O =>
2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
(NH4)Cl + Ca(OH)2 = (NH4)(OH) + CaCl2 =>
2(NH4)Cl + Ca(OH)2 = 2(NH4)(OH) + CaCl2
As2S3 + NaBrO3 + KOH = K2AsO4 + S + HBr + NaOH =>
As2S3 + 2 NaBrO3 + 4 KOH = 2 K2AsO4 + 3 S + 2 HBr + 2 NaOH
HBrO3 + HS = S + Br2 + H2O =>
2 HBrO3 + 10 HS = 10 S + Br2 + 6 H2O
AlNO2 + NaOH = AlOH + NaNO2 =>
AlNO2 + NaOH = AlOH + NaNO2
CaO + C = CaC2 + CO =>
CaO + 3 C = CaC2 + CO
Mg + CuSO4 = MgSO4 + Cu =>
Mg + CuSO4 = MgSO4 + Cu
C18H36O2 + NaOH = Na(C18H35O2) + H2O =>
C18H36O2 + NaOH = Na(C18H35O2) + H2O
Si3P4 = Si + P =>
Si3P4 = 3 Si + 4 P
AgNo3 + (Nh4)2Co3 = Ag2Co3 + Nh4No3 =>
2 AgNo3 + (Nh4)2Co3 = Ag2Co3 + 2 Nh4No3
Ag2Se + NaNO3 + H2SO4 = Ag2SO4 + SeO2 + NO2 + Na2SO4 + H2O =>
Ag2Se + 6 NaNO3 + 4 H2SO4 = Ag2SO4 + SeO2 + 6 NO2 + 3 Na2SO4 + 4 H2O
(NH2)2CO + AgNO3 = AgNO3(NH2)2CO =>
(NH2)2CO + AgNO3 = AgNO3(NH2)2CO
NH4F + Ca(OH)2 = NH3 + H2O + CaF2 =>
2 NH4F + Ca(OH)2 = 2 NH3 + 2 H2O + CaF2
K2SO3 + H2SO4 = K2SO4 + SO2 + H2O =>
K2SO3 + H2SO4 = K2SO4 + SO2 + H2O
FeCl{3+} + NaOH = FeOH{3+} + NaCl =>
FeCl{3+} + NaOH = FeOH{3+} + NaCl
NaOH + BaO = Ba(NaO)2 + H2O =>
2 NaOH + BaO = Ba(NaO)2 + H2O
CaO + C = CaC2 + CO =>
CaO + 3 C = CaC2 + CO
CH4 + KMnO4 = CH4KMnO4 =>
CH4 + KMnO4 = CH4KMnO4
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
C6H12O6 + H2SO4 = CO2 + H2S + H2O =>
C6H12O6 + 3 H2SO4 = 6 CO2 + 3 H2S + 6 H2O
MnO4{-} + H2S2O3 + H3O{+} = Mn{2+} + HSO4{-} + H2O =>
8 MnO4{-} + 5 H2S2O3 + 14 H3O{+} = 8 Mn{2+} + 10 HSO4{-} + 21 H2O
Mn + H2SO4 = MnSO4 + H2S + H2O =>
4 Mn + 5 H2SO4 = 4 MnSO4 + H2S + 4 H2O
CoCO3(s)H2SO4(aq) = CoSO4(aq)CO2(g)H2O(l) =>
CoCO3(s)H2SO4(aq) = CoSO4(aq)CO2(g)H2O(l)
CuCl2 + Al3 = Al2Cl3 + Cu2 =>
18 CuCl2 + 8 Al3 = 12 Al2Cl3 + 9 Cu2
Ba(NO3)3 + Na2SO4 = BaSO4 + Na2(NO3)3 =>
Ba(NO3)3 + Na2SO4 = BaSO4 + Na2(NO3)3
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
NH4Cl + Ca(OH)2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H2O
NiS2(s) + O2(g) = Ni2S3(s) + SO2(g) =>
2 NiS2(s) + O2(g) = Ni2S3(s) + SO2(g)
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Al2O3 + Ti = TiO2 + Ti3Al =>
2 Al2O3 + 15 Ti = 3 TiO2 + 4 Ti3Al
Mg + H2O = MgO + H2 =>
Mg + H2O = MgO + H2
N2 + O2 = NO =>
N2 + O2 = 2 NO
H2PtCl6*6H2O = H2 + Pt + Cl6 + H2O =>
H2PtCl6*6H2O = H2 + Pt + Cl6 + 6 H2O
NaCl(s) + AgNO3(aq) = AgCl(s) + NaNO3(aw) =>
NaCl(s) + AgNO3(aq) = AgCl(s) + NaNO3(aw)
Zn + HCl + NH4OH = (NH4)2[ZnCl4] + H2 + O2 =>
Zn + 4 HCl + 2 NH4OH = (NH4)2[ZnCl4] + 3 H2 + O2
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
KF + Fe(NO3)3 = FeF3 + KNO3 =>
3 KF + Fe(NO3)3 = FeF3 + 3 KNO3
Fe(NO3)3 + NaOH = Fe(OH)3 + NaNO3 =>
Fe(NO3)3 + 3 NaOH = Fe(OH)3 + 3 NaNO3
PbO + Al2 = Al2O3 + Pb2 =>
6 PbO + 2 Al2 = 2 Al2O3 + 3 Pb2
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
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