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2 Fe + 3 H2So4 = Fe2(So4)3 + 3 H2
H2O + CH4 = CH3OH + H2 =>
H2O + CH4 = CH3OH + H2
Al(s) + O2(g) = Al2O3(s) =>
4 Al(s) + 3 O2(g) = 2 Al2O3(s)
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
NaOH + H2So4 = Na2So4 + H2O =>
2 NaOH + H2So4 = Na2So4 + 2 H2O
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
P + NaIO3 + NaOH = Na3PO4 + I2 + H2O =>
2 P + 2 NaIO3 + 4 NaOH = 2 Na3PO4 + I2 + 2 H2O
C6H + O2 = CO2 + H2O =>
4 C6H + 25 O2 = 24 CO2 + 2 H2O
MNO2 + HCl = Cl2 + MNCl2 + H2O =>
MNO2 + 4 HCl = Cl2 + MNCl2 + 2 H2O
LiNO3 = LiNO2 + O2 =>
2 LiNO3 = 2 LiNO2 + O2
C2H2 + Br2 = C2HBr + HBr =>
C2H2 + Br2 = C2HBr + HBr
HNO3 + Ca = NH4NO3 + Ca(NO3)2 + H2O =>
10 HNO3 + 4 Ca = NH4NO3 + 4 Ca(NO3)2 + 3 H2O
KMnO2 = K2O + MnO + O2 =>
4 KMnO2 = 2 K2O + 4 MnO + O2
NaOH + H2So4 = Na2So4 + H2O =>
2 NaOH + H2So4 = Na2So4 + 2 H2O
CuZn + HCl = CuCl + Zn + H =>
CuZn + HCl = CuCl + Zn + H
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 H2O
Fe2O3(s) + H2O(l) = Fe(OH)3(s) =>
Fe2O3(s) + 3 H2O(l) = 2 Fe(OH)3(s)
NH4NO2 + Ba(OH)2 = NH4OH + Ba(NO2)2 =>
2 NH4NO2 + Ba(OH)2 = 2 NH4OH + Ba(NO2)2
C4H9OH + CuO = C4H8OH + H2O + Cu =>
2 C4H9OH + CuO = 2 C4H8OH + H2O + Cu
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
KCl + AgNO3 = KNO3 + AgCl =>
KCl + AgNO3 = KNO3 + AgCl
C6H5OH + Br2 = C6H5OBr + HBr =>
C6H5OH + Br2 = C6H5OBr + HBr
C12H23 + O2 = CO2 + H2O =>
4 C12H23 + 71 O2 = 48 CO2 + 46 H2O
KOH + BaSO4 = KSO4 + BaOH =>
KOH + BaSO4 = KSO4 + BaOH
Ca3(PO4)2 + SiO2 + C = P4 + CaSiO3 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = P4 + 6 CaSiO3 + 10 CO
S + O = SO =>
S + O = SO
NaBr + Cl2 = NaCl2 + Br2 =>
2 NaBr + 2 Cl2 = 2 NaCl2 + Br2
H3O + Cl + CaCO3 = CaCl2 + H3CO4 =>
H3O + 2 Cl + CaCO3 = CaCl2 + H3CO4
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
MnO2 + KClO3 + KOH = K2MnO4 + KCl + H2O =>
3 MnO2 + KClO3 + 6 KOH = 3 K2MnO4 + KCl + 3 H2O
Zn + K2Cr2O7 + H2SO4 = ZnSO4 + Cr2(SO4)3 + K2SO4 + H2O =>
3 Zn + K2Cr2O7 + 7 H2SO4 = 3 ZnSO4 + Cr2(SO4)3 + K2SO4 + 7 H2O
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Fe2 + S = FeS =>
Fe2 + 2 S = 2 FeS
V + HNO3 = HVO3 + NO2 + H2O =>
V + 5 HNO3 = HVO3 + 5 NO2 + 2 H2O
C2H2 + NaOH = C2HNa + H2O =>
C2H2 + NaOH = C2HNa + H2O
Ca(OH)2(aq) + HNO3(aq) = Ca(NO3)2(aq) + H2O(l) =>
Ca(OH)2(aq) + 2 HNO3(aq) = Ca(NO3)2(aq) + 2 H2O(l)
C6H16 + O2 = CO2 + H2O =>
C6H16 + 10 O2 = 6 CO2 + 8 H2O
NaOH + Cl2 = NaClO + H2O + NaCl =>
2 NaOH + Cl2 = NaClO + H2O + NaCl
CH3COOH + CH3CL = CH3COOCH3 + HCL =>
CH3COOH + CH3CL = CH3COOCH3 + HCL
K2Cr2O7 + H2SO4 + Al = Cr2(SO4)3 + Al2O3 + K2SO4 + H2O =>
K2Cr2O7 + 4 H2SO4 + 2 Al = Cr2(SO4)3 + Al2O3 + K2SO4 + 4 H2O
HNO3 + Ca(OH)2 = Ca(NO3)2 + H2O =>
2 HNO3 + Ca(OH)2 = Ca(NO3)2 + 2 H2O
Ni(s) + F2(g) = NiF2(s) =>
Ni(s) + F2(g) = NiF2(s)
NaCl + Mg = MgCl + Na =>
NaCl + Mg = MgCl + Na
CH3COOH + CH3Cl = CH3COOCH3 + HCl =>
CH3COOH + CH3Cl = CH3COOCH3 + HCl
H2S + Br2 = HBr + S =>
H2S + Br2 = 2 HBr + S
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
CdSO4 + NH4OH = CdOH + NH4SO4 =>
CdSO4 + NH4OH = CdOH + NH4SO4
CaO + Al = Al2O3 + Ca =>
3 CaO + 2 Al = Al2O3 + 3 Ca
KClO3 + P2O3 = KCl + P2O5 =>
2 KClO3 + 3 P2O3 = 2 KCl + 3 P2O5
Al3 + Br2 = AlBr3 =>
2 Al3 + 9 Br2 = 6 AlBr3
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