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4 Al + 3 O2 = 2 Al2O3
Hg + HI + O2 = H2[HgI4] + H2O =>
2 Hg + 8 HI + O2 = 2 H2[HgI4] + 2 H2O
H2SO4 + AgCl + Ag2Cr2O7 = Cr2(SO4)3 + Ag2SO4 + Cl2 + H2O =>
7 H2SO4 + 6 AgCl + Ag2Cr2O7 = Cr2(SO4)3 + 4 Ag2SO4 + 3 Cl2 + 7 H2O
Rf9 + C2 = Rf4C3 =>
8 Rf9 + 27 C2 = 18 Rf4C3
BaCO2 + HCl = BaCl2 + H2 + CO2 =>
BaCO2 + 2 HCl = BaCl2 + H2 + CO2
Mg(OH)2 + (NH4)2SO3 = MgSO3 + NH3 + H2O =>
Mg(OH)2 + (NH4)2SO3 = MgSO3 + 2 NH3 + 2 H2O
C6H12O6 + KClO3 = CO2 + H2O + KCl =>
C6H12O6 + 4 KClO3 = 6 CO2 + 6 H2O + 4 KCl
Zn3P2 = Zn + P =>
Zn3P2 = 3 Zn + 2 P
Cs(s) + P4(s) = CsP4(s) =>
Cs(s) + P4(s) = CsP4(s)
CaSO4 + AlBr3 = CaBr2 + Al2(SO4)3 =>
3 CaSO4 + 2 AlBr3 = 3 CaBr2 + Al2(SO4)3
(CH2)4(g) + O2(g) = CO2(g) + H2O(g) =>
(CH2)4(g) + 6 O2(g) = 4 CO2(g) + 4 H2O(g)
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
NiI3 = Ni + I =>
NiI3 = Ni + 3 I
Fe + NCS = (Fe(NCS)3)1 =>
Fe + 3 NCS = (Fe(NCS)3)1
Na + SO2 = Na2SO2 =>
2 Na + SO2 = Na2SO2
NO2 + H2O = HNO3 + HNO2 =>
2 NO2 + H2O = HNO3 + HNO2
H2C2 + O2 = CO2 + H2O =>
2 H2C2 + 5 O2 = 4 CO2 + 2 H2O
Pb + HNO2 = Pb(NO2)4 + H2 =>
Pb + 4 HNO2 = Pb(NO2)4 + 2 H2
NaOH(s) + H2O(l) = Na(OH)2 + H2 =>
2 NaOH(s) + 2 H2O(l) = 2 Na(OH)2 + H2
HNO3 + H2Te = H2TeO3 + NO2 + H2O =>
6 HNO3 + H2Te = H2TeO3 + 6 NO2 + 3 H2O
Fe + H2O2 + H{+} = Fe3{+} + H2O =>
6 Fe + H2O2 + 2 H{+} = 2 Fe3{+} + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Al(OH)3(aq) = Al2O3(aq) + H2O(l) =>
2 Al(OH)3(aq) = Al2O3(aq) + 3 H2O(l)
Pb(NO3)2 + AlCl3 = PbCl2 + Al(NO3)3 =>
3 Pb(NO3)2 + 2 AlCl3 = 3 PbCl2 + 2 Al(NO3)3
CoCl2(aq) + AgNO3(aq) = AgCl + Co(NO3)2(aq) =>
CoCl2(aq) + 2 AgNO3(aq) = 2 AgCl + Co(NO3)2(aq)
Mg(s) + HCl(g) = MgCl(s) + H2(g) =>
2 Mg(s) + 2 HCl(g) = 2 MgCl(s) + H2(g)
C13H8O + NaBH4 = C13H9O + NaBH3 =>
C13H8O + NaBH4 = C13H9O + NaBH3
C5H5 + Fe = Fe(C5H5)2 =>
2 C5H5 + Fe = Fe(C5H5)2
Ba(NO2)2 = Ba + NO2 =>
Ba(NO2)2 = Ba + 2 NO2
Nd2Fe14B + HCl = NdCl3 + FeCl2 + B + H2 =>
Nd2Fe14B + 34 HCl = 2 NdCl3 + 14 FeCl2 + B + 17 H2
FeI3 + KCl = FeCl3 + KI =>
FeI3 + 3 KCl = FeCl3 + 3 KI
HCl(aq) + K2CO3(s) = KCl(aq) + CO2 + H2O =>
2 HCl(aq) + K2CO3(s) = 2 KCl(aq) + CO2 + H2O
Pb(NO3)2 + NaOH = Pb(OH)2 + NaNO3 =>
Pb(NO3)2 + 2 NaOH = Pb(OH)2 + 2 NaNO3
CH3C6H5 + KMnO4 + H2SO4 = C6H5COOH + MnSO4 + K2SO4 + H2O =>
5 CH3C6H5 + 6 KMnO4 + 9 H2SO4 = 5 C6H5COOH + 6 MnSO4 + 3 K2SO4 + 14 H2O
As + Br2 = AsBr3 =>
2 As + 3 Br2 = 2 AsBr3
CuO + S = Cu2S + O2 =>
2 CuO + S = Cu2S + O2
Fe + C2 = FeC3 =>
2 Fe + 3 C2 = 2 FeC3
Al + H2(SO4) = Al(SO4) + H2 =>
Al + H2(SO4) = Al(SO4) + H2
Zn + Sn(No3)2 = Zn(No3)2 + Sn =>
Zn + Sn(No3)2 = Zn(No3)2 + Sn
Li2CO3 + Mg(NO3)2 = LiNO3 + MgCO3 =>
Li2CO3 + Mg(NO3)2 = 2 LiNO3 + MgCO3
Cu + NaNO3 + H2SO4 = CuSO4 + NO + H2O + Na2SO4 =>
3 Cu + 2 NaNO3 + 4 H2SO4 = 3 CuSO4 + 2 NO + 4 H2O + Na2SO4
Ge + H2SO4 = GeO2 + SO2 + H2O =>
Ge + 2 H2SO4 = GeO2 + 2 SO2 + 2 H2O
HBrO3 + H2S = S + HBr + H2O =>
HBrO3 + 3 H2S = 3 S + HBr + 3 H2O
Na2CO3CaCl2 = CaCO3 + NaCl =>
Na2CO3CaCl2 = CaCO3 + 2 NaCl
CO2 + Be(OH)2 = (BeOH)2CO3 + H2O =>
CO2 + 2 Be(OH)2 = (BeOH)2CO3 + H2O
N2H4 + Zn + KOH + H2O = NH3 + K2[Zn(OH)4] =>
N2H4 + Zn + 2 KOH + 2 H2O = 2 NH3 + K2[Zn(OH)4]
Pb + H2S = H2 + PbS =>
Pb + H2S = H2 + PbS
Al2Cl6 + Na2CO3 = CO2 + Al2O3 + NaCl =>
Al2Cl6 + 3 Na2CO3 = 3 CO2 + Al2O3 + 6 NaCl
CrO3 + SO2 = Cr2(SO4)3 =>
2 CrO3 + 3 SO2 = Cr2(SO4)3
Mn(CH3COO)2 = Mn + CH3COO =>
Mn(CH3COO)2 = Mn + 2 CH3COO
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