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4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
C8H17OH + O2 = CO2 + H2O =>
C8H17OH + 12 O2 = 8 CO2 + 9 H2O
C11H23OH + O2 = CO2 + H2O =>
2 C11H23OH + 33 O2 = 22 CO2 + 24 H2O
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
Pb(NO3)2(aq) + Na2CrO4(aq) = PbCrO4(ppt) + NaNO3(aq) =>
Pb(NO3)2(aq) + Na2CrO4(aq) = PbCrO4(ppt) + 2 NaNO3(aq)
CH3COOH(aq) + NaOH(aq) = CH3COONa(aq) + H2O(l) =>
CH3COOH(aq) + NaOH(aq) = CH3COONa(aq) + H2O(l)
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
K2CrO4 + NaCl = KCl + Na2CrO4 =>
K2CrO4 + 2 NaCl = 2 KCl + Na2CrO4
CH4 + O2 = CO2 + H20 =>
5 CH4 + 5 O2 = 5 CO2 + H20
H2SO4 + Ca = CaSO4 + SO2 + H2O =>
2 H2SO4 + Ca = CaSO4 + SO2 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Pb(NO3)2 + NaI = Na(NO3)2 + PbI =>
Pb(NO3)2 + NaI = Na(NO3)2 + PbI
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2S + Cl2 = S8 + HCl =>
8 H2S + 8 Cl2 = S8 + 16 HCl
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
C9H19OH + O2 = CO2 + H2O =>
2 C9H19OH + 27 O2 = 18 CO2 + 20 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Mg(s) + O2(g) = MgO2(s) =>
Mg(s) + O2(g) = MgO2(s)
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
C2HNa + CH3Cl = C3H4 + NaCl =>
C2HNa + CH3Cl = C3H4 + NaCl
TiCl4 + H2O = TiO2 + HCl =>
TiCl4 + 2 H2O = TiO2 + 4 HCl
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
Zn + Fe(No3)3 = Zn(No3)2 + Fe =>
3 Zn + 2 Fe(No3)3 = 3 Zn(No3)2 + 2 Fe
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O
C3H8 + O2 = CO2 + H20 =>
5 C3H8 + 15 O2 = 15 CO2 + 2 H20
CO + Fe2O3 = Fe + CO2 =>
3 CO + Fe2O3 = 2 Fe + 3 CO2
SCl2 + NH3 = S4N4 + NH4Cl + S =>
6 SCl2 + 16 NH3 = S4N4 + 12 NH4Cl + 2 S
K3P(aq) + Al(NO3)3(aq) = KNO3(aq) + AlP(s) =>
K3P(aq) + Al(NO3)3(aq) = 3 KNO3(aq) + AlP(s)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Al(NO3)3 + BaCl2 = Ba(NO3)2 + AlCl3 =>
2 Al(NO3)3 + 3 BaCl2 = 3 Ba(NO3)2 + 2 AlCl3
CO + Fe2O3 = Fe + CO2 =>
3 CO + Fe2O3 = 2 Fe + 3 CO2
NaHCO3(aq) + CH3COOH(aq) = CO2(g) + H2O(l) + CH3COONa(aq) =>
NaHCO3(aq) + CH3COOH(aq) = CO2(g) + H2O(l) + CH3COONa(aq)
H2(g) + Cl2(g) = HCl(aq) =>
H2(g) + Cl2(g) = 2 HCl(aq)
Na2CO3 + KI = NaI + K2CO3 =>
Na2CO3 + 2 KI = 2 NaI + K2CO3
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
NaOH + H2SO4 = H2O + Na2SO4 =>
2 NaOH + H2SO4 = 2 H2O + Na2SO4
CH3COOH + NaOH = CH3COONa + H2O =>
CH3COOH + NaOH = CH3COONa + H2O
PbCl2(aq) + HNO(aq)3 = Pb(NO3)2(aq) + HCl(aq) =>
PbCl2(aq) + 2 HNO(aq)3 = Pb(NO3)2(aq) + 2 HCl(aq)
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
IO3{-} + H{+} + I{-} = I2 + H2O =>
IO3{-} + 6 H{+} + 5 I{-} = 3 I2 + 3 H2O
Al(s) + O2(g) = Al2O3(s) =>
4 Al(s) + 3 O2(g) = 2 Al2O3(s)
PbCl2(aq) + HNO3(aq) = Pb(NO3)2(aq) + HCl(aq) =>
PbCl2(aq) + 2 HNO3(aq) = Pb(NO3)2(aq) + 2 HCl(aq)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
MoO3 + Zn + H2SO4 = Mo2O3 + ZnSO4 + H2O =>
2 MoO3 + 3 Zn + 3 H2SO4 = Mo2O3 + 3 ZnSO4 + 3 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
P + O2 = P2O3 =>
4 P + 3 O2 = 2 P2O3
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
HBr + NH3 = NH4Br =>
HBr + NH3 = NH4Br
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