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2 C4H6 + 11 O2 = 8 CO2 + 6 H2O
Fe(OH)3 + HCl = FeCl3 + H2O =>
Fe(OH)3 + 3 HCl = FeCl3 + 3 H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Ba(NO3)2(aq) + K2CrO4(aq) = KNO3(aq) + BaCrO4(s) =>
Ba(NO3)2(aq) + K2CrO4(aq) = 2 KNO3(aq) + BaCrO4(s)
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Fe(ClO3)3 = FeCl3 + O2 =>
2 Fe(ClO3)3 = 2 FeCl3 + 9 O2
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
H + O = H2O =>
2 H + O = H2O
AgI + Fe2(CO3)3 = FeI3 + Ag2CO3 =>
6 AgI + Fe2(CO3)3 = 2 FeI3 + 3 Ag2CO3
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
S8 + NaOH = Na2S + Na2S2O3 + H2O =>
S8 + 12 NaOH = 4 Na2S + 2 Na2S2O3 + 6 H2O
Cu + O2 = Cu2O =>
4 Cu + O2 = 2 Cu2O
C12H22O11 = C + H2O =>
C12H22O11 = 12 C + 11 H2O
N2H4 + H2O2 = NO2 + H2O =>
N2H4 + 6 H2O2 = 2 NO2 + 8 H2O
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
Na + Fe2O3 = Fe + NaO =>
3 Na + Fe2O3 = 2 Fe + 3 NaO
FeCl2 + KNO3 + HCl = FeCl3 + NO + H2O + KCl =>
3 FeCl2 + KNO3 + 4 HCl = 3 FeCl3 + NO + 2 H2O + KCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Fe2O3 + Al = Fe + Al2O3 =>
Fe2O3 + 2 Al = 2 Fe + Al2O3
Fe3O4 + Al = Fe + Al2O3 =>
3 Fe3O4 + 8 Al = 9 Fe + 4 Al2O3
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Zn + AgNO3 = Zn(NO3) + Ag =>
Zn + AgNO3 = Zn(NO3) + Ag
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
HCl + CaMg(CO3)2 = H2O + CaCl2 + MgCl2 + CO2 =>
4 HCl + CaMg(CO3)2 = 2 H2O + CaCl2 + MgCl2 + 2 CO2
AgI + Fe2(CO3)3 = FeI3 + Ag2CO3 =>
6 AgI + Fe2(CO3)3 = 2 FeI3 + 3 Ag2CO3
C8H8O3 + NaOH = C7H6O3 + H2O + Na =>
7 C8H8O3 + 14 NaOH = 8 C7H6O3 + 11 H2O + 14 Na
S2Cl2 + NH3 = N4S4 + NH4Cl + S8 =>
6 S2Cl2 + 16 NH3 = N4S4 + 12 NH4Cl + S8
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
NaCl + AgNO3 = NaNO3 + AgCl =>
NaCl + AgNO3 = NaNO3 + AgCl
Na2S2O3 + Br2 + NaOH = NaBr + Na2SO4 + H2O =>
Na2S2O3 + 4 Br2 + 10 NaOH = 8 NaBr + 2 Na2SO4 + 5 H2O
Na2CO3 + HCl = NaCl + H2CO3 =>
Na2CO3 + 2 HCl = 2 NaCl + H2CO3
NO2 = N2 + O2 =>
2 NO2 = N2 + 2 O2
CH3CH2CH2CH2Br + Mg = CH3CH2CH2CH2MgBr =>
CH3CH2CH2CH2Br + Mg = CH3CH2CH2CH2MgBr
NaOH + HCl = H2O + NaCl =>
NaOH + HCl = H2O + NaCl
CH3CH2OH + O2 = CO2 + H2O =>
CH3CH2OH + 3 O2 = 2 CO2 + 3 H2O
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
CH3CH2CH2CH2MgBr + CH3COCH3 + HOH = CH3CH2CH2CH2COHCH3CH3 + HOMgBr =>
CH3CH2CH2CH2MgBr + CH3COCH3 + HOH = CH3CH2CH2CH2COHCH3CH3 + HOMgBr
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Na2CO3 + CaCl2 = CaCO3 + NaCl =>
Na2CO3 + CaCl2 = CaCO3 + 2 NaCl
HNO3 + NaOH = NO3Na + H2O =>
HNO3 + NaOH = NO3Na + H2O
N2(g) + O2(g) + H2O = HNO3(aq) =>
2 N2(g) + 5 O2(g) + 2 H2O = 4 HNO3(aq)
CH3CH2CH2CH2MgBr + CH3COCH3 + HOH = CH3CH2CH2CH2COHCH3CH3 + HOMgBr =>
CH3CH2CH2CH2MgBr + CH3COCH3 + HOH = CH3CH2CH2CH2COHCH3CH3 + HOMgBr
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
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