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Fe3O4 + 4 CO = 3 Fe + 4 CO2
C4H8O2 + O2 = CO2 + H2O =>
C4H8O2 + 5 O2 = 4 CO2 + 4 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Mg(OH)2 = Mg + OH =>
Mg(OH)2 = Mg + 2 OH
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
H{+} + Cr2O7{-2} + C2H5OH = Cr{+3} + C2H4O + H2O =>
8 H{+} + Cr2O7{-2} + 3 C2H5OH = 2 Cr{+3} + 3 C2H4O + 7 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
HCl(aq) + Zn(s) = H2(g) + ZnCl2(aq) =>
2 HCl(aq) + Zn(s) = H2(g) + ZnCl2(aq)
MnO2 + H2SO4 = Mn(SO4)2 + H2O =>
MnO2 + 2 H2SO4 = Mn(SO4)2 + 2 H2O
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
H2(g) + Cl2(g) = HCl(g) =>
H2(g) + Cl2(g) = 2 HCl(g)
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
AgBr + GaPO4 = Ag3PO4 + GaBr3 =>
3 AgBr + GaPO4 = Ag3PO4 + GaBr3
Ag + H2SO4 = Ag2SO4 + SO2 + H2O =>
2 Ag + 2 H2SO4 = Ag2SO4 + SO2 + 2 H2O
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
H2O + CO2 = H2CO3 =>
H2O + CO2 = H2CO3
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
C5H10O + O2 = CO2 + H2O =>
C5H10O + 7 O2 = 5 CO2 + 5 H2O
C9H20 + O2 = CO2 + H20 =>
C9H20 + 9 O2 = 9 CO2 + H20
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
C9H20 + O2 = CO2 + H2O =>
C9H20 + 14 O2 = 9 CO2 + 10 H2O
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
Ag + H2S = Ag2S + H2 =>
2 Ag + H2S = Ag2S + H2
MnO2(s) + HCl(aq) = Cl2(g) + MnCl2(aq) + H2O(l) =>
MnO2(s) + 4 HCl(aq) = Cl2(g) + MnCl2(aq) + 2 H2O(l)
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
H + O = H2O =>
2 H + O = H2O
CO2 + LiOH = Li2CO3 + H2O =>
CO2 + 2 LiOH = Li2CO3 + H2O
H2S + O2(g) = SO2 + H2O =>
2 H2S + 3 O2(g) = 2 SO2 + 2 H2O
Mn(NO2)2 + BeCI2 = Be(NO2)2 + MnCI2 =>
Mn(NO2)2 + BeCI2 = Be(NO2)2 + MnCI2
MnO2(s) + HCl(aq) = Cl2(g) + MnCl2(aq) + H2O(l) =>
MnO2(s) + 4 HCl(aq) = Cl2(g) + MnCl2(aq) + 2 H2O(l)
H2S + H2O2 = S + H2O =>
H2S + H2O2 = S + 2 H2O
Cu(OH)2 + H3PO4 = Cu3(PO4)2 + H2O =>
3 Cu(OH)2 + 2 H3PO4 = Cu3(PO4)2 + 6 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
MgO = Mg + O2 =>
2 MgO = 2 Mg + O2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
Ba(s) + H2O(l) = Ba(OH)2(aq) + H2(g) =>
Ba(s) + 2 H2O(l) = Ba(OH)2(aq) + H2(g)
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
H2SO4 + B(OH)3 = B2(SO4)3 + H2O =>
3 H2SO4 + 2 B(OH)3 = B2(SO4)3 + 6 H2O
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