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2 Na(s) + 2 H2O(l) = 2 NaOH(aq) + H2(g)
FeSO4 + HNO3 + H2SO4 = Fe2(SO4)3 + NO + H2O =>
6 FeSO4 + 2 HNO3 + 3 H2SO4 = 3 Fe2(SO4)3 + 2 NO + 4 H2O
C6H8O7 + O2 = CO2 + H2O =>
2 C6H8O7 + 9 O2 = 12 CO2 + 8 H2O
Mg + H3PO4 = Mg3(PO4)2 + H2 =>
3 Mg + 2 H3PO4 = Mg3(PO4)2 + 3 H2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
P4(s) + H2(g) = PH3(g) =>
P4(s) + 6 H2(g) = 4 PH3(g)
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
AgNO3 + BaCl2 = AgCl + Ba(NO3)2 =>
2 AgNO3 + BaCl2 = 2 AgCl + Ba(NO3)2
KOH = K + OH =>
KOH = K + OH
Cu2S + O2 = Cu2O + SO2 =>
2 Cu2S + 3 O2 = 2 Cu2O + 2 SO2
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
Cu2S + O2 = Cu2O + SO2 =>
2 Cu2S + 3 O2 = 2 Cu2O + 2 SO2
Ca(HCO3)2 = CaCO3 + H2O + CO2 =>
Ca(HCO3)2 = CaCO3 + H2O + CO2
Ca(NO3)2 + Na2C2O4 = CaC2O4 + NaNO3 =>
Ca(NO3)2 + Na2C2O4 = CaC2O4 + 2 NaNO3
N + H = NH3 =>
N + 3 H = NH3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
K2PtCl4 + NH3 = Pt(NH3)2Cl2 + KCl =>
K2PtCl4 + 2 NH3 = Pt(NH3)2Cl2 + 2 KCl
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
N2O + NO2 = NO =>
N2O + NO2 = 3 NO
N2 + O2 = NO2 =>
N2 + 2 O2 = 2 NO2
NaOH + HCl = NaCl + HOH =>
NaOH + HCl = NaCl + HOH
FeBr3 + Mg(OH)2 = Fe(OH)3 + MgBr2 =>
2 FeBr3 + 3 Mg(OH)2 = 2 Fe(OH)3 + 3 MgBr2
SnO2 + HCl = SnCl4 + H2O =>
SnO2 + 4 HCl = SnCl4 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Na + SO4 = NaSO4 =>
Na + SO4 = NaSO4
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
H2O2 + H2SO4 + KI = K2SO4 + H2O + I2 =>
H2O2 + H2SO4 + 2 KI = K2SO4 + 2 H2O + I2
BrF + S8 = SF4 + Br2 =>
32 BrF + S8 = 8 SF4 + 16 Br2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Al + MgO = Al2O3 + Mg =>
2 Al + 3 MgO = Al2O3 + 3 Mg
Zn + Fe{3+} = Zn{2+} + Fe{2+} =>
Zn + 2 Fe{3+} = Zn{2+} + 2 Fe{2+}
Fe + H{+} = Fe{2+} + H2 =>
Fe + 2 H{+} = Fe{2+} + H2
AgNO3 + Cu = Ag + Cu(NO3)2 =>
2 AgNO3 + Cu = 2 Ag + Cu(NO3)2
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
Na2 + O2 = Na2O =>
2 Na2 + O2 = 2 Na2O
HBr + Al2O3 = AlBr3 + H2O =>
6 HBr + Al2O3 = 2 AlBr3 + 3 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
PbO2 = PbO + O2 =>
2 PbO2 = 2 PbO + O2
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
NaHCO3 + C6H8O7 = CO2 + H2O + Na3C6H5O7 =>
3 NaHCO3 + C6H8O7 = 3 CO2 + 3 H2O + Na3C6H5O7
Na2CO3 + Cr(OH)3 = H2O + CO2 + NaCrO2 =>
Na2CO3 + 2 Cr(OH)3 = 3 H2O + CO2 + 2 NaCrO2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
KCl + Na2CO3 = K2CO3 + NaCl =>
2 KCl + Na2CO3 = K2CO3 + 2 NaCl
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
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