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2 Na + 2 H2O = 2 NaOH + H2
Fe + HCl = FeCl + H2 =>
2 Fe + 2 HCl = 2 FeCl + H2
PbNO3 + KI = PbI + KNO3 =>
PbNO3 + KI = PbI + KNO3
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
HCl + O2 = H2O + Cl =>
4 HCl + O2 = 2 H2O + 4 Cl
N2 + H = NH3 =>
N2 + 6 H = 2 NH3
NaCl + AgNO3 = AgCl + NaNO3 =>
NaCl + AgNO3 = AgCl + NaNO3
Na + Cl = NaCl =>
Na + Cl = NaCl
Na2CO3 + Ca(OH)2 = CaCO3(s) + NaOH(aq) =>
Na2CO3 + Ca(OH)2 = CaCO3(s) + 2 NaOH(aq)
CuSO4 + KI = CuI2 + SO4 + K =>
CuSO4 + 2 KI = CuI2 + SO4 + 2 K
Cl2 = Cl4 =>
2 Cl2 = Cl4
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
NaHCO3 + HCl = NaCl + H2O + CO2 =>
NaHCO3 + HCl = NaCl + H2O + CO2
NaCl + AgNO3 = AgCl + NaNO3 =>
NaCl + AgNO3 = AgCl + NaNO3
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
(NH4)2CO3 = H2O + NH3 + CO2 =>
(NH4)2CO3 = H2O + 2 NH3 + CO2
Al + Cl = AlCl =>
Al + Cl = AlCl
NO2 + O2 + H2O = HNO3 =>
4 NO2 + O2 + 2 H2O = 4 HNO3
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
Fe2O3 + C = Fe + CO =>
Fe2O3 + 3 C = 2 Fe + 3 CO
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Ba(NO3)2 + Na3PO4 = Ba3(PO4)2 + NaNO3 =>
3 Ba(NO3)2 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaNO3
K2Cr2O7 + NaCl + H2SO4 = CrO2Cl2 + K2SO4 + Na2SO4 + H2O =>
K2Cr2O7 + 4 NaCl + 3 H2SO4 = 2 CrO2Cl2 + K2SO4 + 2 Na2SO4 + 3 H2O
NH3 + H2O = NH4OH =>
NH3 + H2O = NH4OH
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
(NH4)3PO4 + Ba(OH)2 = Ba3(PO4)2 + NH4OH =>
2(NH4)3PO4 + 3 Ba(OH)2 = Ba3(PO4)2 + 6 NH4OH
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
Ag + O2 = Ag2O =>
4 Ag + O2 = 2 Ag2O
CH4 + O2 = CO + H2O =>
2 CH4 + 3 O2 = 2 CO + 4 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
CH4 + O = CO + H2O =>
CH4 + 3 O = CO + 2 H2O
Cu(NO3)2 + Fe = Fe(NO3)2 + Cu =>
Cu(NO3)2 + Fe = Fe(NO3)2 + Cu
Na + H2O = H2 + NaOH =>
2 Na + 2 H2O = H2 + 2 NaOH
KOH + H2SO4 = K2SO4 + H2O =>
2 KOH + H2SO4 = K2SO4 + 2 H2O
KHCO3 + H2SO4 = K2SO4 + H2O + CO2 =>
2 KHCO3 + H2SO4 = K2SO4 + 2 H2O + 2 CO2
CaCO3 + HCl = CaCl2 + H2O + CO2 =>
CaCO3 + 2 HCl = CaCl2 + H2O + CO2
Fe(OH)3 = Fe + O + H2O =>
2 Fe(OH)3 = 2 Fe + 3 O + 3 H2O
Mg + H3PO4 = Mg3(PO4)2 + H2 =>
3 Mg + 2 H3PO4 = Mg3(PO4)2 + 3 H2
Fe(OH)3 = Fe + O2 + H2O =>
4 Fe(OH)3 = 4 Fe + 3 O2 + 6 H2O
Fe(OH)3 = Fe + O + H2O =>
2 Fe(OH)3 = 2 Fe + 3 O + 3 H2O
Mg + HNO3 = Mg(NO3)2 + H2 =>
Mg + 2 HNO3 = Mg(NO3)2 + H2
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
C10H16 + Cl2 = C + HCl =>
C10H16 + 8 Cl2 = 10 C + 16 HCl
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