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2 Na + 2 H2O = 2 NaOH + H2
NH4OH + FeCl2 = Fe(OH)2 + NH4Cl =>
2 NH4OH + FeCl2 = Fe(OH)2 + 2 NH4Cl
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Br2 + C2 = C2Br4 =>
2 Br2 + C2 = C2Br4
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
PbBr2 + K2CO3 = KBr + PbCO3 =>
PbBr2 + K2CO3 = 2 KBr + PbCO3
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Ag(NO3)2 + Cu = Ag + Cu(NO3)2 =>
Ag(NO3)2 + Cu = Ag + Cu(NO3)2
Na + I2 = NaI =>
2 Na + I2 = 2 NaI
CO(NH2)2(aq) + O2(aq) = CO2(aq) + HNO3(aq) + H2O =>
CO(NH2)2(aq) + 4 O2(aq) = CO2(aq) + 2 HNO3(aq) + H2O
Na + I2 = NaI =>
2 Na + I2 = 2 NaI
Na + Cl = NaCl =>
Na + Cl = NaCl
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
Fe + AgO = Fe2O3 + Ag =>
2 Fe + 3 AgO = Fe2O3 + 3 Ag
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
Al(s) + HCl(aq) = AlCl3(aq) + H2(g) =>
2 Al(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2(g)
Cu{2+} + O2{2-} = CuO2 =>
Cu{2+} + O2{2-} = CuO2
C3H7Cl + C6H6 = C6HCl + C3H6 =>
C3H7Cl + 2 C6H6 = C6HCl + 3 C3H6
BaSO4 + NaClO3 = BaClO3 + NaSO4 =>
BaSO4 + NaClO3 = BaClO3 + NaSO4
Co{2+} + H{-} = CoH2 =>
Co{2+} + 2 H{-} = CoH2
Cu{2+} + SO3{2-} + OH{-} = SO4{-2} + Cu + H2O =>
Cu{2+} + SO3{2-} + 2 OH{-} = SO4{-2} + Cu + H2O
ZnO + K2O + H2O = K2[Zn(OH)4] =>
ZnO + K2O + 2 H2O = K2[Zn(OH)4]
AsH3 + MnO4{-} + H3O{+} = H3AsO4 + Mn{2+} + H2O =>
5 AsH3 + 8 MnO4{-} + 24 H3O{+} = 5 H3AsO4 + 8 Mn{2+} + 36 H2O
AgCl + Na2S2O3 = Ag2SO3 + NaCl + S =>
2 AgCl + Na2S2O3 = Ag2SO3 + 2 NaCl + S
NaClO4 + FeSO4 + H2SO4 = Fe2(SO4)3 + NaCl + H2O =>
NaClO4 + 8 FeSO4 + 4 H2SO4 = 4 Fe2(SO4)3 + NaCl + 4 H2O
Mg(NO3)2 + Fe(NO3)3 + CO(NH2)2 = MgFe2O4 + NO2 + H2O + CO2 =>
7 Mg(NO3)2 + 14 Fe(NO3)3 + 4 CO(NH2)2 = 7 MgFe2O4 + 64 NO2 + 8 H2O + 4 CO2
ZnCl2 + HNO3 = Zn(NO3)2 + HCl =>
ZnCl2 + 2 HNO3 = Zn(NO3)2 + 2 HCl
Al + C = Al4C3 =>
4 Al + 3 C = Al4C3
H3AsO4 + HCl = Cl2 + H2O + As4O6 =>
4 H3AsO4 + 8 HCl = 4 Cl2 + 10 H2O + As4O6
C395H267O13N7S + O2 = CO2 + H2O + SO2 + NO =>
4 C395H267O13N7S + 1839 O2 = 1580 CO2 + 534 H2O + 4 SO2 + 28 NO
Al + NaOH + C9H9NO2 + H2O = NaAl(OH)4 + C9H11NO =>
4 Al + 4 NaOH + 3 C9H9NO2 + 9 H2O = 4 NaAl(OH)4 + 3 C9H11NO
Na2S + AgNo3 = NaNo3 + Ag2S =>
Na2S + 2 AgNo3 = 2 NaNo3 + Ag2S
CaC2 + HBr = CaBr2 + C2H2 =>
CaC2 + 2 HBr = CaBr2 + C2H2
C2H3O2NH4 + NaOH = C2H3O2OH + NaNH4 =>
C2H3O2NH4 + NaOH = C2H3O2OH + NaNH4
Mn + O2 + H2O = Mn(OH)2 =>
2 Mn + O2 + 2 H2O = 2 Mn(OH)2
HSO3{-} + H2O = SO4{-2} + {-} + H{+} =>
HSO3{-} + H2O = SO4{-2} + 2e + 3 H{+}
H2 + CuO = O2 + CuH2 =>
2 H2 + 2 CuO = O2 + 2 CuH2
NaOH + Al = Na3AlO3 + H2 =>
6 NaOH + 2 Al = 2 Na3AlO3 + 3 H2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Mg + H2SO4 = MgSO4 + H2 =>
Mg + H2SO4 = MgSO4 + H2
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
C9H9NO2 + NaBH4 = C9H13N + NaBO2 =>
C9H9NO2 + NaBH4 = C9H13N + NaBO2
Mg + O = MgO =>
Mg + O = MgO
Fe{3+} + NH4OH = Fe(NH3)2{3+} + H2O =>
Fe{3+} + 2 NH4OH = Fe(NH3)2{3+} + 2 H2O
Na2SO3 + NaBr = Na2S + NaO + BrO2 =>
Na2SO3 + NaBr = Na2S + NaO + BrO2
Mg + O = MgO =>
Mg + O = MgO
Mg + AgNO3 = Mg(NO3)2 + Ag =>
Mg + 2 AgNO3 = Mg(NO3)2 + 2 Ag
I2 + CHCl4 = I(CHCl4) =>
I2 + 2 CHCl4 = 2 I(CHCl4)
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