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2 Na2O + CO = Na2CO3 + 2 Na
NH3 + (NH4)2SO4 = NH3(NH4)2SO4 =>
NH3 + (NH4)2SO4 = NH3(NH4)2SO4
Na(s) + Al2(SO4)3(aq) = Al(s) + Na2SO4(aq) =>
6 Na(s) + Al2(SO4)3(aq) = 2 Al(s) + 3 Na2SO4(aq)
PB(CH3COO)2 + KNO3 = PB(NO3)2 + K(CH3COO) =>
PB(CH3COO)2 + 2 KNO3 = PB(NO3)2 + 2 K(CH3COO)
Na + I = NaI =>
Na + I = NaI
Na2CrO4 + AgNO3 = Na2NO3 + AgCrO4 = AgCrO4 + NaNO3 =>
Na2CrO4 + AgNO3 = Na2NO3 + AgCrO4
Fe + CO2 + O = FeCO3 =>
Fe + CO2 + O = FeCO3
Na + Fe3SO4 = Na2SO4 + Fe =>
2 Na + Fe3SO4 = Na2SO4 + 3 Fe
Ca(OH)2 + CH3COOH = CaH3COOH + C(OH)2 =>
Ca(OH)2 + CH3COOH = CaH3COOH + C(OH)2
Sb2O3 + HCl = SbCl3 + H2O =>
Sb2O3 + 6 HCl = 2 SbCl3 + 3 H2O
Bi + Na2CO3 = Na + (BiO)2CO3 + CO2 =>
2 Bi + 3 Na2CO3 = 6 Na + (BiO)2CO3 + 2 CO2
C3O2{-2} + IO3{-} + H{+} = CO2 + I2 + H2O =>
C3O2{-2} + 2 IO3{-} + 4 H{+} = 3 CO2 + I2 + 2 H2O
NaCl + NO2 = NaNO2 + Cl =>
NaCl + NO2 = NaNO2 + Cl
NaOH + FeSO4 = Na3SO4 + Fe(OH)3 =>
3 NaOH + FeSO4 = Na3SO4 + Fe(OH)3
Ba + Zn(OH)2 = Ba(OH)2 + Zn =>
Ba + Zn(OH)2 = Ba(OH)2 + Zn
PbO2 + H = Pb + H2O =>
PbO2 + 4 H = Pb + 2 H2O
CH3NH2 = CH2 + NH3 =>
CH3NH2 = CH2 + NH3
Cu2SO4 + NH4OH = CuOH + (NH4)2SO4 =>
Cu2SO4 + 2 NH4OH = 2 CuOH + (NH4)2SO4
HC + NaOH = NaC + H2O =>
HC + NaOH = NaC + H2O
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Fe(k) + O2(d) = Fe2O3(k) =>
4 Fe(k) + 3 O2(d) = 2 Fe2O3(k)
NH3 + HNO3 = NH2NO3 + H2O =>
3 NH3 + 5 HNO3 = 4 NH2NO3 + 3 H2O
Ag2S = Ag + S(s) =>
Ag2S = 2 Ag + S(s)
NH4OH + Pb(NO3)2 = NH4NO3 + Pb(OH)2 =>
2 NH4OH + Pb(NO3)2 = 2 NH4NO3 + Pb(OH)2
C3H5 + O2 = CO2 + H2O =>
4 C3H5 + 17 O2 = 12 CO2 + 10 H2O
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
MgF2 + Li2CO3 = MgCO3 + LiF =>
MgF2 + Li2CO3 = MgCO3 + 2 LiF
K2Cr2O7 + HCl + H = CrCl3 + KCl + H2O =>
K2Cr2O7 + 8 HCl + 6 H = 2 CrCl3 + 2 KCl + 7 H2O
Mg + SO2 + O2 = MgSO4 =>
Mg + SO2 + O2 = MgSO4
P + I = PI3 =>
P + 3 I = PI3
Zn(CO3) + HNO3 = Zn(NO3)2 + CO2 + H2O =>
Zn(CO3) + 2 HNO3 = Zn(NO3)2 + CO2 + H2O
NaCl + Ba3(PO4)2 = Na3PO4 + BaCl2 =>
6 NaCl + Ba3(PO4)2 = 2 Na3PO4 + 3 BaCl2
H2 + Pb3O4 = Pb + H2O =>
4 H2 + Pb3O4 = 3 Pb + 4 H2O
Li3PO4 + NaBr = Na3PO4 + LiBr =>
Li3PO4 + 3 NaBr = Na3PO4 + 3 LiBr
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Ca(NO3)2 + Fe = Fe(NO3)3 + Ca =>
3 Ca(NO3)2 + 2 Fe = 2 Fe(NO3)3 + 3 Ca
AlBr3 + Cl2 = AlCl3 + Br2 =>
2 AlBr3 + 3 Cl2 = 2 AlCl3 + 3 Br2
NH4NO3 + H3BO3 = (NH2)3B + H2O + NO =>
15 NH4NO3 + 2 H3BO3 = 2(NH2)3B + 27 H2O + 24 NO
Pb(NO3)2 + AlCl3 = PbCl2 + Al(NO3)3 =>
3 Pb(NO3)2 + 2 AlCl3 = 3 PbCl2 + 2 Al(NO3)3
C4H8O2 + NaOH = NaC4H6O + CO2 + H2O =>
21 C4H8O2 + 20 NaOH = 20 NaC4H6O + 4 CO2 + 34 H2O
Al + Zn(CO3)2 = Zn + Al(CO3)3 =>
2 Al + 3 Zn(CO3)2 = 3 Zn + 2 Al(CO3)3
K2MnO4 + Na2SO3 + H2O = MnO2 + K2SO4 + NaOH =>
K2MnO4 + Na2SO3 + H2O = MnO2 + K2SO4 + 2 NaOH
HNO3 + Ca(OH)2 = CaNO3 + H2O(OH) =>
HNO3 + Ca(OH)2 = CaNO3 + H2O(OH)
CaO2 = CaO + O2 =>
2 CaO2 = 2 CaO + O2
C9H13 + O2 = CO2 + H2O =>
4 C9H13 + 49 O2 = 36 CO2 + 26 H2O
(C15H31COO)3C3H5 + KOH = C15H31COOK + C3H5(OH)3 =>
(C15H31COO)3C3H5 + 3 KOH = 3 C15H31COOK + C3H5(OH)3
Al(j) + HCl(aq) = AlCl3(aq) + H2(g) =>
2 Al(j) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2(g)
N2H4 + H2O2 = H2O + HNO3 =>
N2H4 + 7 H2O2 = 8 H2O + 2 HNO3
BaSO4 + Fe(OH)3 = Ba(HO)2 + Fe2(SO4)3 =>
3 BaSO4 + 2 Fe(OH)3 = 3 Ba(HO)2 + Fe2(SO4)3
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