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4 KMnO4 = 2 K2O + 4 MnO + 5 O2
Na3PO4 + Ca(NO3)2 = Ca3(PO4)2 + NaNO3 =>
2 Na3PO4 + 3 Ca(NO3)2 = Ca3(PO4)2 + 6 NaNO3
C + Cr2O3 = CO2 + Cr =>
3 C + 2 Cr2O3 = 3 CO2 + 4 Cr
K2O(s) + HCl(aq) = KCl + H2O =>
K2O(s) + 2 HCl(aq) = 2 KCl + H2O
Te + HNO3 = TeO2 + H2O + NO2 =>
Te + 4 HNO3 = TeO2 + 2 H2O + 4 NO2
H2O + CO2 + Al2O3 = Al(HCO3)3 =>
3 H2O + 6 CO2 + Al2O3 = 2 Al(HCO3)3
Ca + O = CaO =>
Ca + O = CaO
NA + Cl2 = NACl2 =>
NA + Cl2 = NACl2
Al + ZnBr2 = AlBr3 + Zn =>
2 Al + 3 ZnBr2 = 2 AlBr3 + 3 Zn
NH4Cl + NaOH = NH3 + H2O + NaCl =>
NH4Cl + NaOH = NH3 + H2O + NaCl
NA + Cl2 = NACl =>
2 NA + Cl2 = 2 NACl
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
C2H2Cl4 + Ca(OH)2 = C2HCl3 + CaCl2 + H2O =>
2 C2H2Cl4 + Ca(OH)2 = 2 C2HCl3 + CaCl2 + 2 H2O
HMnO4 + Mg = Mg(MnO4) + H2 =>
2 HMnO4 + 2 Mg = 2 Mg(MnO4) + H2
NH4Cl + NaOH = NH4OH + NaCl =>
NH4Cl + NaOH = NH4OH + NaCl
HMnO4 + Mg = Mg(MnO4) + H2 =>
2 HMnO4 + 2 Mg = 2 Mg(MnO4) + H2
P + S = P2S3 =>
2 P + 3 S = P2S3
Fe + H2SO4 = H2 + FeSO4 =>
Fe + H2SO4 = H2 + FeSO4
H3PO4(aq) + NaOH(aq) = Na3PO4(aq) + H2O(l) =>
H3PO4(aq) + 3 NaOH(aq) = Na3PO4(aq) + 3 H2O(l)
Mg4Si6O16H4 + H + H2O = H4SiO4 + Mg =>
Mg4Si6O16H4 + 4 H + 8 H2O = 6 H4SiO4 + 4 Mg
S + O2 = SO2 =>
S + O2 = SO2
CO2 + C = CO =>
CO2 + C = 2 CO
C + H2SO4 = CO2 + SO2 + H20 =>
10 C + 10 H2SO4 = 10 CO2 + 10 SO2 + H20
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
H2O2 + KMnO4 = MnO2 + KOH + O2 =>
H2O2 + 2 KMnO4 = 2 MnO2 + 2 KOH + 2 O2
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Fe + H2SO4 = H2 + Fe2(SO4)3 =>
2 Fe + 3 H2SO4 = 3 H2 + Fe2(SO4)3
N2 + O2 = NO =>
N2 + O2 = 2 NO
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
Na + (NH2)2CO = NaCN + NH3 + NaOH =>
2 Na + (NH2)2CO = NaCN + NH3 + NaOH
K + KNO3 = N2 + K2O =>
10 K + 2 KNO3 = N2 + 6 K2O
Pb(NO3)2 = PbO + NO + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO + 3 O2
C2H2(acetylene) + O2(oxygen) = CO2(carbondioxide) + H20(water) =>
10 C2H2(acetylene) + 20 O2(oxygen) = 20 CO2(carbondioxide) + H20(water)
Mg4Si6O16H2 + H + H2O = H4SiO4 + Mg =>
Mg4Si6O16H2 + 6 H + 8 H2O = 6 H4SiO4 + 4 Mg
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
HNO3 + CaO = Ca(NO3)2 + H2O =>
2 HNO3 + CaO = Ca(NO3)2 + H2O
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Cr(OH)3 = Cr2O3 + H2O =>
2 Cr(OH)3 = Cr2O3 + 3 H2O
O3 = O2 =>
2 O3 = 3 O2
Cu(No3)2 + NH4OH = Cu(OH)2 + NH4No3 =>
Cu(No3)2 + 2 NH4OH = Cu(OH)2 + 2 NH4No3
FeSO4 + NaCN = (Fe(CN)6)SO4 + Na =>
FeSO4 + 6 NaCN = (Fe(CN)6)SO4 + 6 Na
NO + CrCl2 + HCl = N2 + CrCl3 + H2O =>
2 NO + 4 CrCl2 + 4 HCl = N2 + 4 CrCl3 + 2 H2O
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
CuO + Al = Al2O3 + Cu =>
3 CuO + 2 Al = Al2O3 + 3 Cu
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
HCLO3 + SO2 + H2O = HCL + H2SO4 =>
HCLO3 + 3 SO2 + 3 H2O = HCL + 3 H2SO4
Li + Cl2 = LiCl =>
2 Li + Cl2 = 2 LiCl
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
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