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2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
K2Te + K2TeO4 + H2SO4 = Te + K2SO4 + H2O =>
3 K2Te + K2TeO4 + 4 H2SO4 = 4 Te + 4 K2SO4 + 4 H2O
KMnO4 + C6H12O6 + H2SO4 = MnSO4 + CO2 + K2SO4 + H2O =>
24 KMnO4 + 5 C6H12O6 + 36 H2SO4 = 24 MnSO4 + 30 CO2 + 12 K2SO4 + 66 H2O
Al + KMnO4 + H2SO4 = Al2(SO4)3 + K2SO4 + MnSO4 + H2O =>
10 Al + 6 KMnO4 + 24 H2SO4 = 5 Al2(SO4)3 + 3 K2SO4 + 6 MnSO4 + 24 H2O
Hg2(NO3)2(aq) + NaBr(aq) = Hg2Br2(s) + NaNO3(aq) =>
Hg2(NO3)2(aq) + 2 NaBr(aq) = Hg2Br2(s) + 2 NaNO3(aq)
Na3AsO4 + KI + HCl = Na3AsO3 + I2 + KCl + H2O =>
Na3AsO4 + 2 KI + 2 HCl = Na3AsO3 + I2 + 2 KCl + H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Hg2(NO3)2(aq) + NaBr(aq) = Hg2Br2(s) + NaNO3(aq) =>
Hg2(NO3)2(aq) + 2 NaBr(aq) = Hg2Br2(s) + 2 NaNO3(aq)
K2S + Fe(OH)3 = KOH + Fe2S3 =>
3 K2S + 2 Fe(OH)3 = 6 KOH + Fe2S3
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
[Cu(NO3)2]3H2O + PPH3 + CH3CH2OH = [Cu(PPH3)2(NO3)] + HNO3 + CH3CH2COOH + H2O =>
8[Cu(NO3)2]3H2O + 48 PPH3 + 9 CH3CH2OH = 24[Cu(PPH3)2(NO3)] + 24 HNO3 + 6 CH3CH2COOH + 5 H2O
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
Al + HCl = AlCl + H2 =>
2 Al + 2 HCl = 2 AlCl + H2
CuS + HNO3 = Cu(NO3)2 + S + NO + H2O =>
3 CuS + 8 HNO3 = 3 Cu(NO3)2 + 3 S + 2 NO + 4 H2O
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
C18H34O2 + O2 = CO2 + H2O =>
2 C18H34O2 + 51 O2 = 36 CO2 + 34 H2O
CaCO3 + CH3COOH = Ca(CH3COO)2 + CO2 + H2O =>
CaCO3 + 2 CH3COOH = Ca(CH3COO)2 + CO2 + H2O
Al + HCl = AlCl + H2 =>
2 Al + 2 HCl = 2 AlCl + H2
[Cu(NO3)2]3H2O + PPH3 + CH3CH2OH = [Cu(PPH3)2(NO3)] + HNO3 + CH3CH2COOH + H2O =>
8[Cu(NO3)2]3H2O + 48 PPH3 + 9 CH3CH2OH = 24[Cu(PPH3)2(NO3)] + 24 HNO3 + 6 CH3CH2COOH + 5 H2O
Ag + I = AgI =>
Ag + I = AgI
Mg(s) + HC2H3O2(aq) = Mg(C2H3O2)2(aq) + H2(g) =>
Mg(s) + 2 HC2H3O2(aq) = Mg(C2H3O2)2(aq) + H2(g)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
I2O5 + CO = CO2 + I2 =>
I2O5 + 5 CO = 5 CO2 + I2
Al + NiCl2 = AlCl3 + Ni =>
2 Al + 3 NiCl2 = 2 AlCl3 + 3 Ni
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
Na2 + CO3 + HCl = NaCl + H2O + CO2 =>
Na2 + CO3 + 2 HCl = 2 NaCl + H2O + CO2
Cu(PPh3)2(NO3) + NaBH4 = Cu(PPh3)2(BH4) + NaNO3 =>
Cu(PPh3)2(NO3) + NaBH4 = Cu(PPh3)2(BH4) + NaNO3
Na3PO4 + CaCl2 = NaCl + Ca3(PO4)2 =>
2 Na3PO4 + 3 CaCl2 = 6 NaCl + Ca3(PO4)2
(NH4)2SO4 + KOH = NH3 + K2SO4 + H2O =>
(NH4)2SO4 + 2 KOH = 2 NH3 + K2SO4 + 2 H2O
LiNO3(s) = LiNO2(s) + O2(g) =>
2 LiNO3(s) = 2 LiNO2(s) + O2(g)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Cr2(SO4)3 + H2O2 + NaOH = Na2CrO4 + H2O + Na2SO4 =>
Cr2(SO4)3 + 3 H2O2 + 10 NaOH = 2 Na2CrO4 + 8 H2O + 3 Na2SO4
CrCl3 + F2 = CrF + Cl =>
2 CrCl3 + F2 = 2 CrF + 6 Cl
Pb(s) + O2(g) = PbO(s) =>
2 Pb(s) + O2(g) = 2 PbO(s)
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Na2SO3 + Cl2 + NaOH = Na2SO4 + NaCl + H2O =>
Na2SO3 + Cl2 + 2 NaOH = Na2SO4 + 2 NaCl + H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Cu2O + H2SO4 = CuO + SO2 + H2O =>
Cu2O + H2SO4 = 2 CuO + SO2 + H2O
HCl + KMnO4 = KCl + MnCl2 + Cl2 + H2O =>
16 HCl + 2 KMnO4 = 2 KCl + 2 MnCl2 + 5 Cl2 + 8 H2O
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Cu + H2SO4 = CuSO4 + SO2 + H2O =>
Cu + 2 H2SO4 = CuSO4 + SO2 + 2 H2O
NaCl + Ca(OH)2 = CaCl2 + NaOH =>
2 NaCl + Ca(OH)2 = CaCl2 + 2 NaOH
BaS + PtF2 = BaF2 + PtS =>
BaS + PtF2 = BaF2 + PtS
Fe(CN)3 + NaCl = NaCN + FeCl3 =>
Fe(CN)3 + 3 NaCl = 3 NaCN + FeCl3
KClO3 + HCl = Cl2 + KCl + H2O =>
KClO3 + 6 HCl = 3 Cl2 + KCl + 3 H2O
Fe(OH)2 + O2 + H2O = Fe(OH)3 =>
4 Fe(OH)2 + O2 + 2 H2O = 4 Fe(OH)3
AsF3 + C2Cl6 = AsCl3 + C2Cl2F4 =>
4 AsF3 + 3 C2Cl6 = 4 AsCl3 + 3 C2Cl2F4
C12H22O11 + H2SO4 = CO2 + SO2 + H2O =>
C12H22O11 + 24 H2SO4 = 12 CO2 + 24 SO2 + 35 H2O
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