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P4O10 = P4 + 5 O2
NaBr + Pb2(SO4)2 = Na2(SO4) + Br2Pb =>
4 NaBr + Pb2(SO4)2 = 2 Na2(SO4) + 2 Br2Pb
O2 + MnO = Mn3O4 =>
O2 + 6 MnO = 2 Mn3O4
Na2MnO4 + CO2 + H2O = MnO2 + NaMnO4 + NaHCO3 =>
3 Na2MnO4 + 4 CO2 + 2 H2O = MnO2 + 2 NaMnO4 + 4 NaHCO3
Sn + Cu2C2O4 = SnC2O4 + Cu =>
Sn + Cu2C2O4 = SnC2O4 + 2 Cu
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
I2 + HNO3 = N2O3 + HIO3 + H2O =>
2 I2 + 10 HNO3 = 5 N2O3 + 4 HIO3 + 3 H2O
V2(SO4)3 + NaVO3 + H2SO4 = VOSO4 + Na2SO4 + H2O =>
V2(SO4)3 + 2 NaVO3 + 2 H2SO4 = 4 VOSO4 + Na2SO4 + 2 H2O
C4H9Br + C2H5ONa = C6H14O + NaBr =>
C4H9Br + C2H5ONa = C6H14O + NaBr
NaBr + H2SO4 + NaNO2 = Br2 + NO + H2O + Na2SO4 =>
2 NaBr + 2 H2SO4 + 2 NaNO2 = Br2 + 2 NO + 2 H2O + 2 Na2SO4
KMnO4 = KO2 + O + MnO =>
KMnO4 = KO2 + O + MnO
(H2SO4) + (NaOH) = (Na2SO4) + (H2O) =>
(H2SO4) + 2(NaOH) = (Na2SO4) + 2(H2O)
CN{-} + [Fe(OH)(H2O)5]{2+} = [Fe(OH)(H2O)5](CN)2 =>
2 CN{-} + [Fe(OH)(H2O)5]{2+} = [Fe(OH)(H2O)5](CN)2
C4H6 + O5 = CO2 + H2O =>
5 C4H6 + 11 O5 = 20 CO2 + 15 H2O
Sb + Cl2 = Sb(Cl3) =>
2 Sb + 3 Cl2 = 2 Sb(Cl3)
K3PO4 + Pb = Pb3(PO4)2 + K =>
2 K3PO4 + 3 Pb = Pb3(PO4)2 + 6 K
P4O10 = P4 + O3 =>
3 P4O10 = 3 P4 + 10 O3
BCl + MgS = BS + MgCl =>
BCl + MgS = BS + MgCl
NaNO3 + H2SO4 = NO2 + NaOH + HSO4 =>
NaNO3 + H2SO4 = NO2 + NaOH + HSO4
Zn + Cl3 = ZnCl3 =>
Zn + Cl3 = ZnCl3
MgN2 + H2O = Mg(OH)2 + NH =>
MgN2 + 2 H2O = Mg(OH)2 + 2 NH
Pb2{+} + CrO42{-} + H2O = PbO2 + Cr2O3 + H{+} =>
160 Pb2{+} + 14 CrO42{-} + 73 H2O = 320 PbO2 + 7 Cr2O3 + 146 H{+}
Al(NO3)3 + Li = LiNO3 + Al =>
Al(NO3)3 + 3 Li = 3 LiNO3 + Al
Ca(s) + H2O = Ca(OH)2 + H2 =>
Ca(s) + 2 H2O = Ca(OH)2 + H2
SrO + SO2 = SrO2 + SO =>
SrO + SO2 = SrO2 + SO
Fe + NO2{-} + OH{-} = FeO2{2-} + NH3 + H2O =>
3 Fe + NO2{-} + 5 OH{-} = 3 FeO2{2-} + NH3 + H2O
MnCl2 + NaCl = NaCl2 + MnCl =>
MnCl2 + NaCl = NaCl2 + MnCl
NaOH + H2O2 + H2S = Na2SO4 + H2O =>
2 NaOH + 4 H2O2 + H2S = Na2SO4 + 6 H2O
FOH + HCl = H2O + FCl =>
FOH + HCl = H2O + FCl
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
MgS + LiCO3 = MgCO3 + LiS =>
MgS + LiCO3 = MgCO3 + LiS
Ba + O2 = BaO =>
2 Ba + O2 = 2 BaO
C2H4 + HCl = C2H5Cl =>
C2H4 + HCl = C2H5Cl
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
KI(aq) + KIO3(aq) + H2SO4(aq) = K2SO4(aq) + H2O(l) + I2(g) =>
5 KI(aq) + KIO3(aq) + 3 H2SO4(aq) = 3 K2SO4(aq) + 3 H2O(l) + 3 I2(g)
C6H5ONa + HNO3 = C6H2OH(NO2)3 + NaNO3 + H2O =>
C6H5ONa + 4 HNO3 = C6H2OH(NO2)3 + NaNO3 + 3 H2O
H2SO4 + CuC2N2 = HCN + CuSO4 =>
H2SO4 + CuC2N2 = 2 HCN + CuSO4
Al + I2 = AlI3 =>
2 Al + 3 I2 = 2 AlI3
NaNO2 + KI + H2SO4 = NO + I2 + Na2SO4 + K2SO4 + H2O =>
2 NaNO2 + 2 KI + 2 H2SO4 = 2 NO + I2 + Na2SO4 + K2SO4 + 2 H2O
C(s) + SO2 + NH3 = C5H8S2(NH2)2 + NO2 =>
5 C(s) + 2 SO2 + 4 NH3 = C5H8S2(NH2)2 + 2 NO2
Br + LiOH = LiBr + LiBrO3 + H2O =>
6 Br + 6 LiOH = 5 LiBr + LiBrO3 + 3 H2O
Zn(NO3)2 + NH4OH = NH4NO3 + Zn(OH)2 =>
Zn(NO3)2 + 2 NH4OH = 2 NH4NO3 + Zn(OH)2
HCOOH + KOH = KCOOH + HOH =>
HCOOH + KOH = KCOOH + HOH
NaOH + H2SO4 = (H2O)2 + Na2SO4 =>
2 NaOH + H2SO4 = (H2O)2 + Na2SO4
NaNO3 + MgS = MgNO3 + NaS =>
NaNO3 + MgS = MgNO3 + NaS
C6H5CH3 + KMnO4 + KOH = C6H5COOK + K2MnO4 + H2O =>
C6H5CH3 + 6 KMnO4 + 7 KOH = C6H5COOK + 6 K2MnO4 + 5 H2O
Pb(NO3)2 + (NH4)2SO4 = Pb2(SO4)2 + (NH4)NO3 =>
2 Pb(NO3)2 + 2(NH4)2SO4 = Pb2(SO4)2 + 4(NH4)NO3
C6H6 + H2 = C6H14 =>
C6H6 + 4 H2 = C6H14
C3H3N + O2 = CO2 + H2O + N =>
4 C3H3N + 15 O2 = 12 CO2 + 6 H2O + 4 N
Mg + P4 = Mg3P2 =>
6 Mg + P4 = 2 Mg3P2
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