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2 P2 + 3 O2 = 2 P2O3
FeBr2 + Br2 = Fe3Br8 =>
3 FeBr2 + Br2 = Fe3Br8
Al + HClO = AlClO + H =>
Al + HClO = AlClO + H
Zn + Ni(NO3)2 = Zn(NO3)2 + Ni =>
Zn + Ni(NO3)2 = Zn(NO3)2 + Ni
C3H6O2 + NaOH = C3H5NaO2 + H2O =>
C3H6O2 + NaOH = C3H5NaO2 + H2O
Ca + HNO3 = Ca(NO3)2 + NO + H2O =>
3 Ca + 8 HNO3 = 3 Ca(NO3)2 + 2 NO + 4 H2O
Cu + NH4OH + O2 = [Cu(NH3)2](OH)2 + H2O =>
2 Cu + 4 NH4OH + O2 = 2[Cu(NH3)2](OH)2 + 2 H2O
C2H6(l) + O2(g) = CO2 + H2O =>
2 C2H6(l) + 7 O2(g) = 4 CO2 + 6 H2O
BaS + H2O = BaO + H2S =>
BaS + H2O = BaO + H2S
O3 + I{-} + H2O = I2 + OH{-} =>
O3 + 6 I{-} + 3 H2O = 3 I2 + 6 OH{-}
Mn3(PO4)4 + K2CO3 = Mn(CO3)2 + K3PO4 =>
Mn3(PO4)4 + 6 K2CO3 = 3 Mn(CO3)2 + 4 K3PO4
Ti + H2SO4 = Ti2(SO4)3 + SO2 + H2O =>
2 Ti + 6 H2SO4 = Ti2(SO4)3 + 3 SO2 + 6 H2O
Cl2 + MgBr2 = Br + MgCl2 =>
Cl2 + MgBr2 = 2 Br + MgCl2
NiSO4 + KOH + H2O2 = Ni(OH)3 + K2SO4 =>
2 NiSO4 + 4 KOH + H2O2 = 2 Ni(OH)3 + 2 K2SO4
HCl(g) + NH4OH(g) = H2O(l) + NH4Cl(s) =>
HCl(g) + NH4OH(g) = H2O(l) + NH4Cl(s)
BiCl3 + HNO3 = Bi(NO3)5 + NO + HCl + H2O =>
3 BiCl3 + 17 HNO3 = 3 Bi(NO3)5 + 2 NO + 9 HCl + 4 H2O
Al + Li2O = AlO + Li =>
Al + Li2O = AlO + 2 Li
Al2O3 + C = Al + CO =>
Al2O3 + 3 C = 2 Al + 3 CO
SO3(g) + H2O = H2SO4(l) =>
SO3(g) + H2O = H2SO4(l)
Na3AsO3 + CuSO4 = Cu3(AsO3)2 + Na2SO4 =>
2 Na3AsO3 + 3 CuSO4 = Cu3(AsO3)2 + 3 Na2SO4
N2(s) + O2(g) = NO2(s) =>
N2(s) + 2 O2(g) = 2 NO2(s)
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
Ni + I = NiI3 =>
Ni + 3 I = NiI3
HCl + CH3COOC2H5 = CH3COCl + C2H5OH =>
HCl + CH3COOC2H5 = CH3COCl + C2H5OH
PbSO4(s) = PbSO3(s) + O2(g) =>
2 PbSO4(s) = 2 PbSO3(s) + O2(g)
(NH4)2CO3 + LiOH = Li2CO3 + NH3 + H2O =>
(NH4)2CO3 + 2 LiOH = Li2CO3 + 2 NH3 + 2 H2O
H3Po4(aq) + KOH(s) = H2O(l) + K3Po4(aq) =>
H3Po4(aq) + 3 KOH(s) = 3 H2O(l) + K3Po4(aq)
SO3 = S + O2 =>
2 SO3 = 2 S + 3 O2
Cl + NaS = NaCl + S =>
Cl + NaS = NaCl + S
HCI(aq) + NaOH(aq) = NaCI(aq) + H2O(l) =>
HCI(aq) + NaOH(aq) = NaCI(aq) + H2O(l)
KNO3(aq) + Na2CO3(aq) = KCO3(aq) + Na2NO3(aq) =>
KNO3(aq) + Na2CO3(aq) = KCO3(aq) + Na2NO3(aq)
Br{-} = Br2 + {-} =>
2 Br{-} = Br2 + 2e
BaC4H6O4 + Na3PO4 = Ba3(PO4)2 + NaC2H3O2 =>
3 BaC4H6O4 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaC2H3O2
C2H2 + KMnO4 = K2C2O4 + MnO2 + KOH + H2O =>
3 C2H2 + 8 KMnO4 = 3 K2C2O4 + 8 MnO2 + 2 KOH + 2 H2O
KNO3(aq) + BaCl2(aq) = KCl + Ba(NO3)2 =>
2 KNO3(aq) + BaCl2(aq) = 2 KCl + Ba(NO3)2
MgS + H2O2 = MgSO4 + H2O =>
MgS + 4 H2O2 = MgSO4 + 4 H2O
H2SO4 + CH3COOH = (CH3COO)2SO4 + H2 =>
H2SO4 + 2 CH3COOH = (CH3COO)2SO4 + 2 H2
C4H4O4 + NaOH = C4H2Na2O4 + H2O =>
C4H4O4 + 2 NaOH = C4H2Na2O4 + 2 H2O
Fe(s) + CuNO3 = Cu(s) + Fe(NO3)2(aq) =>
Fe(s) + 2 CuNO3 = 2 Cu(s) + Fe(NO3)2(aq)
FeS2 + H2O + O2 = Fe2O3 + H2SO4 =>
4 FeS2 + 8 H2O + 15 O2 = 2 Fe2O3 + 8 H2SO4
Zn + KNO3 + NaOH + H2O = Na2[Zn(OH)4] + KOH + NH3 =>
4 Zn + KNO3 + 8 NaOH + 6 H2O = 4 Na2[Zn(OH)4] + KOH + NH3
Al2O3 + H2 = Al + H2O2 =>
2 Al2O3 + 3 H2 = 4 Al + 3 H2O2
C7H8 + O = C7H6O2 + H2O =>
C7H8 + 3 O = C7H6O2 + H2O
CuS + HNO3 = Cu(NO3)2 + H2SO4 + NO2 + H2O =>
CuS + 10 HNO3 = Cu(NO3)2 + H2SO4 + 8 NO2 + 4 H2O
Fe + O + H2O = Fe(OH)2 =>
Fe + O + H2O = Fe(OH)2
Br2 + H2O + SO2 = HBr + H2SO4 =>
Br2 + 2 H2O + SO2 = 2 HBr + H2SO4
S3 = S =>
S3 = 3 S
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
Li2SO4 + Ca(OH)2 = CaSO4 + LiOH =>
Li2SO4 + Ca(OH)2 = CaSO4 + 2 LiOH
P + S = P4S3 =>
4 P + 3 S = P4S3
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