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FeS2 + 3 O2 + 2 H2O = Fe + 2 H2SO4
KO2 = K2O + O2 =>
4 KO2 = 2 K2O + 3 O2
S + H2 = HS =>
2 S + H2 = 2 HS
HC2H3O2 + Ni = H2 + Ni(C2H3O2)2 =>
2 HC2H3O2 + Ni = H2 + Ni(C2H3O2)2
Pb(N3)2 + Cr(MnO4)2 = CrO3 + MnO2 + PbO2 + NO =>
Pb(N3)2 + 8 Cr(MnO4)2 = 8 CrO3 + 16 MnO2 + PbO2 + 6 NO
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
Zn(OH)2 + RbOH = Rb2ZnO2 + H2O =>
Zn(OH)2 + 2 RbOH = Rb2ZnO2 + 2 H2O
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Fe + Ag(NO3) = Fe(NO3)2 + Ag =>
Fe + 2 Ag(NO3) = Fe(NO3)2 + 2 Ag
[Cu(NH3)4]SO4*H2O + NaOH = Cu(OH)2 + Na2SO4 + NH3 + H2O =>
[Cu(NH3)4]SO4*H2O + 2 NaOH = Cu(OH)2 + Na2SO4 + 4 NH3 + H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
O2Si = SiO2 =>
O2Si = SiO2
Zn + Mg3N2 = ZnN + Mg =>
2 Zn + Mg3N2 = 2 ZnN + 3 Mg
Zn(OH)2 + RbOH = Rb2ZnO2 + H2O =>
Zn(OH)2 + 2 RbOH = Rb2ZnO2 + 2 H2O
Ca(OH)2(aq) + HBr(aq) = CaBr2(aq) + H2O(l) =>
Ca(OH)2(aq) + 2 HBr(aq) = CaBr2(aq) + 2 H2O(l)
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
HClO4 + K2CO3 = H2CO3 + KClO4 =>
2 HClO4 + K2CO3 = H2CO3 + 2 KClO4
N + MgCl2 = Mg3N2 + NCl3 =>
4 N + 3 MgCl2 = Mg3N2 + 2 NCl3
Br + Cu(NO3)2 = BrNO3 + Cu =>
2 Br + Cu(NO3)2 = 2 BrNO3 + Cu
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
Fe(Cl)3 + NaOH = NaCl + Fe(OH)3 =>
Fe(Cl)3 + 3 NaOH = 3 NaCl + Fe(OH)3
Na + S = Na2S =>
2 Na + S = Na2S
[(NH4)3PO4] = H3PO4 + NH3 =>
[(NH4)3PO4] = H3PO4 + 3 NH3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Na2O + H3PO4 = H2O + Na3PO4 =>
3 Na2O + 2 H3PO4 = 3 H2O + 2 Na3PO4
HC2H3O2 + PCl3 = C2H3OCl + H3PO3 =>
3 HC2H3O2 + PCl3 = 3 C2H3OCl + H3PO3
Ca(HCO3)2 + KOH = CaCO3 + K2CO3 + H2O =>
Ca(HCO3)2 + 2 KOH = CaCO3 + K2CO3 + 2 H2O
C50H102 + O2 = CO2 + H2O =>
2 C50H102 + 151 O2 = 100 CO2 + 102 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
KClO3 + Pb(NO3)2 = Pb(ClO3)2 + K(NO3) =>
2 KClO3 + Pb(NO3)2 = Pb(ClO3)2 + 2 K(NO3)
Cr2O3 + H2O = Cr(OH)3 =>
Cr2O3 + 3 H2O = 2 Cr(OH)3
Al2(CO3)3(s) = Al2O3(s) + CO2(g) =>
Al2(CO3)3(s) = Al2O3(s) + 3 CO2(g)
Ca(HCO3)2 = CaCO3 + H2O + CO2 =>
Ca(HCO3)2 = CaCO3 + H2O + CO2
CaO + Zn = ZnO + Ca =>
CaO + Zn = ZnO + Ca
C50H102 + O2 = CO2 + H2O =>
2 C50H102 + 151 O2 = 100 CO2 + 102 H2O
Te2 + H2O = TeO + H2 =>
Te2 + 2 H2O = 2 TeO + 2 H2
BaCO3 + H2SO4 = BaSO4 + H2CO3 =>
BaCO3 + H2SO4 = BaSO4 + H2CO3
Cl2 + KOH = KCl + KClO + H2O =>
Cl2 + 2 KOH = KCl + KClO + H2O
CN{-} + OCl{-} + OH{-} = CO3{2-} + N2 + Cl{-} + H2O =>
2 CN{-} + 5 OCl{-} + 2 OH{-} = 2 CO3{2-} + N2 + 5 Cl{-} + H2O
Ag + KNO3 = Ag(NO3)2 + K =>
Ag + 2 KNO3 = Ag(NO3)2 + 2 K
Zn(CN)2 + H3O{+} = Zn{2+} + HCN + H2O =>
Zn(CN)2 + 2 H3O{+} = Zn{2+} + 2 HCN + 2 H2O
MgNH4PO4 = Mg2 + P2O7 + NH3 + H2O =>
2 MgNH4PO4 = Mg2 + P2O7 + 2 NH3 + H2O
PB(NO3)2 = NO2 + O2 + PBO =>
2 PB(NO3)2 = 4 NO2 + O2 + 2 PBO
Mn(NO2)3 + BeCl2 = Be(NO2)2 + MnCl3 =>
2 Mn(NO2)3 + 3 BeCl2 = 3 Be(NO2)2 + 2 MnCl3
CaCl2 + Na2SO4 = Na2CaCl2SO4 =>
CaCl2 + Na2SO4 = Na2CaCl2SO4
C3H7OH + Na = C3H7ONa + H2 =>
2 C3H7OH + 2 Na = 2 C3H7ONa + H2
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