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2 NaBr + Cl2 = 2 ClBr + Na2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
NaBr(aq) + Pb(C2H3O2)2(aq) = PbBr2(s) + NaC2H3O2(aq) =>
2 NaBr(aq) + Pb(C2H3O2)2(aq) = PbBr2(s) + 2 NaC2H3O2(aq)
FeSO4 + O2 = Fe2O3 + SO3 =>
4 FeSO4 + O2 = 2 Fe2O3 + 4 SO3
Cr(NO3)2 + NaOH = Cr(OH)2 + Na(NO3) =>
Cr(NO3)2 + 2 NaOH = Cr(OH)2 + 2 Na(NO3)
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Na2SO4 + Sr(OH)2 = Na2(OH)2 + SrSO4 =>
Na2SO4 + Sr(OH)2 = Na2(OH)2 + SrSO4
KTb3F10 + Nb + O2 = NbF5 + KF + Tb2O3 =>
20 KTb3F10 + 36 Nb + 45 O2 = 36 NbF5 + 20 KF + 30 Tb2O3
MaO2 + HCl = MaCl2 + Cl2 + H2O =>
MaO2 + 4 HCl = MaCl2 + Cl2 + 2 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CH3COOH + MgCO3 = Mg(CH3COOH)2 + CO3 =>
2 CH3COOH + MgCO3 = Mg(CH3COOH)2 + CO3
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
H2O + AgI = HI + Ag2O =>
H2O + 2 AgI = 2 HI + Ag2O
NaCl(aq) = Na(s) + Cl2(g) =>
2 NaCl(aq) = 2 Na(s) + Cl2(g)
Cu(OH)2 + NHO3 = Cu(NO3)2 + H2O =>
Cu(OH)2 + 2 NHO3 = Cu(NO3)2 + 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
Ni(NO3)2 + CaCl2 = NiCl2 + Ca(NO3)2 =>
Ni(NO3)2 + CaCl2 = NiCl2 + Ca(NO3)2
MnO2 + NaCl + H2SO4 = MnSO4 + Na2SO4 + H2O + Cl2 =>
MnO2 + 2 NaCl + 2 H2SO4 = MnSO4 + Na2SO4 + 2 H2O + Cl2
HCl(aq) + K2CO3(s) = KCl(aq) + CO2(g) + H2O(l) =>
2 HCl(aq) + K2CO3(s) = 2 KCl(aq) + CO2(g) + H2O(l)
KCl(aq) + Ag2SO4(aq) = AgCl(s) + K2SO4(aq) =>
2 KCl(aq) + Ag2SO4(aq) = 2 AgCl(s) + K2SO4(aq)
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
Fe3 = Fe2 =>
2 Fe3 = 3 Fe2
(CH3)3N + H2O = (CH4)3N + OH =>
(CH3)3N + 3 H2O = (CH4)3N + 3 OH
Cu + F = CuF2 =>
Cu + 2 F = CuF2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Ba(NO3)2 + NiSO4 = BaSO4 + Ni(NO3)2 =>
Ba(NO3)2 + NiSO4 = BaSO4 + Ni(NO3)2
Na3AsO3 + Na2CrO4 + H2O = CrAsO4 + NaOH + NaAsO4 =>
5 Na3AsO3 + 4 Na2CrO4 + 11 H2O = 4 CrAsO4 + 22 NaOH + NaAsO4
Cl(g) = Cl2 =>
2 Cl(g) = Cl2
MnO2 + Nb2O5 = Mn4Nb2O9 + O2 =>
4 MnO2 + Nb2O5 = Mn4Nb2O9 + 2 O2
KBrO3 + Sb{3+} = Br{-} + Sb{5+} + K + O2 =>
2 KBrO3 + Sb{3+} = 2 Br{-} + Sb{5+} + 2 K + 3 O2
U2 + KBr = Br2 + KU =>
U2 + 2 KBr = Br2 + 2 KU
Al + HCI = AlCI + H2 =>
2 Al + 2 HCI = 2 AlCI + H2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Pb + NaOH = Pb(OH) + Na =>
Pb + NaOH = Pb(OH) + Na
AgNO4(aq) + CuSO4(aq) = Cu(NO4)2(aq) + Ag2SO4(s) =>
2 AgNO4(aq) + CuSO4(aq) = Cu(NO4)2(aq) + Ag2SO4(s)
Mg + F2 = MgF2 =>
Mg + F2 = MgF2
Fe + PbSO4 = FeSO4 + Pb =>
Fe + PbSO4 = FeSO4 + Pb
H2S + HNO3 = H2SO4 + NO2 + H2O =>
H2S + 8 HNO3 = H2SO4 + 8 NO2 + 4 H2O
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
KMnO4 + NaCN + H2O = NaCNO + MnO2 + KOH =>
2 KMnO4 + 3 NaCN + H2O = 3 NaCNO + 2 MnO2 + 2 KOH
Cr2O2 + H2O = Cr + OH =>
Cr2O2 + 2 H2O = 2 Cr + 4 OH
Pb(OH)2 + HNO3 = Pb{2+} + NO3{-} + H2O =>
Pb(OH)2 + 2 HNO3 = Pb{2+} + 2 NO3{-} + 2 H2O
Nh4HCO3 + HNO3 = Nh4NO3 + H2O + CO2 =>
Nh4HCO3 + HNO3 = Nh4NO3 + H2O + CO2
Pb(C2H3O2)2 + Na2SO4 = PbSO4 + NaC2H3O2 =>
Pb(C2H3O2)2 + Na2SO4 = PbSO4 + 2 NaC2H3O2
NaC2H3O2 + BaCl2 = NaCl2 + BaC2H3O2 =>
NaC2H3O2 + BaCl2 = NaCl2 + BaC2H3O2
Ca3P2 + H2SO4 = CaSO4 + CaH4P2 =>
Ca3P2 + 2 H2SO4 = 2 CaSO4 + CaH4P2
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