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2 Al + 3 SeO = Al2O3 + 3 Se
P4 + C2 = PC3 =>
P4 + 6 C2 = 4 PC3
CuO + ZnO = CuZn + O =>
CuO + ZnO = CuZn + 2 O
H2C2O4 + MnO4 + H{+} = CO2 + Mn{+2} + H2O =>
3 H2C2O4 + MnO4 + 2 H{+} = 6 CO2 + Mn{+2} + 4 H2O
K2CrO4 + AgN = Ag2CrO4 + KN =>
K2CrO4 + 2 AgN = Ag2CrO4 + 2 KN
Sr(NO3)2 + Na2CO3 = Na2(NO3)2 + SrCO3 =>
Sr(NO3)2 + Na2CO3 = Na2(NO3)2 + SrCO3
FeO + CO2 = Fe2O3 + CO =>
2 FeO + CO2 = Fe2O3 + CO
Cr3Cl3 + NaCl3 + NaOH = Na2CrO4 + NaCl + H2O =>
2 Cr3Cl3 + 15 NaCl3 + 48 NaOH = 6 Na2CrO4 + 51 NaCl + 24 H2O
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
CaCl2 + KHCO3 = Ca(HCO3)2 + KCl =>
CaCl2 + 2 KHCO3 = Ca(HCO3)2 + 2 KCl
Pb2(CO3)2 = Pb + O + C =>
Pb2(CO3)2 = 2 Pb + 6 O + 2 C
K2CO3 + Cu2SO4 = K2SO4 + Cu2CO3 =>
K2CO3 + Cu2SO4 = K2SO4 + Cu2CO3
Cu + H2O = Cu(OH)2 + H2 =>
Cu + 2 H2O = Cu(OH)2 + H2
CaCl2 + H2SO4 = CaSO4 + HCl =>
CaCl2 + H2SO4 = CaSO4 + 2 HCl
HXeO4{-} = XeO6{4-} + Xe + O2 + H{+} =>
2 HXeO4{-} = XeO6{4-} + Xe + O2 + 2 H{+}
Sb2O7 + C = SbO3 + CO3 =>
3 Sb2O7 + C = 6 SbO3 + CO3
Na2S(aq) + HCl(aq) = NaCl + H2 + S =>
Na2S(aq) + 2 HCl(aq) = 2 NaCl + H2 + S
CaF2 + H2SO4 = CaSO4 + HF =>
CaF2 + H2SO4 = CaSO4 + 2 HF
MnO2 + NH4Cl + Zn = Mn2O3 + NH3 + ZnCl2 + H2O =>
2 MnO2 + 2 NH4Cl + Zn = Mn2O3 + 2 NH3 + ZnCl2 + H2O
Br + Al(NO3)3 = AlBr3 + NO2 + O2 =>
6 Br + 2 Al(NO3)3 = 2 AlBr3 + 6 NO2 + 3 O2
AgI + Na2S = Ag2S + NaI =>
2 AgI + Na2S = Ag2S + 2 NaI
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CuSO4 + Fe3 = Fe2SO4 + Cu =>
3 CuSO4 + 2 Fe3 = 3 Fe2SO4 + 3 Cu
C3H6O + Cu(OH)2 + NaOH = HCOONa + Cu2O + H2O =>
C3H6O + 10 Cu(OH)2 + 3 NaOH = 3 HCOONa + 5 Cu2O + 13 H2O
NaCl + SO2 + H2O + O2 = Na2SO4 + HCl =>
4 NaCl + 2 SO2 + 2 H2O + O2 = 2 Na2SO4 + 4 HCl
NaHCO3 + C2H4O2 = CO2 + H2O + NaC2H3O2 =>
NaHCO3 + C2H4O2 = CO2 + H2O + NaC2H3O2
MgSO4 + BaCl2 = Ba(SO4)2 + MgCl =>
2 MgSO4 + BaCl2 = Ba(SO4)2 + 2 MgCl
CaO + SO4 + H2O = CaSO4 + H2O2 =>
CaO + SO4 + H2O = CaSO4 + H2O2
CaCO3 + CH3COO3H = CaCH3COO + H2O + CO2 =>
4 CaCO3 + 9 CH3COO3H = 4 CaCH3COO + 12 H2O + 14 CO2
Na2Cr2O7 + C = Cr2O3 + Na2CO3 + CO2 =>
2 Na2Cr2O7 + 3 C = 2 Cr2O3 + 2 Na2CO3 + CO2
Mg2Br + Cl = Mg2Cl + Br =>
Mg2Br + Cl = Mg2Cl + Br
P + Cl2 = PCl3 =>
2 P + 3 Cl2 = 2 PCl3
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Cl2 + NiBr2 = Ni + Cl2Br2 =>
Cl2 + NiBr2 = Ni + Cl2Br2
KSO4 + H2 = H2SO4 + K =>
KSO4 + H2 = H2SO4 + K
Br + BaCl2 = BrCl3 + Ba =>
2 Br + 3 BaCl2 = 2 BrCl3 + 3 Ba
MnCl2 + H2O + KCl + Cl2 = HCl + KMnO4 =>
2 MnCl2 + 8 H2O + 2 KCl + 5 Cl2 = 16 HCl + 2 KMnO4
C + Co(BO2) = Co + B2O3 + CO =>
C + 2 Co(BO2) = 2 Co + B2O3 + CO
Na2S(aq) + HCl(aq) = NaCl + H2 + S =>
Na2S(aq) + 2 HCl(aq) = 2 NaCl + H2 + S
ArNO3 + NaCl = ArNO3NaCl =>
ArNO3 + NaCl = ArNO3NaCl
HCl + NaOH = OHH + NaCl =>
HCl + NaOH = OHH + NaCl
AlCl2 + KNO3 = AlNO3 + KCl2 =>
AlCl2 + KNO3 = AlNO3 + KCl2
Ag2S = Ag + S8 =>
8 Ag2S = 16 Ag + S8
P + Cl2 = PCl5 =>
2 P + 5 Cl2 = 2 PCl5
CaO(aq) + H2O(l) = Ca(OH)2(aq) =>
CaO(aq) + H2O(l) = Ca(OH)2(aq)
Cr2O7{-2} + C2O2{-2} + H{+} = Cr{3+} + CO2 + H2O =>
Cr2O7{-2} + C2O2{-2} + 10 H{+} = 2 Cr{3+} + 2 CO2 + 5 H2O
Pb(NO3)2 + K2CO3 = PbCO3 + KNO3 =>
Pb(NO3)2 + K2CO3 = PbCO3 + 2 KNO3
Ca3(PO4)2 + CH3COOH = Ca(CH3COO)2 + H3PO4 =>
Ca3(PO4)2 + 6 CH3COOH = 3 Ca(CH3COO)2 + 2 H3PO4
KClO3 + P4 = P4O10 + KCl =>
10 KClO3 + 3 P4 = 3 P4O10 + 10 KCl
C12H23 + O2 = CO2 + H2O =>
4 C12H23 + 71 O2 = 48 CO2 + 46 H2O
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