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PBr3 = 3 Br + P
Sn2{+} + Hg2 = Sn4{+} + Hg2{2+} =>
4 Sn2{+} + Hg2 = 2 Sn4{+} + Hg2{2+}
E = E2 =>
2 E = E2
HNO3*NaHCO3 = NaNO3 + H2CO3 =>
HNO3*NaHCO3 = NaNO3 + H2CO3
CHOOC + NaOH = CH3OH + CO2Na =>
5 CHOOC + 7 NaOH = 3 CH3OH + 7 CO2Na
NH3 + NCl = NH4Cl + N2 =>
4 NH3 + 3 NCl = 3 NH4Cl + 2 N2
Bi2(CO3)3 = Bi2O3(s) + CO2(g) =>
Bi2(CO3)3 = Bi2O3(s) + 3 CO2(g)
LiBr + Co(SO3)2 = Li(SO3)2 + CoBr =>
LiBr + Co(SO3)2 = Li(SO3)2 + CoBr
CH4N2O + O2 = CO2 + H2O + N2 =>
2 CH4N2O + 3 O2 = 2 CO2 + 4 H2O + 2 N2
Pb + Ag2S = PbS + Ag =>
Pb + Ag2S = PbS + 2 Ag
Al + Pb(NO3)2 = Al(NO3)3 + Pb =>
2 Al + 3 Pb(NO3)2 = 2 Al(NO3)3 + 3 Pb
C6H7N + O2 + OH{-} = CO3{-2} + H2O + N2 =>
4 C6H7N + 31 O2 + 48 OH{-} = 24 CO3{-2} + 38 H2O + 2 N2
Sn(s) + HCl(aq) = SnCl2(aq) + H2(g) =>
Sn(s) + 2 HCl(aq) = SnCl2(aq) + H2(g)
CaSO3 + KOH = Ca(OH)2 + K2SO3 =>
CaSO3 + 2 KOH = Ca(OH)2 + K2SO3
Na2O + Mg(C2H3O2)2 = NaC2H3O2 + MgO =>
Na2O + Mg(C2H3O2)2 = 2 NaC2H3O2 + MgO
Fe{3+} + H2O = [FeOH]{2+} + H{+} =>
Fe{3+} + H2O = [FeOH]{2+} + H{+}
CH4(OH)2 + O2 = CO2 + H2O =>
2 CH4(OH)2 + 3 O2 = 2 CO2 + 6 H2O
Ca3(PO4)2CaF2 + H2SO4 + H2O = H3PO4 + CaSO4*2H2O + HF =>
Ca3(PO4)2CaF2 + 4 H2SO4 + 8 H2O = 2 H3PO4 + 4 CaSO4*2H2O + 2 HF
K2CrO4 + Fe2SO4 = K2SO4 + Fe2CrO4 =>
K2CrO4 + Fe2SO4 = K2SO4 + Fe2CrO4
Ca(NO3)2*3H2O + LaC2 = Ca(NO3)2 + La(OH)2 + C2H2 =>
2 Ca(NO3)2*3H2O + 3 LaC2 = 2 Ca(NO3)2 + 3 La(OH)2 + 3 C2H2
KOH + O3 = KO2 + H2 =>
6 KOH + 2 O3 = 6 KO2 + 3 H2
Al2S + H2O = AlOH + H2S =>
Al2S + 2 H2O = 2 AlOH + H2S
Ca5(PO4)3OH + H{+} = Ca{2+} + H2PO4{-} + H2O =>
Ca5(PO4)3OH + 7 H{+} = 5 Ca{2+} + 3 H2PO4{-} + H2O
Sr + H2O = Sr2H2O =>
2 Sr + H2O = Sr2H2O
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
Na + CI = Na*CI =>
Na + CI = Na*CI
C2H2 + Na + NH3 = C4H6 + NaNH2 =>
2 C2H2 + 2 Na + 2 NH3 = C4H6 + 2 NaNH2
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
CuO3 + SiO = Cu + SiO2 =>
CuO3 + 3 SiO = Cu + 3 SiO2
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
AlPO4 + CaCl2 = AlCl3 + Ca3(PO4)2 =>
2 AlPO4 + 3 CaCl2 = 2 AlCl3 + Ca3(PO4)2
C12H22O3 + O2 = CO2 + H2 =>
2 C12H22O3 + 21 O2 = 24 CO2 + 22 H2
MnO4 + IO3 = MnO2 + IO4 =>
MnO4 + 2 IO3 = MnO2 + 2 IO4
Cu + HCl(aq) = CuCl + H =>
Cu + HCl(aq) = CuCl + H
C12H12O10 + O2 = CO2 + H2O =>
C12H12O10 + 10 O2 = 12 CO2 + 6 H2O
C3H5Cl + O2 = CO2 + H2O + Cl2 =>
4 C3H5Cl + 17 O2 = 12 CO2 + 10 H2O + 2 Cl2
NH4NO3 + C(OH)2 = C(NO3)2 + NH3 + H2O =>
2 NH4NO3 + C(OH)2 = C(NO3)2 + 2 NH3 + 2 H2O
Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O = Fe(SO4) + K2Cr2O7 + H2SO4 =>
3 Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + 7 H2O = 6 Fe(SO4) + K2Cr2O7 + 7 H2SO4
C4H9MgBr + C2H4O + H2SO4 = C6H14O + MgBrSO4 + H2O =>
6 C4H9MgBr + 9 C2H4O + 6 H2SO4 = 7 C6H14O + 6 MgBrSO4 + 2 H2O
Pb(NO{3+}){2+} + NaOH = Pb(OH){2+} + NaNO{3+} =>
Pb(NO{3+}){2+} + NaOH = Pb(OH){2+} + NaNO{3+}
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NaOH + Cd(NO3)2 = Cd(OH)2 + NaNO3 =>
2 NaOH + Cd(NO3)2 = Cd(OH)2 + 2 NaNO3
NH4NO2 = N(g) + H2O(l) =>
NH4NO2 = 2 N(g) + 2 H2O(l)
HCO3 + Mg = MgCO3 + H2 =>
2 HCO3 + 2 Mg = 2 MgCO3 + H2
Y + Mn + Ge + Sn = Y2Mn6Ge10Sn60 =>
2 Y + 6 Mn + 10 Ge + 60 Sn = Y2Mn6Ge10Sn60
Mn + Al4C3 = Al + Mn4C7 =>
12 Mn + 7 Al4C3 = 28 Al + 3 Mn4C7
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
CaC2 + HNO3 = Ca(NO3)2 + C2H2 =>
CaC2 + 2 HNO3 = Ca(NO3)2 + C2H2
CaO + CuFe2O4 + O2 + Ca3Al2Si3O12 + Ca3TiFeSi3O12 = Ca3Fe2(SiO4)3 + Cu3Al2(SiO4)3 + CaTiO5 =>
6 CaO + 6 CuFe2O4 + 15 O2 + 2 Ca3Al2Si3O12 + 12 Ca3TiFeSi3O12 = 12 Ca3Fe2(SiO4)3 + 2 Cu3Al2(SiO4)3 + 12 CaTiO5
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