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Ca + 6 KBO3 = CaB6 + 6 K + 9 O2
Al + NiO = Al2O3 + Ni =>
2 Al + 3 NiO = Al2O3 + 3 Ni
[CH3NH3]2SO4 + H2O = (NH4)2SO4 + CH3OH =>
[CH3NH3]2SO4 + 2 H2O = (NH4)2SO4 + 2 CH3OH
KNO3 + NaOH + Al + H2O = NH3 + Na3[Al(OH)6] + K3[Al(OH)6] =>
3 KNO3 + 21 NaOH + 8 Al + 18 H2O = 3 NH3 + 7 Na3[Al(OH)6] + K3[Al(OH)6]
PbCl2 + Al(OH)3 = Pb(OH)2 + AlCl3 =>
3 PbCl2 + 2 Al(OH)3 = 3 Pb(OH)2 + 2 AlCl3
Fe3O4 + H2SO4 = Fe2(SO4)3 + H2O + SO2 =>
2 Fe3O4 + 10 H2SO4 = 3 Fe2(SO4)3 + 10 H2O + SO2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
H2Cr2O7 + Ni(OH)3 = Ni2(Cr2O7)3 + H2O =>
3 H2Cr2O7 + 2 Ni(OH)3 = Ni2(Cr2O7)3 + 6 H2O
SeS2 + H2O = H2SeO3 + H2S =>
SeS2 + 3 H2O = H2SeO3 + 2 H2S
H2SO4 + K3[Fe(CN)6] + Fe = KFe[Fe(CN)6]2 + K2SO4 + H2 =>
5 H2SO4 + 4 K3[Fe(CN)6] + 2 Fe = 2 KFe[Fe(CN)6]2 + 5 K2SO4 + 5 H2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
CH3OH + MgCl2 = Mg(CH3O)2 + HCl =>
2 CH3OH + MgCl2 = Mg(CH3O)2 + 2 HCl
K2Cr2O7 + NaHSO3 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O + KOH =>
2 K2Cr2O7 + 6 NaHSO3 + 3 H2SO4 = 2 Cr2(SO4)3 + 3 Na2SO4 + 4 H2O + 4 KOH
H2CO3 + Cr(OH)6 = Cr(CO3)3 + H2O =>
3 H2CO3 + Cr(OH)6 = Cr(CO3)3 + 6 H2O
PbO2 + Cr{3}{+} + OH{-} = PbO + Cr2O4{2}{-} + H3O{+} =>
2 PbO2 + 2 Cr{3}{+} + 3 OH{-} = 2 PbO + Cr2O4{2}{-} + H3O{+}
C3H9OH + KMnO4 + H2SO4 = H2O + K2SO4 + MnSO4 + C3H6O =>
5 C3H9OH + 4 KMnO4 + 6 H2SO4 = 16 H2O + 2 K2SO4 + 4 MnSO4 + 5 C3H6O
HCl + Pb(NO3) = H(NO3) + PbCl =>
HCl + Pb(NO3) = H(NO3) + PbCl
H2SO4 + Zn = H2 + ZnSO4 =>
H2SO4 + Zn = H2 + ZnSO4
Mn + S8 = Mn2S7 =>
16 Mn + 7 S8 = 8 Mn2S7
(NH4)2SO4 + NaOH = Na2SO4 + NH3 + H2O =>
(NH4)2SO4 + 2 NaOH = Na2SO4 + 2 NH3 + 2 H2O
NbCl5 + Na2CO3 = Na3NbO4 + NaCl + CO2 =>
NbCl5 + 4 Na2CO3 = Na3NbO4 + 5 NaCl + 4 CO2
Cu(NO3)2 + KBr = Br2* + CuBr + KNO3 =>
2 Cu(NO3)2 + 4 KBr = Br2* + 2 CuBr + 4 KNO3
Br2O3 + KOH = KBrO3 + H2O + KBr =>
3 Br2O3 + 6 KOH = 4 KBrO3 + 3 H2O + 2 KBr
P3N5 + HNO3 = H3PO4 + NO2 + H2O =>
P3N5 + 35 HNO3 = 3 H3PO4 + 40 NO2 + 13 H2O
C2H4(g) + O2(g) = CO2(g) + H20(aq) =>
5 C2H4(g) + 10 O2(g) = 10 CO2(g) + H20(aq)
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
Ca + Fl = CaFl2 =>
Ca + 2 Fl = CaFl2
Fe + NaOH = Fe(OH)3 + Na =>
Fe + 3 NaOH = Fe(OH)3 + 3 Na
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na + MgCl2(aq) = NaCl(aq) + Mg(s) =>
2 Na + MgCl2(aq) = 2 NaCl(aq) + Mg(s)
K + O2 = K2O =>
4 K + O2 = 2 K2O
Fe(OH)2 + Ni(OH)2 = Fe + NiO(OH) + H2O =>
Fe(OH)2 + 2 Ni(OH)2 = Fe + 2 NiO(OH) + 2 H2O
Na3Fe(CN)6 + Pb(C2O4)2 = Na2C2O4 + Pb3(Fe(CN)6)4 =>
4 Na3Fe(CN)6 + 3 Pb(C2O4)2 = 6 Na2C2O4 + Pb3(Fe(CN)6)4
HgO + HNO3 = Hg2(NO3)2 + H2O + O =>
2 HgO + 2 HNO3 = Hg2(NO3)2 + H2O + O
F2O3 + H2O = F(OH)3 =>
F2O3 + 3 H2O = 2 F(OH)3
CoBr2 + NaCl = CoCl2 + NaBr =>
CoBr2 + 2 NaCl = CoCl2 + 2 NaBr
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
Fe(s) + H2O(g) = Fe3O4(s) + H2(g) =>
3 Fe(s) + 4 H2O(g) = Fe3O4(s) + 4 H2(g)
TiO2 + NH4F = (NH4)2TiF6 + NH3 + H2O =>
TiO2 + 6 NH4F = (NH4)2TiF6 + 4 NH3 + 2 H2O
CO2H2 + O2 = CO2 + H2O =>
2 CO2H2 + O2 = 2 CO2 + 2 H2O
Pb(NO3)2 + Na2S2O3 = PbS2O3 + Na2(NO3)2 =>
Pb(NO3)2 + Na2S2O3 = PbS2O3 + Na2(NO3)2
Mg + Cu = MgCu =>
Mg + Cu = MgCu
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
Na3P + H2O = Na2O + H3P =>
2 Na3P + 3 H2O = 3 Na2O + 2 H3P
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
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