| Équations équilibrées la veille |
Au + 3 HSeO4{-} + 3 H = Au{3+} + 3 H2O + 3 SeO3{2-}
HCOOH + KOH = HCOOK + H2O0 =>
HCOOH + KOH = HCOOK + H2O0
Na2{+2}CO3{-2}(aq) + NH4{+}NO3{-}{(aq) = NH4{+2}CO3{-2}(aq)+Na2{+}NO3{-}(aq) =>
Na2{+2}CO3{-2}(aq) + NH4{+}NO3{-}{(aq) = NH4{+2}CO3{-2}(aq)+Na2{+}NO3{-}(aq)
Zn3Br2 + H2O = Zn + OH + BrH =>
Zn3Br2 + 2 H2O = 3 Zn + 2 OH + 2 BrH
Al2O3 + C = Al + CO2 =>
2 Al2O3 + 3 C = 4 Al + 3 CO2
CrSO4 + H2SO4 = Cr2(SO4)3 + H2S + H2O =>
8 CrSO4 + 5 H2SO4 = 4 Cr2(SO4)3 + H2S + 4 H2O
P2O5 + NaOH = Na3PO4 + H2O =>
P2O5 + 6 NaOH = 2 Na3PO4 + 3 H2O
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
NaOH + HCI = H2O + NaCI =>
NaOH + HCI = H2O + NaCI
Pb + HNO3 = Pb(NO3)2 + NO + H2O =>
3 Pb + 8 HNO3 = 3 Pb(NO3)2 + 2 NO + 4 H2O
PH3 + HBrO3 = Br2 + P2O5 + H2O =>
10 PH3 + 16 HBrO3 = 8 Br2 + 5 P2O5 + 23 H2O
H4 + Cl5 = H5Cl4 =>
25 H4 + 16 Cl5 = 20 H5Cl4
Pb + HNO3 = Pb(NO3)2 + NO + H2O =>
3 Pb + 8 HNO3 = 3 Pb(NO3)2 + 2 NO + 4 H2O
C16H34 = C2H4 + (C3H8)2 =>
2 C16H34 = 13 C2H4 + (C3H8)2
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
Al2(s) + ZnBr2(aq) = Zn(s) + AlBr3(aq) =>
Al2(s) + 3 ZnBr2(aq) = 3 Zn(s) + 2 AlBr3(aq)
Na2(Zn(OH)4) + HNO3 = Zn(NO3)2 + NaNO3 + H2O =>
Na2(Zn(OH)4) + 4 HNO3 = Zn(NO3)2 + 2 NaNO3 + 4 H2O
Co(OH)2 + Br2 + NaOH = Co(OH)3 + NaBr =>
2 Co(OH)2 + Br2 + 2 NaOH = 2 Co(OH)3 + 2 NaBr
AgC2H3O2 + NiSO4 = Ag2SO4 + Ni(C2H3O2)2 =>
2 AgC2H3O2 + NiSO4 = Ag2SO4 + Ni(C2H3O2)2
H5C2 + O2H = COH + H2O =>
3 H5C2 + 7 O2H = 6 COH + 8 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
CH3NH2 + O2 = CO2 + H2O + N2 =>
4 CH3NH2 + 9 O2 = 4 CO2 + 10 H2O + 2 N2
Ca(s) + NaOH(aq) = Na + CaOH =>
Ca(s) + NaOH(aq) = Na + CaOH
Rb + P = Rb3P =>
3 Rb + P = Rb3P
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
I2O5 + CO = I + CO2 =>
I2O5 + 5 CO = 2 I + 5 CO2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Ca(NO3)2 + Au2(SO4)3 = Au(NO3)3 + Ca2(SO4)2 =>
6 Ca(NO3)2 + 2 Au2(SO4)3 = 4 Au(NO3)3 + 3 Ca2(SO4)2
C6H6 + Br2 = C6Br5 + HBr =>
2 C6H6 + 11 Br2 = 2 C6Br5 + 12 HBr
CrI3 + H2O2 + OH{-} = CrO4{-} + IO4{-} + H2O =>
CrI3 + 14 H2O2 + 4 OH{-} = CrO4{-} + 3 IO4{-} + 16 H2O
Li2ClO4 + BaCl2 = LiCl + BaClO4 =>
Li2ClO4 + BaCl2 = 2 LiCl + BaClO4
K2Cr2O7 + KCl + H2SO4 = Cr2(SO4)3 + Cl2 + K2(SO4) + H2O =>
K2Cr2O7 + 6 KCl + 7 H2SO4 = Cr2(SO4)3 + 3 Cl2 + 4 K2(SO4) + 7 H2O
magnesium + ironchloride = magnesiumchloride + iron =>
3 Mg + 2 FeCl3 = 3 MgCl2 + 2 Fe
Cl2(aq) + NaI(aq) = Cl2I(aq) + Na(s) =>
Cl2(aq) + NaI(aq) = Cl2I(aq) + Na(s)
Ba(OH)2 + H2CO3 = Ba2(CO3)2 + HOH =>
2 Ba(OH)2 + 2 H2CO3 = Ba2(CO3)2 + 4 HOH
Al + NaOH = Na3AlO3 + H2 =>
2 Al + 6 NaOH = 2 Na3AlO3 + 3 H2
Cs2 + H2 = CsH =>
Cs2 + H2 = 2 CsH
CuCl2 + H2O2 = CuO2 + HCl =>
CuCl2 + H2O2 = CuO2 + 2 HCl
C14H10O4S2 + C10H14 = C17H16OS + H2O + H2 =>
C14H10O4S2 + 2 C10H14 = 2 C17H16OS + 2 H2O + H2
CuI + NH3*H2O = [Cu(NH3)2]I + H2O =>
CuI + 2 NH3*H2O = [Cu(NH3)2]I + 2 H2O
CuSO4 + KBr = CuBr4 + K4SO4 =>
CuSO4 + 4 KBr = CuBr4 + K4SO4
FeSO4*7H2O + CaCl2 = CaSO4 + FeCl2 + H2O =>
FeSO4*7H2O + CaCl2 = CaSO4 + FeCl2 + 7 H2O
NaOH + Al(SO3)3 = NaSO3 + Al(OH)3 =>
3 NaOH + Al(SO3)3 = 3 NaSO3 + Al(OH)3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
I2O5 + NO = N2O4 + I2 =>
2 I2O5 + 10 NO = 5 N2O4 + 2 I2
Ag2CrO4 + NH4OH = H2O + [Ag(NH3)2]2CrO4 =>
Ag2CrO4 + 4 NH4OH = 4 H2O + [Ag(NH3)2]2CrO4
AgI + Fe2(CO3)3 = FeI3 + Ag2CO3 =>
6 AgI + Fe2(CO3)3 = 2 FeI3 + 3 Ag2CO3
PbCO3 = Pb2 + CO3 =>
2 PbCO3 = Pb2 + 2 CO3
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