| Équations équilibrées la veille |
10 Na2Co3 + 20 HNO3 = 20 NaNO3 + H20(water) + 15 Co2
I2O = I2 + O2 =>
2 I2O = 2 I2 + O2
Fe + C = FeC1 =>
Fe + C = FeC1
S8 + OH = S2O3 + H2O =>
S8 + 24 OH = 4 S2O3 + 12 H2O
KMnO4 + KHSO4 + FeSO3 = K2SO4 + MnSO4 + Fe2(SO4)3 + H2O =>
6 KMnO4 + 28 KHSO4 + 10 FeSO3 = 17 K2SO4 + 6 MnSO4 + 5 Fe2(SO4)3 + 14 H2O
C4H10O + Cr2O7{-2} + H{+} = C4H8O + Cr{3+} + H2O =>
3 C4H10O + Cr2O7{-2} + 8 H{+} = 3 C4H8O + 2 Cr{3+} + 7 H2O
CuBr2 + Na2S = NaBr + CuS =>
CuBr2 + Na2S = 2 NaBr + CuS
C + H + O = CH2O =>
C + 2 H + O = CH2O
Pb2O3 + NaOH = Na2PbO2 + Na2PbO3 + H2O =>
Pb2O3 + 4 NaOH = Na2PbO2 + Na2PbO3 + 2 H2O
Mg(NO3)2 + H3PO4 = Mg3(PO4)2 + HNO3 =>
3 Mg(NO3)2 + 2 H3PO4 = Mg3(PO4)2 + 6 HNO3
Bi + Y + O = Bi15Y05O3 =>
15 Bi + 5 Y + 3 O = Bi15Y05O3
Na2SO3 + PbO2 = PbSO4 + Na2O =>
Na2SO3 + PbO2 = PbSO4 + Na2O
Na2Mg + S(NO3)2 = NaNO3 + MgS =>
Na2Mg + S(NO3)2 = 2 NaNO3 + MgS
CH3NH2 + H2O = CH3NH3{+} + OH{-} =>
CH3NH2 + H2O = CH3NH3{+} + OH{-}
NaOH + Ca(OH)2 = NaCa + OH =>
NaOH + Ca(OH)2 = NaCa + 3 OH
FePbO2 + KNO3 + KOH = Fe2O3 + K2PbO2 + KNO2 + H2O =>
2 FePbO2 + KNO3 + 4 KOH = Fe2O3 + 2 K2PbO2 + KNO2 + 2 H2O
H2SO3 + LiOH = H2O + Li2SO3 =>
H2SO3 + 2 LiOH = 2 H2O + Li2SO3
HBr + Cl2 = Br2 + HCl =>
2 HBr + Cl2 = Br2 + 2 HCl
Cl + PBr = PCl + Br =>
Cl + PBr = PCl + Br
CuBr2 + Na2S = NaBr + CuS =>
CuBr2 + Na2S = 2 NaBr + CuS
KI = K + I =>
KI = K + I
CaSO4 + AlCl3 = CaCl2 + Al2(SO4)3 =>
3 CaSO4 + 2 AlCl3 = 3 CaCl2 + Al2(SO4)3
AlCl3 + Fe(NO3)2 = Al(NO3)3 + FeCl2 =>
2 AlCl3 + 3 Fe(NO3)2 = 2 Al(NO3)3 + 3 FeCl2
LiOHH2O = Li2O + H2O =>
2 LiOHH2O = Li2O + 3 H2O
NaAg(CN)2 + NaSH + NaOH = Ag2S + NaCN + H2O =>
2 NaAg(CN)2 + NaSH + NaOH = Ag2S + 4 NaCN + H2O
C7H16O(l) + O2(g) = CO2 + H2O =>
2 C7H16O(l) + 21 O2(g) = 14 CO2 + 16 H2O
MgCl2 + NH4NO3 = Mg(NO3)2 + NH4Cl =>
MgCl2 + 2 NH4NO3 = Mg(NO3)2 + 2 NH4Cl
FeCl3 + K2CO3 = Fe2(CO3)3 + KCl =>
2 FeCl3 + 3 K2CO3 = Fe2(CO3)3 + 6 KCl
Ag2Se + NaNO3 + H2SO4 = AgSO4 + SeO2 + NO2 + Na2SO4 + H2O =>
Ag2Se + 8 NaNO3 + 6 H2SO4 = 2 AgSO4 + SeO2 + 8 NO2 + 4 Na2SO4 + 6 H2O
C19H32O21 = C12H22O11 + C6H8O7 + H2O =>
12 C19H32O21 = 9 C12H22O11 + 20 C6H8O7 + 13 H2O
HS2O3 = S + HSO4 + H2O =>
7 HS2O3 = 9 S + 5 HSO4 + H2O
FeSO4 + SO2 = Fe2(SO4)3 + S =>
2 FeSO4 + 2 SO2 = Fe2(SO4)3 + S
N2O3 + O2 = NO2 =>
2 N2O3 + O2 = 4 NO2
NaHCO3(s) = CO2(g)NaOH(s) =>
NaHCO3(s) = CO2(g)NaOH(s)
Cl3Fe + NH4OH = Fe(OH)3 + NH4Cl =>
Cl3Fe + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
MgBr2 + Cl2 = MgCl2 + Br2 =>
MgBr2 + Cl2 = MgCl2 + Br2
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
Ca(HCO3)2 + Ba(OH)2 = BaCO3 + Ca(OH)2 + H2O =>
Ca(HCO3)2 + 2 Ba(OH)2 = 2 BaCO3 + Ca(OH)2 + 2 H2O
Fe(OH)2 + NaClO4 + H2O = Fe(OH)3 + NaCl =>
8 Fe(OH)2 + NaClO4 + 4 H2O = 8 Fe(OH)3 + NaCl
NaCrO2 + NaClO + H2O = Na2CrO4 + NaOH + Cl2 =>
2 NaCrO2 + 6 NaClO + 2 H2O = 2 Na2CrO4 + 4 NaOH + 3 Cl2
Se + KCl = K2Se + Cl2 =>
Se + 2 KCl = K2Se + Cl2
Be + P2 = Be3P2 =>
3 Be + P2 = Be3P2
ZnSO4 + AlCl3 = Al2(SO4)3 + ZnCl2 =>
3 ZnSO4 + 2 AlCl3 = Al2(SO4)3 + 3 ZnCl2
FeO + Na2CO3 = FeCO3 + Na2O =>
FeO + Na2CO3 = FeCO3 + Na2O
Al2O3 + HJ = AlJ3 + H2O =>
Al2O3 + 6 HJ = 2 AlJ3 + 3 H2O
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
C3H5(NO3)3 = CO2 + N2 + H2O + O2 =>
4 C3H5(NO3)3 = 12 CO2 + 6 N2 + 10 H2O + O2
Al2O3(s) + H2SO4(aq) = Al2(SO4)3(aq) + H2O(l) =>
Al2O3(s) + 3 H2SO4(aq) = Al2(SO4)3(aq) + 3 H2O(l)
Al + Fe(NO3)2 = Al(NO3) + Fe =>
2 Al + Fe(NO3)2 = 2 Al(NO3) + Fe
SnF4 + K2S = SnS2 + KF =>
SnF4 + 2 K2S = SnS2 + 4 KF
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