| Équations équilibrées la veille | Équations équilibrées le lendemain |
Me + 2 H2O = Me(OH)2 + H2
Na2CO3 + Co3O4 = NaCoO2 + O2 + CO =>
3 Na2CO3 + 2 Co3O4 = 6 NaCoO2 + O2 + 3 CO
H3PO4 + (NH4)2MoO4 + HNO3 = (NH4)3PO4*(MoO3)12 + NH4NO3 + H2O =>
H3PO4 + 12(NH4)2MoO4 + 21 HNO3 = (NH4)3PO4*(MoO3)12 + 21 NH4NO3 + 12 H2O
P2O5 + CaHPO4 + H2O = Ca(H2PO4)2 =>
P2O5 + 2 CaHPO4 + 3 H2O = 2 Ca(H2PO4)2
SIO2 + Mg = SI + MgO =>
SIO2 + 2 Mg = SI + 2 MgO
C12H22O11 + O2 = H3C6H5O7 + H2O =>
C12H22O11 + 3 O2 = 2 H3C6H5O7 + 3 H2O
Mg(OH)2(aq) + H2SO4(aq) = MgSO4 + H(OH) =>
Mg(OH)2(aq) + H2SO4(aq) = MgSO4 + 2 H(OH)
Mg + CN = Mg2CN =>
2 Mg + CN = Mg2CN
KOH + KBr + Cl2 = KBrO3 + KCl + H2O =>
6 KOH + KBr + 3 Cl2 = KBrO3 + 6 KCl + 3 H2O
C4H7O3N + O2 = CO2 + H2O + N2O3 =>
2 C4H7O3N + 10 O2 = 8 CO2 + 7 H2O + N2O3
K2SO4 + Zn3P2 = K2Zn + P2(SO4)3 =>
3 K2SO4 + Zn3P2 = 3 K2Zn + P2(SO4)3
Au(s) + HNO3 + HCl = HAuCl4(H2O)3 + NO2 =>
Au(s) + 3 HNO3 + 4 HCl = HAuCl4(H2O)3 + 3 NO2
KI + NaNO2 + H3PO4 = KI3 + NO + Na3PO4 + H2O + K3PO4 =>
9 KI + 6 NaNO2 + 4 H3PO4 = 3 KI3 + 6 NO + 2 Na3PO4 + 6 H2O + 2 K3PO4
N2 + Al = AlN =>
N2 + 2 Al = 2 AlN
C4H6O3 + H2O = CH2 + O =>
C4H6O3 + H2O = 4 CH2 + 4 O
H2SO4(aq) + Ba(OH)2 = BaSO4 + H2O(l) =>
H2SO4(aq) + Ba(OH)2 = BaSO4 + 2 H2O(l)
CH3CH2COOH + CH3(CH2)14CH2OH = CH3CH2COO(CH2)2CH3 + H2O =>
16 CH3CH2COOH + 3 CH3(CH2)14CH2OH = 16 CH3CH2COO(CH2)2CH3 + 3 H2O
Pb(s) + HCl(aq) = PbCl2(s) + H2(g) =>
Pb(s) + 2 HCl(aq) = PbCl2(s) + H2(g)
NH4OH{-} + AgNO3{+} = NH4NO3 + Ag2O + H2O =>
2 NH4OH{-} + 2 AgNO3{+} = 2 NH4NO3 + Ag2O + H2O
LiOH + Na2SO3 = Li2SO3 + NaOH =>
2 LiOH + Na2SO3 = Li2SO3 + 2 NaOH
FeSO4 + KCl = FeCl2 + K2SO4 =>
FeSO4 + 2 KCl = FeCl2 + K2SO4
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
ZnCl2 + Na3PO4 = Zn3(PO4)2 + NaCl =>
3 ZnCl2 + 2 Na3PO4 = Zn3(PO4)2 + 6 NaCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
MgSO4 + Ba(NO3)2 = Mg(NO3)2BaSO4 =>
MgSO4 + Ba(NO3)2 = Mg(NO3)2BaSO4
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Zn3N2(s) + H2O(l) = Zn(OH)2(aq) + NH3(g) =>
Zn3N2(s) + 6 H2O(l) = 3 Zn(OH)2(aq) + 2 NH3(g)
CaCl2 + NaO2 = NaCl2 + CaO2 =>
CaCl2 + NaO2 = NaCl2 + CaO2
Al2S3 + HNO3 = Al(NO3)3 + NO2 + H2SO4 + H2O =>
Al2S3 + 30 HNO3 = 2 Al(NO3)3 + 24 NO2 + 3 H2SO4 + 12 H2O
Cl2(g) + KBr(aq) = Br2(l) + KCl(aq) =>
Cl2(g) + 2 KBr(aq) = Br2(l) + 2 KCl(aq)
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Cu + HNO3 = Cu(NO33)2 + NO + H2O =>
3 Cu + 128 HNO3 = 3 Cu(NO33)2 + 122 NO + 64 H2O
H2SO3 + NaOH = Na2SO3 + H2O =>
H2SO3 + 2 NaOH = Na2SO3 + 2 H2O
Mg + Bi = Mg3Bi2 =>
3 Mg + 2 Bi = Mg3Bi2
Fe(s) + Sn(NO3)4(aq) = Fe(NO3)3(aq) + Sn(s) =>
4 Fe(s) + 3 Sn(NO3)4(aq) = 4 Fe(NO3)3(aq) + 3 Sn(s)
C3H6 + K2Cr2O7 + H2SO4 = C3H6(OH)2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 C3H6 + K2Cr2O7 + 4 H2SO4 = 3 C3H6(OH)2 + K2SO4 + Cr2(SO4)3 + H2O
C6H5CH(OH)CH3 + CuO = C6H5COCH3 + Cu + H2O =>
C6H5CH(OH)CH3 + CuO = C6H5COCH3 + Cu + H2O
CH2CHCH2CH + O2 = CO2 + H2O =>
2 CH2CHCH2CH + 11 O2 = 8 CO2 + 6 H2O
Cr2O3 + K3[Fe(Cn)6] + KOH = CrO3 + K4[Fe(Cn)6] + H2O =>
Cr2O3 + 6 K3[Fe(Cn)6] + 6 KOH = 2 CrO3 + 6 K4[Fe(Cn)6] + 3 H2O
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + I2 + H2O + K2SO4 =>
K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 3 I2 + 7 H2O + 4 K2SO4
H3AsO4 + K2SO4 = K3AsO4 + H2SO4 =>
2 H3AsO4 + 3 K2SO4 = 2 K3AsO4 + 3 H2SO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
K3PO4 + (NH4)2SO4 = K3SO4 + (NH4)2PO4 =>
K3PO4 + (NH4)2SO4 = K3SO4 + (NH4)2PO4
KClO3 + FeSO4 + H2S04 = KCl + Fe2(SO4)3 + H2O =>
17 KClO3 + 24 FeSO4 + 3 H2S04 = 17 KCl + 12 Fe2(SO4)3 + 3 H2O
Na3PO4 + BaCl2 = Ba3(PO4)2 + Na3 + Cl2 =>
2 Na3PO4 + 3 BaCl2 = Ba3(PO4)2 + 2 Na3 + 3 Cl2
CH3OH + C2H5OH = C3H8(OH)2 =>
CH3OH + C2H5OH = C3H8(OH)2
K2Cr2O7 + HCl = KCl + CrCl3 + Cl2 + H2O =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 3 Cl2 + 7 H2O
H2SO3 = H2O + SO2 =>
H2SO3 = H2O + SO2
C2H5OH + KMnO4 + H2SO4 = CO2 + MnO2 + K2SO4 + H2O =>
C2H5OH + 4 KMnO4 + 2 H2SO4 = 2 CO2 + 4 MnO2 + 2 K2SO4 + 5 H2O
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