| Équations équilibrées la veille | Équations équilibrées le lendemain |
Ca2(HCo3)2 + 4 HCl = 2 CaCl2 + 3 Co2 + 3 H2
Zn(s) + MgSO4(aq) = ZnSO4 + Mg =>
Zn(s) + MgSO4(aq) = ZnSO4 + Mg
C3H7OH + Na2CrO4 + HCl = C2H5CHO + NaCl + CrCl3 + H2O =>
3 C3H7OH + 2 Na2CrO4 + 10 HCl = 3 C2H5CHO + 4 NaCl + 2 CrCl3 + 8 H2O
KNO3 + HCl = NO2 + H2O + O2 + KCl =>
4 KNO3 + 4 HCl = 4 NO2 + 2 H2O + O2 + 4 KCl
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
AgNO3 + NaClO = NaNO3 + AgCl + AgClO3 =>
3 AgNO3 + 3 NaClO = 3 NaNO3 + 2 AgCl + AgClO3
CaCl2 + HOH + CO2 = CaCO3 + HCl =>
CaCl2 + HOH + CO2 = CaCO3 + 2 HCl
AgCl + NH4OH = Ag(NH3){+} + Cl{-} + H2O =>
AgCl + NH4OH = Ag(NH3){+} + Cl{-} + H2O
C6H5NO2 + H2O = C6H6 + HNO3 =>
C6H5NO2 + H2O = C6H6 + HNO3
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Fe(NO3)3 + K2SO4 = Fe(SO4)3 + K2NO3 =>
Fe(NO3)3 + 3 K2SO4 = Fe(SO4)3 + 3 K2NO3
C6H5COOH + O2 = CO2 + H2O8 =>
C6H5COOH + 18 O2 = 7 CO2 + 3 H2O8
C3H6 + Br2 = C3H5Br + H2Br =>
4 C3H6 + 3 Br2 = 4 C3H5Br + 2 H2Br
H2SO4 + LiOH = H2O + LiHSO4 =>
H2SO4 + LiOH = H2O + LiHSO4
CoCl2 + H2O = [Co(H2O)6]Cl2 =>
CoCl2 + 6 H2O = [Co(H2O)6]Cl2
C7H6O(l) + O(g) = CO2(g) + H2O(w) =>
C7H6O(l) + 16 O(g) = 7 CO2(g) + 3 H2O(w)
P4H10(s) + H2O(l) = H3PO4(l) + H2(g) =>
P4H10(s) + 16 H2O(l) = 4 H3PO4(l) + 15 H2(g)
Cl + NH3 = Cl3N + HCl =>
6 Cl + NH3 = Cl3N + 3 HCl
KNO3 + H2SO4 + Zn = N2H8SO4 + ZnSO4 + K2O4 + H2O =>
2 KNO3 + 6 H2SO4 + 5 Zn = N2H8SO4 + 5 ZnSO4 + K2O4 + 2 H2O
KHSO3 + NaOH = K2SO3 + Na2SO3 + H2O =>
2 KHSO3 + 2 NaOH = K2SO3 + Na2SO3 + 2 H2O
At + NaOH = NaAt + NaAtO3 + H2O =>
6 At + 6 NaOH = 5 NaAt + NaAtO3 + 3 H2O
NaHSO3 + TiCl4 = Ti(SO3)2 + HCl + NaCl =>
2 NaHSO3 + TiCl4 = Ti(SO3)2 + 2 HCl + 2 NaCl
Li + O2 = Li2O0 =>
4 Li + O2 = 2 Li2O0
HBrO3 + Co(OH)2 = Co(BrO3)2 + H2O =>
2 HBrO3 + Co(OH)2 = Co(BrO3)2 + 2 H2O
TiO2(s) + CO(g) + Cl2(g) = TiCl4(s) + CO2(g) =>
TiO2(s) + 2 CO(g) + 2 Cl2(g) = TiCl4(s) + 2 CO2(g)
Br2 + HClO + H2O = HBrO3 + HCl =>
Br2 + 5 HClO + H2O = 2 HBrO3 + 5 HCl
C3H7Br + Mg = C3H7MgBr =>
C3H7Br + Mg = C3H7MgBr
AlCl3 + NaNO3 = NaCl3 + AlNO3 =>
AlCl3 + NaNO3 = NaCl3 + AlNO3
FeCl2 + H3PO4 = FePO4 + H + Cl =>
FeCl2 + H3PO4 = FePO4 + 3 H + 2 Cl
KMnO4(ac) + SnCl2(ac) + HCl = SnCl4(ac) + MnCl2(ac) + KCl(ac) + H2O(l) =>
2 KMnO4(ac) + 5 SnCl2(ac) + 16 HCl = 5 SnCl4(ac) + 2 MnCl2(ac) + 2 KCl(ac) + 8 H2O(l)
CH3COOH + I2 = HI + CH3COO =>
2 CH3COOH + I2 = 2 HI + 2 CH3COO
K2S + K3VO4 + H2O = S + KVO + KOH =>
2 K2S + K3VO4 + 3 H2O = 2 S + KVO + 6 KOH
C4H9OH + CH3CH2COOH = CH3CH2CH2CH2OCOCH2CH3 + H2O =>
C4H9OH + CH3CH2COOH = CH3CH2CH2CH2OCOCH2CH3 + H2O
H2SO4 + Na2CrO4 = H2CrO4 + Na2SO4 =>
H2SO4 + Na2CrO4 = H2CrO4 + Na2SO4
SnO2(g) + C(s) = Sn(s) + CO(g) =>
SnO2(g) + 2 C(s) = Sn(s) + 2 CO(g)
K2S + K3VO4 + H2O = S + KVO + KOH =>
2 K2S + K3VO4 + 3 H2O = 2 S + KVO + 6 KOH
PbO2 + Mg(OH)2 = Mg(PbO3) + H2O =>
PbO2 + Mg(OH)2 = Mg(PbO3) + H2O
K2S + K3VO4 + H2O = S + KVO + KOH =>
2 K2S + K3VO4 + 3 H2O = 2 S + KVO + 6 KOH
(NH4)2SO4(aq) + BaCl2(aq) = BaSO4(s) + NH4Cl(aq) =>
(NH4)2SO4(aq) + BaCl2(aq) = BaSO4(s) + 2 NH4Cl(aq)
HgS + HCl + SnCl2 = Hg + HS + SnCl3 =>
HgS + HCl + SnCl2 = Hg + HS + SnCl3
Na + NNO3 = Na2O + N2 =>
6 Na + NNO3 = 3 Na2O + N2
K2CO3 + MnO + HCl = C + KMnO4 + KCl + H2 =>
2 K2CO3 + 2 MnO + 2 HCl = 2 C + 2 KMnO4 + 2 KCl + H2
K2S + K3VO4 + H2O = S + KVO + KOH =>
2 K2S + K3VO4 + 3 H2O = 2 S + KVO + 6 KOH
LiCl + KMnO4 + H2SO4 = Cl2 + Mn2(SO4)3 + K2SO4 + Li2SO4 + H2O =>
8 LiCl + 2 KMnO4 + 8 H2SO4 = 4 Cl2 + Mn2(SO4)3 + K2SO4 + 4 Li2SO4 + 8 H2O
PCl3 + Water = H3PO3 + HCl =>
PCl3 + 3 H2O = H3PO3 + 3 HCl
K2S + K3VO4 + H2O = S + KVO + KOH =>
2 K2S + K3VO4 + 3 H2O = 2 S + KVO + 6 KOH
BaNO3 + KOH = KNO3 + BaOH =>
BaNO3 + KOH = KNO3 + BaOH
MnSO4 + Ca(BrO3)2 + KOH = K2SO4 + Br2 + K2MnO4 + CaSO4 + H2O =>
5 MnSO4 + 2 Ca(BrO3)2 + 16 KOH = 3 K2SO4 + 2 Br2 + 5 K2MnO4 + 2 CaSO4 + 8 H2O
Ni(OH)2 + P = Ni5P4 + H2O + P2O5 =>
5 Ni(OH)2 + 6 P = Ni5P4 + 5 H2O + P2O5
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
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