| Équations équilibrées la veille |
6 Zn + P4 = 2 Zn3P2
K2SO3 + Br2 + H2O = H2SO4 + KBr =>
K2SO3 + Br2 + H2O = H2SO4 + 2 KBr
HCHO + Ag(NH3)2OH = (NH4)2CO3 + Ag + NH3 + H2O =>
HCHO + 4 Ag(NH3)2OH = (NH4)2CO3 + 4 Ag + 6 NH3 + 2 H2O
AlCl3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O + Cl2 + Al2(SO4)3 =>
2 AlCl3 + K2Cr2O7 + 7 H2SO4 = Cr2(SO4)3 + K2SO4 + 7 H2O + 3 Cl2 + Al2(SO4)3
S8(s) + F2(g) = SF4(g) =>
S8(s) + 16 F2(g) = 8 SF4(g)
Mn(OH)2 + H2O2 = MnO(OH)2 + H2O =>
Mn(OH)2 + H2O2 = MnO(OH)2 + H2O
K2CrO4 + KOH + H[SnCl3] + H2O = Cr(OH)3 + K2[Sn(OH)6] + KCl =>
2 K2CrO4 + 11 KOH + 3 H[SnCl3] + 5 H2O = 2 Cr(OH)3 + 3 K2[Sn(OH)6] + 9 KCl
Cd(s) + HCl(aq) = CdCl2 + H2 =>
Cd(s) + 2 HCl(aq) = CdCl2 + H2
PbCl2 + H2O = Pb(OH)2 + HCl =>
PbCl2 + 2 H2O = Pb(OH)2 + 2 HCl
KMnO4 + HCOH = K2CO3 + KHCO3 + MnO2 + H2O =>
4 KMnO4 + 3 HCOH = K2CO3 + 2 KHCO3 + 4 MnO2 + 2 H2O
BaCl2 = Ba + Cl2 =>
BaCl2 = Ba + Cl2
Ni2{+} + Mg = Ni + Mg2{+} =>
Ni2{+} + 2 Mg = 2 Ni + Mg2{+}
Zn + SO2 = ZnO + ZnS =>
3 Zn + SO2 = 2 ZnO + ZnS
C2H4O2 + K2Cr2O7 + H2SO4 = H2O + CO2 + Cr2(SO4)3 + K2SO4 =>
3 C2H4O2 + 4 K2Cr2O7 + 16 H2SO4 = 22 H2O + 6 CO2 + 4 Cr2(SO4)3 + 4 K2SO4
ZnS + KNO3 = N2 + K2SO4 + ZnO + SO2 =>
4 ZnS + 6 KNO3 = 3 N2 + 3 K2SO4 + 4 ZnO + SO2
CuS + H2O = CuSO4 + H =>
CuS + 4 H2O = CuSO4 + 8 H
S + HNO3 = H2SO4 + NO =>
S + 2 HNO3 = H2SO4 + 2 NO
Na2HPO4 + NiSO4 = Ni3(PO4)2 + Na2SO4 + H2SO4 =>
2 Na2HPO4 + 3 NiSO4 = Ni3(PO4)2 + 2 Na2SO4 + H2SO4
CH3CH2CH2CH2OH + CH3COOH = CH3COOCH2CH2CH2CH3 + H2O =>
CH3CH2CH2CH2OH + CH3COOH = CH3COOCH2CH2CH2CH3 + H2O
F2S3 = F2 + S3 =>
F2S3 = F2 + S3
C6H5SO3H + NaOH = C6H5OH + NaHSO3 =>
C6H5SO3H + NaOH = C6H5OH + NaHSO3
C5H11OH + O2(g) = CO2(g) + H2O(l) =>
2 C5H11OH + 15 O2(g) = 10 CO2(g) + 12 H2O(l)
C2H4(OH)2 + HBr = C2H4Br2 + H2O =>
C2H4(OH)2 + 2 HBr = C2H4Br2 + 2 H2O
Fe + KSCN = FeSCN + K =>
Fe + KSCN = FeSCN + K
CuO + WO3 = Cu3WO6 =>
3 CuO + WO3 = Cu3WO6
Cu + CaCO3 = Ca + Cu2CO3 =>
2 Cu + CaCO3 = Ca + Cu2CO3
Cd(s) + AgNO3(aq) = Cd(NO3)(aq) + Ag(s) =>
Cd(s) + AgNO3(aq) = Cd(NO3)(aq) + Ag(s)
NaNO2 + HF = NaF + HNO2 =>
NaNO2 + HF = NaF + HNO2
Mg(OH)2 = MgO + H2O =>
Mg(OH)2 = MgO + H2O
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
Fe(OH)3 + NaOH = Na3[Fe(OH)6] =>
Fe(OH)3 + 3 NaOH = Na3[Fe(OH)6]
C2H5O + K2Cr2O7 + H2SO4 = C2H4O2 + Cr2(SO4)3 + K2SO4 + H2O =>
2 C2H5O + K2Cr2O7 + 4 H2SO4 = 2 C2H4O2 + Cr2(SO4)3 + K2SO4 + 5 H2O
Na2[Cu(OH)4] = Na2CuO2 + H2O =>
Na2[Cu(OH)4] = Na2CuO2 + 2 H2O
C2O4 + BaCl2 = BaC2O4 + Cl2 =>
C2O4 + BaCl2 = BaC2O4 + Cl2
Cr(s) + CdCl2(aq) = CrCl3(aq) + Cd(s) =>
2 Cr(s) + 3 CdCl2(aq) = 2 CrCl3(aq) + 3 Cd(s)
K2CrO4 + HCI = K2Cr2O7 + KCI + H2O =>
2 K2CrO4 + 2 HCI = K2Cr2O7 + 2 KCI + H2O
KCl + CaS = K2S + CaCl2 =>
2 KCl + CaS = K2S + CaCl2
C25H52(s) + O2(g) = CO2(g) + H2O(l) =>
C25H52(s) + 38 O2(g) = 25 CO2(g) + 26 H2O(l)
(NH)3 + O2 = NO + H2O =>
4(NH)3 + 9 O2 = 12 NO + 6 H2O
Co2(SO4)3 + K3PO4 = CoPO4 + K2SO4 =>
Co2(SO4)3 + 2 K3PO4 = 2 CoPO4 + 3 K2SO4
Sr + H2SO4 = SrSO4 + SO2 + H2O =>
Sr + 2 H2SO4 = SrSO4 + SO2 + 2 H2O
Ca + O2 + H2O = Ca(OH)2 =>
2 Ca + O2 + 2 H2O = 2 Ca(OH)2
H2(g) + Br2(aq) = HBr(aq) =>
H2(g) + Br2(aq) = 2 HBr(aq)
CoCl2 + KNO2 + CH3COOH = K3Co(NO2)6 + NO + KCH3COO + KCl + H2O =>
CoCl2 + 7 KNO2 + 2 CH3COOH = K3Co(NO2)6 + NO + 2 KCH3COO + 2 KCl + H2O
C4H6 + KMnO4 = CH3COOK + MnO2 =>
C4H6 + 2 KMnO4 = 2 CH3COOK + 2 MnO2
FeSCN + Na2HPO4 = Na2SCN + FeHPO4 =>
FeSCN + Na2HPO4 = Na2SCN + FeHPO4
Zn(NO3)2 + K2CO3 = ZnCO3 + KNO3 =>
Zn(NO3)2 + K2CO3 = ZnCO3 + 2 KNO3
Cr2O3 + H2SO4 = Cr2(SO4)3 + H2O =>
Cr2O3 + 3 H2SO4 = Cr2(SO4)3 + 3 H2O
C2H5O1 + O2 = CO2 + H2O =>
4 C2H5O1 + 11 O2 = 8 CO2 + 10 H2O
CO3 + H2 = CO + H2O =>
CO3 + 2 H2 = CO + 2 H2O
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