| Équations équilibrées la veille |
CaS(s) + 2 HNO3(aq) = Ca(NO3)2 + H2S
C2H4O2 + KOH = CH3CO2K + H2O =>
C2H4O2 + KOH = CH3CO2K + H2O
CH3OH + Na2CO3 = NaOCH3 + H2O + CO2 =>
2 CH3OH + Na2CO3 = 2 NaOCH3 + H2O + CO2
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
FeSO4 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
6 FeSO4 + K2Cr2O7 + 7 H2SO4 = 3 Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + 7 H2O
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
NH2CH2COOH + Mg = NH2CH2COOMg + H =>
NH2CH2COOH + Mg = NH2CH2COOMg + H
NaNO2 + HClO = HNO3 + NaCl =>
NaNO2 + HClO = HNO3 + NaCl
BaO(aq) + H2O(l) = Ba(OH)2(aq) =>
BaO(aq) + H2O(l) = Ba(OH)2(aq)
Fr(s) + H2O(l) = FrOH(aq) + H2 =>
2 Fr(s) + 2 H2O(l) = 2 FrOH(aq) + H2
S8 + AsF5 = S16(AsF6)2 + AsF3 =>
2 S8 + 3 AsF5 = S16(AsF6)2 + AsF3
K + N2 = KN3 =>
2 K + 3 N2 = 2 KN3
P(s) + O2 = P4O10(s) =>
4 P(s) + 5 O2 = P4O10(s)
H2S + C = CS + H2 =>
H2S + C = CS + H2
KNO3 + Cu + H2SO4 = CuSO4 + H2O + K2SO4 + NO =>
2 KNO3 + 3 Cu + 4 H2SO4 = 3 CuSO4 + 4 H2O + K2SO4 + 2 NO
Si(OC2H5)4 + H2O = SiO2 + C2H5OH =>
Si(OC2H5)4 + 2 H2O = SiO2 + 4 C2H5OH
Na2CO3 + TiO2 + Ca(OH)2 = TiO2CaCO3 + NaOH =>
Na2CO3 + TiO2 + Ca(OH)2 = TiO2CaCO3 + 2 NaOH
MgS + H3PO4 = MgPO4 + H3S =>
MgS + H3PO4 = MgPO4 + H3S
NO3{-} + I2 + H2O = IO3{-} + NO2 + OH{-} =>
10 NO3{-} + I2 + 4 H2O = 2 IO3{-} + 10 NO2 + 8 OH{-}
K2SO4(aq) + SrI2(aq) = KI + SrSO4 =>
K2SO4(aq) + SrI2(aq) = 2 KI + SrSO4
CH4(g) + NH3(g) = HCN(g) + H2(g) =>
CH4(g) + NH3(g) = HCN(g) + 3 H2(g)
Zn + Na2Co3 = ZnCo3 + Na =>
Zn + Na2Co3 = ZnCo3 + 2 Na
La2O3 + MnO2 + SrCO3 = La8Sr8MnO3 + CO2 + O2 =>
8 La2O3 + 2 MnO2 + 16 SrCO3 = 2 La8Sr8MnO3 + 16 CO2 + 19 O2
K + Zn3(AsO3)2 = K3AsO3 + Zn =>
6 K + Zn3(AsO3)2 = 2 K3AsO3 + 3 Zn
C8H18 + NO2 = H2O + CO2 + N2 =>
4 C8H18 + 50 NO2 = 36 H2O + 32 CO2 + 25 N2
Br + H2O = BrO3 + H =>
Br + 3 H2O = BrO3 + 6 H
CaMg(CO3)2 + HCl = CaMgCl + H(CO3)2 =>
CaMg(CO3)2 + HCl = CaMgCl + H(CO3)2
CH4 + CI2 = CI4 + HCI =>
CH4 + 4 CI2 = CI4 + 4 HCI
N + H2O = NH3 + O2 =>
4 N + 6 H2O = 4 NH3 + 3 O2
C6H12O6 + H2SO4 = CO2 + SO2 + H2O =>
C6H12O6 + 12 H2SO4 = 6 CO2 + 12 SO2 + 18 H2O
InCl2 = InCl3 + In =>
3 InCl2 = 2 InCl3 + In
C10H16 + Br2 = HBr + C =>
C10H16 + 8 Br2 = 16 HBr + 10 C
Mg + Cu = Mg2Cu =>
2 Mg + Cu = Mg2Cu
Co(HCO3)3 = Co2O3 + CO2 + H2O =>
2 Co(HCO3)3 = Co2O3 + 6 CO2 + 3 H2O
Bi(OH)3 + SnCl2 = Bi + Sn(OH)4 + Cl =>
4 Bi(OH)3 + 3 SnCl2 = 4 Bi + 3 Sn(OH)4 + 6 Cl
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
CU(s) + O2(g) = CUO(s) =>
2 CU(s) + O2(g) = 2 CUO(s)
Cd3(PO4)2 + (NH4)2 = Cd + (NH4)3PO4 =>
Cd3(PO4)2 + 3(NH4)2 = 3 Cd + 2(NH4)3PO4
Ba(NO3)2(aq) + (NH4)2SO4(aq) = BaSO4(s) + NH4NO3(aq) =>
Ba(NO3)2(aq) + (NH4)2SO4(aq) = BaSO4(s) + 2 NH4NO3(aq)
CaH2(s) + H2O = Ca(OH)2 + H2(g) =>
CaH2(s) + 2 H2O = Ca(OH)2 + 2 H2(g)
B + H2SO4 = BSO4 + H2 =>
B + H2SO4 = BSO4 + H2
Mg(s) + Zn(NO3)3(aq) = Mg(NO3)2 + Zn =>
3 Mg(s) + 2 Zn(NO3)3(aq) = 3 Mg(NO3)2 + 2 Zn
CH3COOH + Cu2O = CH3COOCu + H2O =>
2 CH3COOH + Cu2O = 2 CH3COOCu + H2O
W + N2 = W3N7 =>
6 W + 7 N2 = 2 W3N7
AgNO3 + SiO2 = AgSiO3 + NO2 =>
AgNO3 + SiO2 = AgSiO3 + NO2
NaHSO4 + KOH = K2SO4 + Na2SO4 + H2O =>
2 NaHSO4 + 2 KOH = K2SO4 + Na2SO4 + 2 H2O
B2O3 + C + F2 = BF3 + CO2 =>
2 B2O3 + 3 C + 6 F2 = 4 BF3 + 3 CO2
Pb(OH)2 + H2CO3 = Pb(CO3) + H2O =>
Pb(OH)2 + H2CO3 = Pb(CO3) + 2 H2O
CrO7{2-} + CH3CH2OH + H{+} = Cr{3+} + C2H4O2 + H2O =>
4 CrO7{2-} + 9 CH3CH2OH + 20 H{+} = 4 Cr{3+} + 9 C2H4O2 + 19 H2O
Fe + Co(ClO3)2 = Fe(ClO3)2 + Co =>
Fe + Co(ClO3)2 = Fe(ClO3)2 + Co
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Équations équilibrées sur10/23/24
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