| Équations équilibrées la veille |
ZnO + AlCl = ZnAlClO
Cu + NO{3}{-} = Cu{+2} + NO =>
3 Cu + 2 NO{3}{-} = 3 Cu{+2} + 2 NO
Ba(OH)2 + Na2CO3 = BaCO3 + NaOH =>
Ba(OH)2 + Na2CO3 = BaCO3 + 2 NaOH
C23H48 + CuO = CO2 + H2O + Cu =>
C23H48 + 70 CuO = 23 CO2 + 24 H2O + 70 Cu
La + H2SO4 = La2(SO4)3 + H2S + H2O =>
8 La + 15 H2SO4 = 4 La2(SO4)3 + 3 H2S + 12 H2O
CuSO4 + NaCl = CuCl2 + Na + SO4 =>
CuSO4 + 2 NaCl = CuCl2 + 2 Na + SO4
N2O5 + Mg = Mg(NO3)2 + Mg3N2 =>
6 N2O5 + 8 Mg = 5 Mg(NO3)2 + Mg3N2
P4 + H2O + O2 = H2PO4 =>
P4 + 4 H2O + 6 O2 = 4 H2PO4
CaCO3 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
KMnO4 + HCOOH + H2SO4 = MnSO4 + CO2 + H2O + K2SO4 =>
2 KMnO4 + 5 HCOOH + 3 H2SO4 = 2 MnSO4 + 5 CO2 + 8 H2O + K2SO4
B2Cl4 + CH3OH = B2(OCH3)4 + HCl =>
B2Cl4 + 4 CH3OH = B2(OCH3)4 + 4 HCl
Ti2(SO4)3 + O2 + KOH = TiOSO4 + K2SO4 + H2O =>
2 Ti2(SO4)3 + O2 + 4 KOH = 4 TiOSO4 + 2 K2SO4 + 2 H2O
MnS(s) + HCl(ac) = MnCl2(ac) + H2S(g) =>
MnS(s) + 2 HCl(ac) = MnCl2(ac) + H2S(g)
SrCl2 + H2S = SrS + HCl =>
SrCl2 + H2S = SrS + 2 HCl
CrI2 + KHO + Cl2 = K2CrO4 + KIO4 + KCl + H2O =>
CrI2 + 24 KHO + 10 Cl2 = K2CrO4 + 2 KIO4 + 20 KCl + 12 H2O
CH3CH2COOH + CH3NHCH3 = CH3CH2COO + CH3NH2CH3 =>
CH3CH2COOH + CH3NHCH3 = CH3CH2COO + CH3NH2CH3
KMnO4 + SO2 + NaOH = MnO2 + Na2SO4 + H2O + KOH =>
2 KMnO4 + 3 SO2 + 6 NaOH = 2 MnO2 + 3 Na2SO4 + 2 H2O + 2 KOH
Fe + AgOH = Fe(OH)2 + Ag =>
Fe + 2 AgOH = Fe(OH)2 + 2 Ag
Al2O3 + Ca3P2 = CaO + AlP =>
Al2O3 + Ca3P2 = 3 CaO + 2 AlP
HC2H3O2NaHCO3 = CO2NaC2H3O2H2O =>
HC2H3O2NaHCO3 = CO2NaC2H3O2H2O
HCOOH + H2O = HCOO({-}) + H3O({+}) =>
HCOOH + H2O = HCOO({-}) + H3O({+})
CH3CH2NH2 + NaNO3 + HCl = CH3CH2OH + N2 + NaCl + H2O =>
5 CH3CH2NH2 + 3 NaNO3 + 3 HCl = 5 CH3CH2OH + 4 N2 + 3 NaCl + 4 H2O
FeSO4 + K2S = Fe2S3 + (K2)2 + SO4 =>
4 FeSO4 + 6 K2S = 2 Fe2S3 + 3(K2)2 + 4 SO4
BI3 = B + I2 =>
2 BI3 = 2 B + 3 I2
NH2 + NO2 = N2 + H2O =>
4 NH2 + 2 NO2 = 3 N2 + 4 H2O
Pb3O4 + HNO3 = PbO2 + NO2 + H2O =>
Pb3O4 + 4 HNO3 = 3 PbO2 + 4 NO2 + 2 H2O
Li + NiO = Li2O + Ni =>
2 Li + NiO = Li2O + Ni
NaCl + H2SO4 + MnO2 = NaSO4 + Mn + H2O + Cl2 =>
2 NaCl + 2 H2SO4 + MnO2 = 2 NaSO4 + Mn + 2 H2O + Cl2
Ca(OH)2(s) + HF(aq) = H(OH)(aq) + CaF2(s) =>
Ca(OH)2(s) + 2 HF(aq) = 2 H(OH)(aq) + CaF2(s)
KNO3 + Cu(NO3)2 = CuNO3 + K(NO3)2 =>
KNO3 + Cu(NO3)2 = CuNO3 + K(NO3)2
ZnS + H2SO4 = Zn(SO4) + H2S =>
ZnS + H2SO4 = Zn(SO4) + H2S
Ag + NO2 + O2 = AgNO3 =>
2 Ag + 2 NO2 + O2 = 2 AgNO3
CH3CONH2 + H2O = CH3CONH3 + OH =>
CH3CONH2 + H2O = CH3CONH3 + OH
La(OH)3 + H2SO4 = La2(SO4)3 + H2O =>
2 La(OH)3 + 3 H2SO4 = La2(SO4)3 + 6 H2O
Zn + HCI = ZnCI + H2 =>
2 Zn + 2 HCI = 2 ZnCI + H2
HgCl + KI + I2 = K2(HgI4) + KCl =>
2 HgCl + 6 KI + I2 = 2 K2(HgI4) + 2 KCl
Na + H2SO4 = Na2SO4 + H2 =>
2 Na + H2SO4 = Na2SO4 + H2
C6H12O6 + H2O = C3H10O5 =>
C6H12O6 + 4 H2O = 2 C3H10O5
HClO3 + CaCO3 = CaCl2 + O2 + H2O + CO2 =>
2 HClO3 + CaCO3 = CaCl2 + 3 O2 + H2O + CO2
CaO + H2SO4 = CaSO4 + H2O =>
CaO + H2SO4 = CaSO4 + H2O
KNO4(aq) + Na2SO3(aq) + H2O(l) = NO2(g) + Na2SO4(aq) + KOH(aq) =>
2 KNO4(aq) + 3 Na2SO3(aq) + H2O(l) = 2 NO2(g) + 3 Na2SO4(aq) + 2 KOH(aq)
[Co(NH3)6]{2+} + H2O2 = [Co(NH3)6]{3+} + OH{-} =>
2[Co(NH3)6]{2+} + H2O2 = 2[Co(NH3)6]{3+} + 2 OH{-}
Na2S + Na2CrO4 + H2O = Na3[Cr(OH)6] + NaOH + S =>
3 Na2S + 2 Na2CrO4 + 8 H2O = 2 Na3[Cr(OH)6] + 4 NaOH + 3 S
Ca3(PO4)2(s) + SiO2(g) + C(s) = P4(s) + CaSiO3(s) + CO(g) =>
2 Ca3(PO4)2(s) + 6 SiO2(g) + 10 C(s) = P4(s) + 6 CaSiO3(s) + 10 CO(g)
CaCO3(aq) + HCl(aq) = CaCl(l) + HCO3(aq) =>
CaCO3(aq) + HCl(aq) = CaCl(l) + HCO3(aq)
H2C2O4 + Fe(OH)3 = FeOHC2O4 + H2O =>
H2C2O4 + Fe(OH)3 = FeOHC2O4 + 2 H2O
CO2 + H2O = C6H12O11 + O2 =>
12 CO2 + 12 H2O = 2 C6H12O11 + 7 O2
CaH4(PO4)2 + NaOH = Ca3(PO4)2 + H2O + Na3PO4 =>
3 CaH4(PO4)2 + 12 NaOH = Ca3(PO4)2 + 12 H2O + 4 Na3PO4
K2S2O5 + O2 = K2SO4 + SO2 =>
2 K2S2O5 + O2 = 2 K2SO4 + 2 SO2
K2Cr2O7 + NaOH + HCl = KCl + Na2CrO4 + H2O =>
K2Cr2O7 + 4 NaOH + 2 HCl = 2 KCl + 2 Na2CrO4 + 3 H2O
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Équations équilibrées sur11/23/24
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