| Équations équilibrées la veille | Équations équilibrées le lendemain |
CaCO3(s) + 2 H3O(aq) = Ca(aq) + CO2(g) + 3 H2O(l)
K2Cr2O7 + H2S + H2SO4 = K2SO4 + Cr2SO4 + H2O =>
4 K2Cr2O7 + 5 H2S + 3 H2SO4 = 4 K2SO4 + 4 Cr2SO4 + 8 H2O
H2O + Mg3N2 = Mg(OH)2 + H3N =>
6 H2O + Mg3N2 = 3 Mg(OH)2 + 2 H3N
Al(NO3)3(aq) + Na2S(s) = Al2S3(s) + NaNO3(aq) =>
2 Al(NO3)3(aq) + 3 Na2S(s) = Al2S3(s) + 6 NaNO3(aq)
Pb(NO3)2 + Fe = FeNO3 + Pb =>
Pb(NO3)2 + 2 Fe = 2 FeNO3 + Pb
C2H4O + NO3{-} + H{+} = NO + C2H4O2 + H2O =>
3 C2H4O + 2 NO3{-} + 2 H{+} = 2 NO + 3 C2H4O2 + H2O
La10(N10O30)30*60H20O10 + Sr10(N10O30)20 + Mn10(N10O30)20*60H20O10 + C20H50N10O20 = La6Sr4Mn10O30 + N20 + H20O10 + C10O20 =>
3 La10(N10O30)30*60H20O10 + 2 Sr10(N10O30)20 + 5 Mn10(N10O30)20*60H20O10 + 150 C20H50N10O20 = 5 La6Sr4Mn10O30 + 190 N20 + 855 H20O10 + 300 C10O20
C6H12CH(O)2 + O2 = CO2 + H2O =>
4 C6H12CH(O)2 + 37 O2 = 28 CO2 + 26 H2O
SnCl3 + FeCl2 = SnCl2 + FeCl3 =>
SnCl3 + FeCl2 = SnCl2 + FeCl3
Zn + KBr = ZnKBr =>
Zn + KBr = ZnKBr
Ca3(PO4)2 + HNO3 = Ca(NO3)2 + PO4 + H2 =>
Ca3(PO4)2 + 6 HNO3 = 3 Ca(NO3)2 + 2 PO4 + 3 H2
HNO3 + Mg(HO)2 = Mg(NO3)2 + H2O =>
2 HNO3 + Mg(HO)2 = Mg(NO3)2 + 2 H2O
SO2 + HNO3 = SO3 + NO2 + H2O =>
SO2 + 2 HNO3 = SO3 + 2 NO2 + H2O
Ag3PO4 + Mg(OH)2 = Ag(OH) + [Mg(OH)]3PO4 =>
Ag3PO4 + 3 Mg(OH)2 = 3 Ag(OH) + [Mg(OH)]3PO4
H2SO4 + NaNO3 = NaHSO4 + HNO3 =>
H2SO4 + NaNO3 = NaHSO4 + HNO3
Ti + H2O = Ti(OH)3 + H2 =>
2 Ti + 6 H2O = 2 Ti(OH)3 + 3 H2
MnO4{-} + (COOH)2 + H3O{+} = Mn{2}{+} + CO2 + H2O =>
2 MnO4{-} + 5(COOH)2 + 6 H3O{+} = 2 Mn{2}{+} + 10 CO2 + 14 H2O
Pb = Pb2{+} + e =>
2 Pb = Pb2{+} + e
HCl + CaC2 + O2 = CaCl2 + H2O + CO2 =>
4 HCl + 2 CaC2 + 5 O2 = 2 CaCl2 + 2 H2O + 4 CO2
Mg + Fe3 = MgFe3 =>
Mg + Fe3 = MgFe3
(NH4)2CO3(aq) + Zn(NO3)2(aq) = NH4NO3(s) + ZnCO3(aq) =>
(NH4)2CO3(aq) + Zn(NO3)2(aq) = 2 NH4NO3(s) + ZnCO3(aq)
Au + HNO2 = Au(NO2)3 + H2 =>
2 Au + 6 HNO2 = 2 Au(NO2)3 + 3 H2
PbWO4 + HCl = PbCl2 + H2WO4 =>
PbWO4 + 2 HCl = PbCl2 + H2WO4
K2SO4 + MgF2 = K2F2 + MgSO4 =>
K2SO4 + MgF2 = K2F2 + MgSO4
Cs(Cl) + I2 = Cl2 + Cs(I) =>
2 Cs(Cl) + I2 = Cl2 + 2 Cs(I)
HNO3 + H3I = NO + I2 + H2O =>
2 HNO3 + 2 H3I = 2 NO + I2 + 4 H2O
Ba + H2O2 = BaO + H2O =>
Ba + H2O2 = BaO + H2O
Na2CO3(aq) + H2SO4(aq) = Na2SO4(aq) + H2CO3(s) =>
Na2CO3(aq) + H2SO4(aq) = Na2SO4(aq) + H2CO3(s)
Ag + Fe2(SO4)3 = Ag2SO4 + FeSO4 =>
2 Ag + Fe2(SO4)3 = Ag2SO4 + 2 FeSO4
Na3PO3 + H2SO4 = Na2SO4 + H3PO3 =>
2 Na3PO3 + 3 H2SO4 = 3 Na2SO4 + 2 H3PO3
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
Zn(NO3)2*6H2O + NaOH = Zn(OH)2 + NaNO3*3H2O =>
Zn(NO3)2*6H2O + 2 NaOH = Zn(OH)2 + 2 NaNO3*3H2O
Cr2O7 + H2O = Cr + OH =>
Cr2O7 + 7 H2O = 2 Cr + 14 OH
H2SO4 + CoW12O40 + HWO3 = CoSO4 + H2CoW11O40 + WO3 =>
3 H2SO4 + 7 CoW12O40 + 2 HWO3 = 3 CoSO4 + 4 H2CoW11O40 + 42 WO3
NaOH + H2A = H2O + NaA + H =>
NaOH + H2A = H2O + NaA + H
Ca(s) + AlCl3(aq) = CaCl(aq) + Al(s) =>
3 Ca(s) + AlCl3(aq) = 3 CaCl(aq) + Al(s)
C19H8O8 + O2 = CO2 + H2O =>
C19H8O8 + 17 O2 = 19 CO2 + 4 H2O
CH3COONa + H2O = C2H6 + NaHCO3 + H2 =>
2 CH3COONa + 2 H2O = C2H6 + 2 NaHCO3 + H2
HI(aq) + K2S(aq) = H2S(aq) + IK(s) =>
2 HI(aq) + K2S(aq) = H2S(aq) + 2 IK(s)
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
CaN + O = CaO + N =>
CaN + O = CaO + N
NaBr + H2SO4 + MgO2 = Br + MgSO4 + H2O + Na2SO4 =>
2 NaBr + 2 H2SO4 + MgO2 = 2 Br + MgSO4 + 2 H2O + Na2SO4
H2O2 + HI = I2 + H2O =>
H2O2 + 2 HI = I2 + 2 H2O
AgBr + Zn(NO3)2 = ZnBr2 + AgNO3 =>
2 AgBr + Zn(NO3)2 = ZnBr2 + 2 AgNO3
K2CrO4 + HCl = CrCl3 + HClO2 + H2O + KCl =>
4 K2CrO4 + 23 HCl = 4 CrCl3 + 3 HClO2 + 10 H2O + 8 KCl
Ca(NO2)2 + Al(OH)3 = Al(NO2)3 + Ca(OH)2 =>
3 Ca(NO2)2 + 2 Al(OH)3 = 2 Al(NO2)3 + 3 Ca(OH)2
CN{-} + SO = CNO{-} + CNS{-} =>
2 CN{-} + SO = CNO{-} + CNS{-}
Na2SO4 + BaO = BaSO4 + Na2O =>
Na2SO4 + BaO = BaSO4 + Na2O
NiSO4 + ZnCl2 = NiCl2 + ZnSO4 =>
NiSO4 + ZnCl2 = NiCl2 + ZnSO4
K2CO3 = K2O + CO2 =>
K2CO3 = K2O + CO2
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Équations équilibrées sur06/14/24
Équations équilibrées sur07/14/23
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