| Équations équilibrées la veille |
Na2Co3 + 2 HCl = 2 NaCl + H2Co3
C6H9OH + O2 = C02 + H2O =>
C6H9OH + 2 O2 = 3 C02 + 5 H2O
CH3COONa + HNO3 = NaNO3 + CH3COOH =>
CH3COONa + HNO3 = NaNO3 + CH3COOH
FeO4{2-} + e + H{+} = Fe{3+} + H2O =>
FeO4{2-} + 3e + 8 H{+} = Fe{3+} + 4 H2O
CoCl2*6H2O + HCl + H2NCH2CH2NH2 + H2O2 = [Co(H2NCH2CH2NH2)2Cl2]Cl + H2O =>
2 CoCl2*6H2O + 2 HCl + 4 H2NCH2CH2NH2 + H2O2 = 2[Co(H2NCH2CH2NH2)2Cl2]Cl + 14 H2O
SnCl2 + (NH4)2S = SnS + ClNH4 =>
SnCl2 + (NH4)2S = SnS + 2 ClNH4
K2Br + CaS = CaBr + K2S =>
K2Br + CaS = CaBr + K2S
(NH4)2SO3 + HNO3 = (NH4)HNO3 + SO3 =>
(NH4)2SO3 + 2 HNO3 = 2(NH4)HNO3 + SO3
CUO + HN3 = CU + N2 + H2O =>
CUO + 2 HN3 = CU + 3 N2 + H2O
Ba + H2SO4 = BaSO4 + H2 =>
Ba + H2SO4 = BaSO4 + H2
Li2SO4 + MgCl2 = LiCl + MgSO4 =>
Li2SO4 + MgCl2 = 2 LiCl + MgSO4
Zn + HNO3 = Zn(NO3)2 + H2O + NO =>
3 Zn + 8 HNO3 = 3 Zn(NO3)2 + 4 H2O + 2 NO
P4O6 + Br2 = P2Br4 + P4O10 =>
5 P4O6 + 8 Br2 = 4 P2Br4 + 3 P4O10
Co3O4 + C = Co + CO2 =>
Co3O4 + 2 C = 3 Co + 2 CO2
H2O(g) + K(s) = HK(aq) + O2(g) =>
2 H2O(g) + 4 K(s) = 4 HK(aq) + O2(g)
MgS + Na3P = Mg3P2 + Na2S =>
3 MgS + 2 Na3P = Mg3P2 + 3 Na2S
Cu2O + AlP = Cu3P + Al2O3 =>
3 Cu2O + 2 AlP = 2 Cu3P + Al2O3
F2 + NaOH = NaF2 + O2 + H2O =>
4 F2 + 4 NaOH = 4 NaF2 + O2 + 2 H2O
C17H29COOH + H2 = C17H33COOH =>
C17H29COOH + 2 H2 = C17H33COOH
NaClO + CO2 = Na2CO3 + Cl + O2 =>
4 NaClO + 2 CO2 = 2 Na2CO3 + 4 Cl + O2
Cu(OH)2 + Mg(NO3)2 = Cu(NO3)2 + Mg(OH)2 =>
Cu(OH)2 + Mg(NO3)2 = Cu(NO3)2 + Mg(OH)2
H{+} + MnO4{-} + C6H12O6 = Mn{+2} + CO2 + H2O =>
72 H{+} + 24 MnO4{-} + 5 C6H12O6 = 24 Mn{+2} + 30 CO2 + 66 H2O
Se + H2O + HNO3 = H2SeO3 + NO =>
3 Se + H2O + 4 HNO3 = 3 H2SeO3 + 4 NO
HClO3 + AgNO3 = AgCl + HNO3 + O2 =>
2 HClO3 + 2 AgNO3 = 2 AgCl + 2 HNO3 + 3 O2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
FeCl3 + K2NO3 = Fe2(NO3)3 + KCl =>
2 FeCl3 + 3 K2NO3 = Fe2(NO3)3 + 6 KCl
Pb + Br2 = PbBr =>
2 Pb + Br2 = 2 PbBr
Pb(CH3COO)2 + KI = PbI2 + KCH3COO =>
Pb(CH3COO)2 + 2 KI = PbI2 + 2 KCH3COO
MnSO4H2O + H3PO4 = MnH4(PO4)2 + H2SO4 + H2O =>
MnSO4H2O + 2 H3PO4 = MnH4(PO4)2 + H2SO4 + H2O
CH3CH2CHOH + O2 = H2O + CO2 =>
4 CH3CH2CHOH + 17 O2 = 14 H2O + 12 CO2
Ba(OH)2 + SiO2 = H2O + BaSiO3 =>
Ba(OH)2 + SiO2 = H2O + BaSiO3
MnSO4 + H2S = MnS + H2O + S =>
MnSO4 + 4 H2S = MnS + 4 H2O + 4 S
Zn(OH)2 + Na2SO4 = NaOH + ZnSO4 =>
Zn(OH)2 + Na2SO4 = 2 NaOH + ZnSO4
C27H46O + Br2 = C27H46OBr2 =>
C27H46O + Br2 = C27H46OBr2
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
Zn(OH)2Fe = ZnFe(OH)2 =>
Zn(OH)2Fe = ZnFe(OH)2
Ca2 + NaCl = CaCl2 + Na =>
Ca2 + 4 NaCl = 2 CaCl2 + 4 Na
N2H2 = NH3 + N2 =>
3 N2H2 = 2 NH3 + 2 N2
H2CO3 + NaCl = Na2CO3 + HCl =>
H2CO3 + 2 NaCl = Na2CO3 + 2 HCl
Ni(OH)2 + H2SO4 = NiSO4 + H2O =>
Ni(OH)2 + H2SO4 = NiSO4 + 2 H2O
C6H6COONa + NaOH = C6H6 + Na2CO3 + H2O =>
30 C6H6COONa + 18 NaOH = 31 C6H6 + 24 Na2CO3 + 6 H2O
Na2Cr2O7 + NaOH = Na2CrO4 + HOH =>
Na2Cr2O7 + 2 NaOH = 2 Na2CrO4 + HOH
C8H17Br + NaN3 = C8H17N3 + NaBr =>
C8H17Br + NaN3 = C8H17N3 + NaBr
HCl + Na2CO3 = CO2 + H2O + NaCl =>
2 HCl + Na2CO3 = CO2 + H2O + 2 NaCl
HNO3 + Mg = N2 + Mg(NO3)2 + H2O =>
12 HNO3 + 5 Mg = N2 + 5 Mg(NO3)2 + 6 H2O
HNO3 + H4OH = H2O + HN4NO3 =>
15 HNO3 + 20 H4OH = 56 H2O + 3 HN4NO3
CU + NaOH = CU(NaOH) =>
CU + NaOH = CU(NaOH)
H4C2O2 + KOH = CH3CO2K + H2O =>
H4C2O2 + KOH = CH3CO2K + H2O
HNO4 + Na2CO3 = NaNO4 + H2O + CO2 =>
2 HNO4 + Na2CO3 = 2 NaNO4 + H2O + CO2
WO3 + C = W + CO2 =>
2 WO3 + 3 C = 2 W + 3 CO2
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Équations équilibrées sur12/23/24
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