| Équations équilibrées la veille |
2 HNO3 + (NH4)2SO4 + 2 KOH = 2 NH4NO3 + K2SO4 + 2 H2O
MnO2 + K2SO3 + H2SO4 = Mn2(SO4)3 + K2SO4 + H2O =>
2 MnO2 + K2SO3 + 3 H2SO4 = Mn2(SO4)3 + K2SO4 + 3 H2O
HNO3 + Ba = Ba(NO3)2 + H2 =>
2 HNO3 + Ba = Ba(NO3)2 + H2
NaCl + F3 = NaF3 + Cl2 =>
2 NaCl + 2 F3 = 2 NaF3 + Cl2
C4H10 + O2 = CO + H2 =>
C4H10 + 2 O2 = 4 CO + 5 H2
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
FeS2AuO = FeAuS2O =>
FeS2AuO = FeAuS2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
CO3{2-} + PB{2-} = CB{2-} + PO3{2-} =>
CO3{2-} + PB{2-} = CB{2-} + PO3{2-}
ZnO + HCl = ZnCl2 + H2O = =>
ZnO + 2 HCl = ZnCl2 + H2O
CuCl = Cu + CuCl2 =>
2 CuCl = Cu + CuCl2
Pb(NO3)2HBr = PbBr(NO3)2H =>
Pb(NO3)2HBr = PbBr(NO3)2H
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
PbCl4 + Na = PbCl2 + NaCl =>
PbCl4 + 2 Na = PbCl2 + 2 NaCl
Mg + P = Mg3P2 =>
3 Mg + 2 P = Mg3P2
HClO + H2S = Cl2 + S + H2O =>
2 HClO + H2S = Cl2 + S + 2 H2O
NaCl + F3 = NaF3 + Cl2 =>
2 NaCl + 2 F3 = 2 NaF3 + Cl2
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
CrSO4 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + K2SO4 =>
6 CrSO4 + K2Cr2O7 + 7 H2SO4 = 4 Cr2(SO4)3 + 7 H2O + K2SO4
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Pb + Cu(NO3)2 = Pb(NO3)2 + Cu =>
Pb + Cu(NO3)2 = Pb(NO3)2 + Cu
Na2OBeO = Na2BeO2 =>
Na2OBeO = Na2BeO2
Mn21 = Mn14 =>
2 Mn21 = 3 Mn14
H2SO4 + K3(Fe(CN)6) = (Fe(CN)6)2 + K2SO4 + H2 =>
3 H2SO4 + 2 K3(Fe(CN)6) = (Fe(CN)6)2 + 3 K2SO4 + 3 H2
FeSO4 + KMnO4 + H2O = Fe(OH)3 + K2SO4 + MnO2 + Fe2(SO4)3 =>
18 FeSO4 + 6 KMnO4 + 12 H2O = 8 Fe(OH)3 + 3 K2SO4 + 6 MnO2 + 5 Fe2(SO4)3
Mn{2+} + H2O2 = MnO2 + H{+} =>
Mn{2+} + H2O2 = MnO2 + 2 H{+}
MgSO4(aq) + NaOH = Mg(OH)2 + Na2SO4 =>
MgSO4(aq) + 2 NaOH = Mg(OH)2 + Na2SO4
CH3CH2OH + KMnO4 = H2O + CH3CHO + MnO2 + KOH =>
3 CH3CH2OH + 2 KMnO4 = 2 H2O + 3 CH3CHO + 2 MnO2 + 2 KOH
KI(aq) + Pb(NO3)2 = KNO3(aq) + PbI2(s) =>
2 KI(aq) + Pb(NO3)2 = 2 KNO3(aq) + PbI2(s)
Ni(s) + CuBr2(aq) = NiBr2(aq) + Cu(s) =>
Ni(s) + CuBr2(aq) = NiBr2(aq) + Cu(s)
Fe203 + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe203 + 609 H2SO4 = 203 Fe2(SO4)3 + 609 H2
Cu(NH3)4SO4 + CH3CH2OH = CH3CH2NH2 + CuSO4 + H2O =>
Cu(NH3)4SO4 + 4 CH3CH2OH = 4 CH3CH2NH2 + CuSO4 + 4 H2O
CuCl = Cu + CuCl2 =>
2 CuCl = Cu + CuCl2
C4H10 + KMnO4 = CO2 + H2O + K + Mn =>
4 C4H10 + 13 KMnO4 = 16 CO2 + 20 H2O + 13 K + 13 Mn
Zn + HCI = ZnCI + H2 =>
2 Zn + 2 HCI = 2 ZnCI + H2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CH3CH2OH + KMnO4 = H2O + CH3CHO + MnO2 + KOH =>
3 CH3CH2OH + 2 KMnO4 = 2 H2O + 3 CH3CHO + 2 MnO2 + 2 KOH
CuSO4(l) + Na2SiO3(aq) = CuSiO3 + Na2SO4 =>
CuSO4(l) + Na2SiO3(aq) = CuSiO3 + Na2SO4
CaCO3 + HC1 = CaC + CO2 + H2O =>
5 CaCO3 + 6 HC1 = 5 CaC + 6 CO2 + 3 H2O
CH3CH2OH + KMnO4 = H2O + CH3CHO + MnO2 + KOH =>
3 CH3CH2OH + 2 KMnO4 = 2 H2O + 3 CH3CHO + 2 MnO2 + 2 KOH
Hg(NO3)2 + NaOH = Hg(OH)2 + NaNO3 =>
Hg(NO3)2 + 2 NaOH = Hg(OH)2 + 2 NaNO3
CaP + K = KP + Ca =>
CaP + K = KP + Ca
KMnO4 + NH3 = KNO3 + MnO2 + KOH + H2O =>
8 KMnO4 + 3 NH3 = 3 KNO3 + 8 MnO2 + 5 KOH + 2 H2O
(NH4)2SO3 + KCO3 = (NH4)2KCO3 + SO3 =>
(NH4)2SO3 + KCO3 = (NH4)2KCO3 + SO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Na2SO4 + HOH = Na(OH) + H2SO4 =>
Na2SO4 + 2 HOH = 2 Na(OH) + H2SO4
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Équations équilibrées sur11/16/24
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