| Équations équilibrées la veille |
Pb2 + 4 HCl = 2 PbCl2 + 4 H
Zn + Sb2(CO3)3 = ZnCO3 + Sb =>
3 Zn + Sb2(CO3)3 = 3 ZnCO3 + 2 Sb
Na2CO3 + CaCl2 = Na2Cl2 + CaCO3 =>
Na2CO3 + CaCl2 = Na2Cl2 + CaCO3
Zn + Fe(SO4)2 = ZnSO4 + Fe =>
2 Zn + Fe(SO4)2 = 2 ZnSO4 + Fe
HBr + Zn(OH)2 = HOH + Zn(Br)2 =>
2 HBr + Zn(OH)2 = 2 HOH + Zn(Br)2
N4S4 + KOH + H2O = K2SO3 + K2O3S3 + NH3 =>
2 N4S4 + 12 KOH + 6 H2O = 5 K2SO3 + K2O3S3 + 8 NH3
H2S2O7 + U(OH)5 = H2O + U2(S2O7)5 =>
5 H2S2O7 + 2 U(OH)5 = 10 H2O + U2(S2O7)5
K2 + MgBr2 = K2Br2 + Mg =>
K2 + MgBr2 = K2Br2 + Mg
NiCO3 + HClO4 = Ni(ClO4)2 + H2O + CO2 =>
NiCO3 + 2 HClO4 = Ni(ClO4)2 + H2O + CO2
C6H7N + O2 = CO2 + H2O + HNO3 =>
C6H7N + 9 O2 = 6 CO2 + 3 H2O + HNO3
NaHCO3 + FeN = Na3N + Fe(HCO3)3 =>
3 NaHCO3 + FeN = Na3N + Fe(HCO3)3
O2 + C14H10 = CO2 + H2O =>
33 O2 + 2 C14H10 = 28 CO2 + 10 H2O
P3Cl5 = P + Cl2 =>
2 P3Cl5 = 6 P + 5 Cl2
TiN + H2O2 + NH3 = TiNO3 + NH4OH =>
TiN + 3 H2O2 + 3 NH3 = TiNO3 + 3 NH4OH
Pb(No3)2 + NH4I = PbI + NH4(No3)2 =>
Pb(No3)2 + NH4I = PbI + NH4(No3)2
CH3CH2COOCH3 + CH3CH2OH = CH3CH2COOCH2CH3 + CH3OH =>
CH3CH2COOCH3 + CH3CH2OH = CH3CH2COOCH2CH3 + CH3OH
CdCl2 + H2S = CdS + HCl =>
CdCl2 + H2S = CdS + 2 HCl
HF + Tc2O7 = TcO3F + H3O{+} + HF2{-} =>
4 HF + Tc2O7 = 2 TcO3F + H3O{+} + HF2{-}
ClO + H2O = HClO2 + HCl =>
4 ClO + 2 H2O = 3 HClO2 + HCl
C(s) + KNO3(aq) = K2CO3(aq) + CO2(g) + N2(g) =>
5 C(s) + 4 KNO3(aq) = 2 K2CO3(aq) + 3 CO2(g) + 2 N2(g)
K3[Fe(CN)6] + FeCl2 = Fe3[Fe(CN)6]2 + KCl =>
2 K3[Fe(CN)6] + 3 FeCl2 = Fe3[Fe(CN)6]2 + 6 KCl
Pb + KCN = Pb(CN) + K =>
Pb + KCN = Pb(CN) + K
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Mg + FeSO4 = MgO4 + FeS =>
Mg + FeSO4 = MgO4 + FeS
K2S + CdCl2 = KCl + CdS =>
K2S + CdCl2 = 2 KCl + CdS
MgO + SiO2 = MgSiO3 =>
MgO + SiO2 = MgSiO3
Cu(NO3)2 + NO + H2O + S = HNO3 + CuS =>
3 Cu(NO3)2 + 2 NO + 4 H2O + 3 S = 8 HNO3 + 3 CuS
C8H7ClO + NaOH + Cl = C7H7ClO2 + CHCl3 + Na =>
C8H7ClO + NaOH + 3 Cl = C7H7ClO2 + CHCl3 + Na
C6H13Br + NH3 = C6H13NH2 + HBr =>
C6H13Br + NH3 = C6H13NH2 + HBr
C3H5 + NH3 + O2 = C3H3N + H2O =>
4 C3H5 + 4 NH3 + 5 O2 = 4 C3H3N + 10 H2O
Zn(H2PO4)2 + NaOH = Zn3(PO4)2 + NaH2PO4 + H2O =>
3 Zn(H2PO4)2 + 4 NaOH = Zn3(PO4)2 + 4 NaH2PO4 + 4 H2O
C34H3 + O2 = H2O3 + C2O2 =>
4 C34H3 + 77 O2 = 6 H2O3 + 68 C2O2
H + ClO2 = H2O + Cl2 =>
8 H + 2 ClO2 = 4 H2O + Cl2
CuCl2*H2O + Al = Cu + AlCl + H2O =>
CuCl2*H2O + 2 Al = Cu + 2 AlCl + H2O
Cd(NO3)2 + HgCl2 = CdCl2 + Hg(NO3)2 =>
Cd(NO3)2 + HgCl2 = CdCl2 + Hg(NO3)2
Mg + FeSO4 = MgO4 + FeS =>
Mg + FeSO4 = MgO4 + FeS
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
MgO2 + HCl = Mg(OH)2 + Cl2 =>
MgO2 + 2 HCl = Mg(OH)2 + Cl2
Ba + Ca(SO3) = Ba2(SO3)2 + Ca2 =>
2 Ba + 2 Ca(SO3) = Ba2(SO3)2 + Ca2
PbO + C = Pb + CO2 =>
2 PbO + C = 2 Pb + CO2
HClO4 + Cd(OH)2 = Cd(OH)ClO4 + H2O =>
HClO4 + Cd(OH)2 = Cd(OH)ClO4 + H2O
AgNO3(ac) + H2SO4(ac) = Ag2SO4(s) + HNO3(ac) =>
2 AgNO3(ac) + H2SO4(ac) = Ag2SO4(s) + 2 HNO3(ac)
Hg2(NO3)2 + KBr = HgBr + KNO3 =>
Hg2(NO3)2 + 2 KBr = 2 HgBr + 2 KNO3
Na2O + HNO3 = Na2(NO3)2 + H2O =>
Na2O + 2 HNO3 = Na2(NO3)2 + H2O
KMnO4 + NaCN + H2O = NaCNO + MnO + KOH =>
2 KMnO4 + 5 NaCN + H2O = 5 NaCNO + 2 MnO + 2 KOH
Ge + HNO3 = Ge(NO3)4 + H2 =>
Ge + 4 HNO3 = Ge(NO3)4 + 2 H2
Mg + FeSO4 = MgO4 + FeS =>
Mg + FeSO4 = MgO4 + FeS
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Mg + FeSO4 = MgO4 + FeS =>
Mg + FeSO4 = MgO4 + FeS
Zn + Cu(NO3)2(aq) = Cu + Zn(NO3)2(aq) =>
Zn + Cu(NO3)2(aq) = Cu + Zn(NO3)2(aq)
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Équations équilibrées sur12/15/24
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