| Équations équilibrées la veille |
K2[HgCl4] + 4 KCN = K2[Hg(CN)4] + 4 KCl
Sb2S3 + HCl + HNO3 = H[SbCl6] + H2SO4 + NO + H2O =>
3 Sb2S3 + 36 HCl + 28 HNO3 = 6 H[SbCl6] + 9 H2SO4 + 28 NO + 20 H2O
ZnBr + HgCl = ZnCl + HgBr =>
ZnBr + HgCl = ZnCl + HgBr
KMnO4 + Fe + HCl = MnCl2 + FeCl3 + HOH + KCl =>
3 KMnO4 + 5 Fe + 24 HCl = 3 MnCl2 + 5 FeCl3 + 12 HOH + 3 KCl
NaI + Br2 = IBr + Na =>
2 NaI + Br2 = 2 IBr + 2 Na
SeO + H2O = H2Se2O3 =>
2 SeO + H2O = H2Se2O3
C2H6O + K2Cr2O7 + H2SO4 = C2H4O2 + Cr2(SO4)2 + K2SO4 + H2O =>
2 C2H6O + K2Cr2O7 + 3 H2SO4 = 2 C2H4O2 + Cr2(SO4)2 + K2SO4 + 5 H2O
Fe2 + CuSO4 = Cu + FeSO4 =>
Fe2 + 2 CuSO4 = 2 Cu + 2 FeSO4
Ca(NO3)2 + Na2CO3 = CaCO3 + NaNO3 =>
Ca(NO3)2 + Na2CO3 = CaCO3 + 2 NaNO3
Si(OH)4 = Si + (OH) =>
Si(OH)4 = Si + 4(OH)
Cu + SO2 = Cu2S + O2 =>
2 Cu + SO2 = Cu2S + O2
LiClO3(s) = LiCl(s) + O2(g) =>
2 LiClO3(s) = 2 LiCl(s) + 3 O2(g)
Hg + HNO3 = Hg(NO3)2 + NO2 + HOH =>
Hg + 4 HNO3 = Hg(NO3)2 + 2 NO2 + 2 HOH
Si + H2 = SiH2 =>
Si + H2 = SiH2
HClO2 = H2 + Cl2 + O2 =>
2 HClO2 = H2 + Cl2 + 2 O2
Si2H2 + O2 = SiO2 + H2O =>
2 Si2H2 + 5 O2 = 4 SiO2 + 2 H2O
Si2H3 + O2 = SiO2 + H2O3 =>
4 Si2H3 + 17 O2 = 8 SiO2 + 6 H2O3
SiF4(s) + NaOH(aq) = Na4SiO4(s) + NaF(aq) + H2O(l) =>
SiF4(s) + 8 NaOH(aq) = Na4SiO4(s) + 4 NaF(aq) + 4 H2O(l)
MnI2 + Br2 = I2 + MnBr2 =>
MnI2 + Br2 = I2 + MnBr2
MnO2 + HBr + H2SO4 = MnSO4 + Br2 + H2O =>
MnO2 + 2 HBr + H2SO4 = MnSO4 + Br2 + 2 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
SiO3 + Al = Si + Al2O3 =>
SiO3 + 2 Al = Si + Al2O3
Sm + HNO3 = SmO2 + NO2 + H2O =>
Sm + 4 HNO3 = SmO2 + 4 NO2 + 2 H2O
Sn(s) + HCl(aq) = SnCl2(aq) + H2(g) =>
Sn(s) + 2 HCl(aq) = SnCl2(aq) + H2(g)
C6H5Cl + Br2 = C6H4BrCl + HBr =>
C6H5Cl + Br2 = C6H4BrCl + HBr
Sn + Mg(NO3)2 = Sn(NO3) + Mg =>
2 Sn + Mg(NO3)2 = 2 Sn(NO3) + Mg
Cu + Br{2+} = CuBr{2+} =>
Cu + Br{2+} = CuBr{2+}
NaClO + MnSO4 + H2O = MnO2 + H2SO4 + NaCl =>
NaClO + MnSO4 + H2O = MnO2 + H2SO4 + NaCl
Sn + NaOH + H2O = Na(Sn(OH)2) + H2 =>
2 Sn + 2 NaOH + 2 H2O = 2 Na(Sn(OH)2) + H2
AgNO3 + NH4OH = AgOH + NH4NO3 =>
AgNO3 + NH4OH = AgOH + NH4NO3
SnBr2 + Cl2 = SnCl2 + Br =>
SnBr2 + Cl2 = SnCl2 + 2 Br
SnCl2 + KMnO4 + H2SO4 = Sn(SO4)2 + SnCl4 + MnCl2 + KCl + H2O =>
5 SnCl2 + 2 KMnO4 + 8 H2SO4 = 4 Sn(SO4)2 + SnCl4 + 2 MnCl2 + 2 KCl + 8 H2O
SnCl2 + HgCl2 = SnCl4 + HgCl =>
SnCl2 + 2 HgCl2 = SnCl4 + 2 HgCl
SnCl4 + NH4OH = SnOH + NH4Cl4 =>
SnCl4 + NH4OH = SnOH + NH4Cl4
C6H14 + O2 = C6H13 + H2O =>
4 C6H14 + O2 = 4 C6H13 + 2 H2O
SnS2 + (NH4)2S2 = (NH4)2SnS3 + S =>
SnS2 + (NH4)2S2 = (NH4)2SnS3 + S
Mg(O2H2) + HNO3 = Mg(NO3)2 + H2O =>
Mg(O2H2) + 2 HNO3 = Mg(NO3)2 + 2 H2O
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Sr(NO3)2 + K2C2O4 = SrC2O4 + K2(NO3)2 =>
Sr(NO3)2 + K2C2O4 = SrC2O4 + K2(NO3)2
CU(NO3)2 = CUO + NO + O2 =>
2 CU(NO3)2 = 2 CUO + 4 NO + 3 O2
HCN + Al = AlCN + H2 =>
2 HCN + 2 Al = 2 AlCN + H2
N2H4 + (CH3)2CO = (CH3)2CNNC(CH3)2 + H2O =>
N2H4 + 2(CH3)2CO = (CH3)2CNNC(CH3)2 + 2 H2O
Sr(OH)2 + Al2(SO4)3 = Sr(SO4) + Al(OH)3 =>
3 Sr(OH)2 + Al2(SO4)3 = 3 Sr(SO4) + 2 Al(OH)3
P4 + KClO + H2O = H3PO4 + KCl =>
P4 + 10 KClO + 6 H2O = 4 H3PO4 + 10 KCl
H2O2 + Br2 = BrO3{-} + H2O + H{+} =>
5 H2O2 + Br2 = 2 BrO3{-} + 4 H2O + 2 H{+}
Fe3 + HCl = FeHCl3 + H2 =>
Fe3 + 9 HCl = 3 FeHCl3 + 3 H2
Sr + H3PO4 = Sr(H2PO4)2 + H2 =>
Sr + 2 H3PO4 = Sr(H2PO4)2 + H2
Fe + K4Fe(CN)6 = FeCN + KFe =>
9 Fe + K4Fe(CN)6 = 6 FeCN + 4 KFe
Cu + Br{2+} = CuBr{2+} =>
Cu + Br{2+} = CuBr{2+}
V(OH)4 + HCl = VCl4 + H2O =>
V(OH)4 + 4 HCl = VCl4 + 4 H2O
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Équations équilibrées sur01/29/25
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