| Équations équilibrées la veille |
2 C196H310O125N + 422 O2 = 392 CO2 + 310 H2O + N2
CuI + Cl2 = CuCl2 + I2 =>
2 CuI + 2 Cl2 = 2 CuCl2 + I2
Na(Cr) + Cl2(g) = NaCl(Cr) =>
2 Na(Cr) + Cl2(g) = 2 NaCl(Cr)
Si + S = Si2S4 =>
2 Si + 4 S = Si2S4
MgCl2 + Fe(OH)3 = Mg(OH)2 + FeCl3 =>
3 MgCl2 + 2 Fe(OH)3 = 3 Mg(OH)2 + 2 FeCl3
MgO + Al2O3 = Al2MgO4 =>
MgO + Al2O3 = Al2MgO4
Fe + CuS = Fe2S3 + Cu =>
2 Fe + 3 CuS = Fe2S3 + 3 Cu
BeCO3 + H3PO4 = H2CO3 + Be3(PO4)2 =>
3 BeCO3 + 2 H3PO4 = 3 H2CO3 + Be3(PO4)2
C16H8 + O2 = CO2 + H2O =>
C16H8 + 18 O2 = 16 CO2 + 4 H2O
ZnS(aq) + HCl(aq) = ZnCl2(aq) + H2S(g) =>
ZnS(aq) + 2 HCl(aq) = ZnCl2(aq) + H2S(g)
NO3{-} + Zn + OH{-} = NH3 + ZnO2{2-} + H2O =>
NO3{-} + 4 Zn + 7 OH{-} = NH3 + 4 ZnO2{2-} + 2 H2O
MgCO3 + CaCO3 = MgCa + CO3 =>
MgCO3 + CaCO3 = MgCa + 2 CO3
C5H11Cl + O2 = CO2 + H2O + Cl2 =>
4 C5H11Cl + 31 O2 = 20 CO2 + 22 H2O + 2 Cl2
ZnCl2 + K4Fe(CN)6 = Zn2Fe(CN)6 + KCl =>
2 ZnCl2 + K4Fe(CN)6 = Zn2Fe(CN)6 + 4 KCl
KNO3 + NaHCO3 = NaNO3 + K2CO3 + H2O + CO2 =>
2 KNO3 + 2 NaHCO3 = 2 NaNO3 + K2CO3 + H2O + CO2
Cu(NO3)2 + KI = CuI + KI3 + KNO3 =>
2 Cu(NO3)2 + 5 KI = 2 CuI + KI3 + 4 KNO3
Fe(SO4) + HNO3 + H2SO4 = Fe2(SO4)3 + H2O + NO2 =>
2 Fe(SO4) + 2 HNO3 + H2SO4 = Fe2(SO4)3 + 2 H2O + 2 NO2
CuCO3*Cu(OH)2(s) = CuO(s) + H2O(g) + CO2(g) =>
CuCO3*Cu(OH)2(s) = 2 CuO(s) + H2O(g) + CO2(g)
Na2S + H2O = NaHS + NaOH =>
Na2S + H2O = NaHS + NaOH
Cl2(g) + HgO(s) = HgCl2(s) + ClO2(g) =>
5 Cl2(g) + 4 HgO(s) = 4 HgCl2(s) + 2 ClO2(g)
Ru + KNO3 + KOH = K2RuO4 + KNO2 + H2O =>
Ru + 3 KNO3 + 2 KOH = K2RuO4 + 3 KNO2 + H2O
Na2S + Na2AsO4 + HCl = As2S3 + S + NaCl + H2O =>
6 Na2S + 2 Na2AsO4 + 16 HCl = As2S3 + 3 S + 16 NaCl + 8 H2O
Cu(OH)2 + HBr = CuBr2 + H2O =>
Cu(OH)2 + 2 HBr = CuBr2 + 2 H2O
MgO + Fe2S3 = MgS + Fe2O3 =>
3 MgO + Fe2S3 = 3 MgS + Fe2O3
KI + H2SO4 = HI + K2SO4 =>
2 KI + H2SO4 = 2 HI + K2SO4
K2SO3 + HF = KF + SO2 + H2O =>
K2SO3 + 2 HF = 2 KF + SO2 + H2O
MnCl2 + KClO3 + KOH = KCl + MnO4 + H2O =>
MnCl2 + KClO3 + 2 KOH = 3 KCl + MnO4 + H2O
NaMnO4 + Ca = Ca(MnO4)2 + Na =>
2 NaMnO4 + Ca = Ca(MnO4)2 + 2 Na
C3H7CN + H2 = C3H8 + HCN =>
C3H7CN + H2 = C3H8 + HCN
F2 = F =>
F2 = 2 F
Zn + Pb(NO3) = Zn(NO3)2 + Pb2 =>
Zn + 2 Pb(NO3) = Zn(NO3)2 + Pb2
Ca(No3)2 + MgCl2 = CaCl2 + Mg(No3)2 =>
Ca(No3)2 + MgCl2 = CaCl2 + Mg(No3)2
KI + (NH4)2Cr2O7 + H2SO4 = I2 + Cr2(SO4)3 + KOH + NH3 + H2O =>
6 KI + (NH4)2Cr2O7 + 3 H2SO4 = 3 I2 + Cr2(SO4)3 + 6 KOH + 2 NH3 + H2O
Cu + FeCl3 = Cu(Cl3)2 + Fe =>
Cu + 2 FeCl3 = Cu(Cl3)2 + 2 Fe
I2 + Br2 = IBr =>
I2 + Br2 = 2 IBr
CaCrO4 + HC2H3O2 = Ca + Cr2O7 + C2H3O2 + H2O =>
2 CaCrO4 + 2 HC2H3O2 = 2 Ca + Cr2O7 + 2 C2H3O2 + H2O
C10H16 + H2O = C10H17 + OH =>
C10H16 + H2O = C10H17 + OH
CH3COOH(aq) + K2CO3(aq) = H2O(l) + CO2(g) + KCH3COO(aq) =>
2 CH3COOH(aq) + K2CO3(aq) = H2O(l) + CO2(g) + 2 KCH3COO(aq)
Zn + K2Cr2O7 + HCl = ZnCl2 + KCl + Cr2O3 + H2O =>
3 Zn + K2Cr2O7 + 8 HCl = 3 ZnCl2 + 2 KCl + Cr2O3 + 4 H2O
Zn + MnO2 + NH4Cl = ZnCl2 + Mn2O3 + NH3 + H2O =>
Zn + 2 MnO2 + 2 NH4Cl = ZnCl2 + Mn2O3 + 2 NH3 + H2O
Ca(ClO3)2 + KCl = KClO3 + CaCl2 =>
Ca(ClO3)2 + 2 KCl = 2 KClO3 + CaCl2
NH3 + H2 = NH4 =>
2 NH3 + H2 = 2 NH4
CH3CH2COOH + Cl2 = CH3CHClCOOH + HCl =>
CH3CH2COOH + Cl2 = CH3CHClCOOH + HCl
C2H5COOH + Mg = (C2H5COO)2Mg + H2 =>
2 C2H5COOH + Mg = (C2H5COO)2Mg + H2
CrCl2 + Li2CO3 = CrCO3 + LiCl =>
CrCl2 + Li2CO3 = CrCO3 + 2 LiCl
P4(s) + H2(g) = PH3(g) =>
P4(s) + 6 H2(g) = 4 PH3(g)
P + KOH + H2O = KH3PO2 = PH3 =>
P + KOH + H2O = KH3PO2
H3PO4 + NaI = HI + Na3PO4 =>
H3PO4 + 3 NaI = 3 HI + Na3PO4
C3H7COOH + C3H7OH = C7H14O2 + H2O =>
C3H7COOH + C3H7OH = C7H14O2 + H2O
Pb(s) + O2 = PbO(s) =>
2 Pb(s) + O2 = 2 PbO(s)
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