| Équations équilibrées la veille |
3 C30H120O40N40 = 40 HNO3 + 90 C + 40 H2 + 80 NH3
C24H66S6N4O12 + O2 = CO2 + H2O + SO2 + NO2 =>
2 C24H66S6N4O12 + 89 O2 = 48 CO2 + 66 H2O + 12 SO2 + 8 NO2
MgF2 + Li2CO3 = MgCO3 + LiF =>
MgF2 + Li2CO3 = MgCO3 + 2 LiF
Fe + Cu(NO3)2 = NO3 + CuFe2 =>
2 Fe + Cu(NO3)2 = 2 NO3 + CuFe2
Cu + HNO3(p) = Cu(NO3)2 + N2O + H2O =>
4 Cu + 10 HNO3(p) = 4 Cu(NO3)2 + N2O + 5 H2O
S + Co2 = Co2S3 =>
3 S + Co2 = Co2S3
PbO4(s) = Pb4(s) + O2(g) =>
4 PbO4(s) = Pb4(s) + 8 O2(g)
PbF2 + NaOH = Pb(OH)2 + NaF(aq) =>
PbF2 + 2 NaOH = Pb(OH)2 + 2 NaF(aq)
NH3 + Na2CO3 + C = NaCN + H2O =>
2 NH3 + Na2CO3 + C = 2 NaCN + 3 H2O
N2 + F2 = NF3 =>
N2 + 3 F2 = 2 NF3
NH3 + HClO = N2 + HCl + H2O =>
2 NH3 + 3 HClO = N2 + 3 HCl + 3 H2O
Al(OH)3(aq) + H2SO4(aq) = Al2(SO4)3(aq) + H2O(ll) =>
2 Al(OH)3(aq) + 3 H2SO4(aq) = Al2(SO4)3(aq) + 6 H2O(ll)
SrF2 + O2 = SrO + F2 =>
2 SrF2 + O2 = 2 SrO + 2 F2
FeB2 + O2 = B2 + Fe2O2 =>
2 FeB2 + O2 = 2 B2 + Fe2O2
H3BO3 + OH{-} = BO3{-3} + H2O =>
H3BO3 + 3 OH{-} = BO3{-3} + 3 H2O
MnO4{-} + HCN + I{-} + H{+} = Mn{2+} + ICN + H2O =>
2 MnO4{-} + 5 HCN + 5 I{-} + 11 H{+} = 2 Mn{2+} + 5 ICN + 8 H2O
CH3C4H5 + O2 = CO2 + H2O =>
CH3C4H5 + 7 O2 = 5 CO2 + 4 H2O
Ba(NO3)2 + (NH4)2SO4 = BaSO4 + (NH4)2 + (NO3)2 =>
Ba(NO3)2 + (NH4)2SO4 = BaSO4 + (NH4)2 + (NO3)2
CH3NH3Cl + O2 = CH3NH2Cl + H2O =>
4 CH3NH3Cl + O2 = 4 CH3NH2Cl + 2 H2O
CH4N2S + O2 = CO2 + SO2 + N2 + H2O =>
CH4N2S + 3 O2 = CO2 + SO2 + N2 + 2 H2O
Cs2O2 = CsO =>
Cs2O2 = 2 CsO
Au(s) + KNO3(aq) = K + AuNO3 =>
Au(s) + KNO3(aq) = K + AuNO3
CuCl2 + KOH = Cu(OH)2 + K + Cl2 =>
CuCl2 + 2 KOH = Cu(OH)2 + 2 K + Cl2
C10H14N2Na2O8*2H2O + ZnO = C10H12N2Na2O8Zn + H2O =>
C10H14N2Na2O8*2H2O + ZnO = C10H12N2Na2O8Zn + 3 H2O
Y + S = Y2S3 =>
2 Y + 3 S = Y2S3
KMnO4 + NaOH + C12H22O11 = MnO2 + NaC6H11O7 + K2MnO4 + H2O =>
2 KMnO4 + 2 NaOH + C12H22O11 = MnO2 + 2 NaC6H11O7 + K2MnO4 + H2O
HgCl2 + Ca = HgCa + Cl =>
HgCl2 + Ca = HgCa + 2 Cl
Ni(NO3)2 + Na2CO3 = NiCO3 + NaNO3 =>
Ni(NO3)2 + Na2CO3 = NiCO3 + 2 NaNO3
Fe2 + C15H11N3 = Fe(C15H11N3)6 =>
Fe2 + 12 C15H11N3 = 2 Fe(C15H11N3)6
Mg(OH)2 + AsO2H = MgAsO4H3 =>
Mg(OH)2 + AsO2H = MgAsO4H3
PbO2 + KBiO3 = Pb2BiO + K2O + O2 =>
8 PbO2 + 4 KBiO3 = 4 Pb2BiO + 2 K2O + 11 O2
Cu{2+} + Ni = CuNi{2} =>
Cu{2+} + Ni = CuNi{2}
At2 + K = At2K =>
At2 + K = At2K
NaOH + H2CO3 = Na2CO3 + H2 + O2 =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2 + O2
Ti(OH)4 + CO2 = Ti(CO3)2 + H2O =>
Ti(OH)4 + 2 CO2 = Ti(CO3)2 + 2 H2O
Cu(No3)2 + Fe = Cu + Fe(No3) =>
Cu(No3)2 + 2 Fe = Cu + 2 Fe(No3)
NH4Cl + NaBr = NH4Na + ClBr =>
NH4Cl + NaBr = NH4Na + ClBr
NH3 + NO2 = N2 + H2O =>
8 NH3 + 6 NO2 = 7 N2 + 12 H2O
CuCO3 + SiO2 = CuSiO3 + CO2 =>
CuCO3 + SiO2 = CuSiO3 + CO2
KMnO4 + SnCl2 + HCl = K2Mn + H2O + SnCl4 + MnCl2 =>
2 KMnO4 + 7 SnCl2 + 16 HCl = K2Mn + 8 H2O + 7 SnCl4 + MnCl2
K2[Zn(OH)4] + HNO3 = Zn(OH)2 + KNO3 + H2O =>
K2[Zn(OH)4] + 2 HNO3 = Zn(OH)2 + 2 KNO3 + 2 H2O
K3PO4 + Ca(NO3)2 = Ca3(PO4)2 + KNO3 =>
2 K3PO4 + 3 Ca(NO3)2 = Ca3(PO4)2 + 6 KNO3
I2O7 + CO = I + CO2 =>
I2O7 + 7 CO = 2 I + 7 CO2
(NH4)2SO4 + NH4H2PO4 = NH4H2PO4(NH4)2SO4 =>
(NH4)2SO4 + NH4H2PO4 = NH4H2PO4(NH4)2SO4
K(ClO3) + K(OH) + Cl3Cr = KCl + K2CrO4 + H2O =>
K(ClO3) + 10 K(OH) + 2 Cl3Cr = 7 KCl + 2 K2CrO4 + 5 H2O
H + I = HI =>
H + I = HI
(NH4)2Co3 + KCl = NH4Cl + K2Co3 =>
(NH4)2Co3 + 2 KCl = 2 NH4Cl + K2Co3
NaCl(aq) + H2SO4 = Na2SO4(aq) + HCl(aq) =>
2 NaCl(aq) + H2SO4 = Na2SO4(aq) + 2 HCl(aq)
Hg2S + O2 = Hg + SO3 =>
2 Hg2S + 3 O2 = 4 Hg + 2 SO3
NaCl(s) = Na{+}(aq) + Cl{-}(aq) =>
NaCl(s) = Na{+}(aq) + Cl{-}(aq)
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