| Équations équilibrées la veille |
10 NaI + 8 H2SO4 + 2 NaMnO4 = 5 I2 + 2 MnSO4 + 8 H2O + 6 Na2SO4
B2O3 + BrF3 = BF3 + Br + O2 =>
2 B2O3 + 4 BrF3 = 4 BF3 + 4 Br + 3 O2
Cr2O7{-} + SO42{-} + H{+} = Cr2(SO4)3 + H2O + O2 =>
2 Cr2O7{-} + 6 SO42{-} + 8 H{+} = 2 Cr2(SO4)3 + 4 H2O + 119 O2
Rb + C2H4O2 = RbCH3CO2 + H =>
Rb + C2H4O2 = RbCH3CO2 + H
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Na2S2O3 + HCl = NaCl + (SO)2 + H2O =>
Na2S2O3 + 2 HCl = 2 NaCl + (SO)2 + H2O
NaOCl + NaCl + H2O = Na + HOCl =>
NaOCl + NaCl + H2O = 2 Na + 2 HOCl
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
PbCl2 + H2O = PbO + HCl =>
PbCl2 + H2O = PbO + 2 HCl
Mn + NH3 = Mn(NH3)6 =>
Mn + 6 NH3 = Mn(NH3)6
Cu2O + (Cu2)2S = Cu + SO2 =>
2 Cu2O + (Cu2)2S = 8 Cu + SO2
S + KNO3 = SO2 + N2 + K2SO4 =>
2 S + 2 KNO3 = SO2 + N2 + K2SO4
NaHSO3 + Cl + H2O = NaHSO4 + HCl =>
NaHSO3 + 2 Cl + H2O = NaHSO4 + 2 HCl
NH3NaClO = NHNaClH2O =>
NH3NaClO = NHNaClH2O
NH3 + CuO = Cu + N2 + H2O =>
2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O
H3AsO4 + MgCl2 + NH4OH = MgNH4AsO4 + NH4Cl + H2O =>
H3AsO4 + MgCl2 + 3 NH4OH = MgNH4AsO4 + 2 NH4Cl + 3 H2O
(NH4)2HPO4 + NaOH = Na3PO4 + NH3 + H2O =>
(NH4)2HPO4 + 3 NaOH = Na3PO4 + 2 NH3 + 3 H2O
C4H6 + H2 = C4H8 =>
C4H6 + H2 = C4H8
NaOH(aq) + CaCl2(aq) = NaCl2 + CaOH =>
NaOH(aq) + CaCl2(aq) = NaCl2 + CaOH
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C6H4NO2 + Fe + HCl = C6H5NH2 + FeCl3 + H2O =>
3 C6H4NO2 + 7 Fe + 21 HCl = 3 C6H5NH2 + 7 FeCl3 + 6 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
CaCl2 + (NH4)2SO4 = CaSO4 + NH4Cl =>
CaCl2 + (NH4)2SO4 = CaSO4 + 2 NH4Cl
NaOH + C6H11O7 = C6H10NaO7 + H2O =>
NaOH + C6H11O7 = C6H10NaO7 + H2O
Y + N = YN3 =>
Y + 3 N = YN3
Al2(SO4)3 = Al2(aq) + SO4(aq) =>
Al2(SO4)3 = Al2(aq) + 3 SO4(aq)
As3S2 + HNO3 = HAsO2 + H2SO4 + NO2 + H2O =>
As3S2 + 21 HNO3 = 3 HAsO2 + 2 H2SO4 + 21 NO2 + 7 H2O
Al2(SO4)3 + Mg(OH)2 = AlOH + Mg(SO4)3 =>
Al2(SO4)3 + Mg(OH)2 = 2 AlOH + Mg(SO4)3
BaO2 + Cl2 = BaCl + O2 =>
2 BaO2 + Cl2 = 2 BaCl + 2 O2
Mg + KNO3 = Mg(NO3)2 + K =>
Mg + 2 KNO3 = Mg(NO3)2 + 2 K
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
FeO2 = Fe + O =>
FeO2 = Fe + 2 O
K + NaOH = KOH + Na =>
K + NaOH = KOH + Na
AgNO3 + MgCl2 = AgCl2 + Mg + (NO3)2 =>
2 AgNO3 + 2 MgCl2 = 2 AgCl2 + 2 Mg + (NO3)2
K2MnO4 + H2SO4 + (COOK)2 = CO2 + MnSO4 + K2SO4 + H2O =>
K2MnO4 + 4 H2SO4 + 2(COOK)2 = 4 CO2 + MnSO4 + 3 K2SO4 + 4 H2O
BeCrO4 + KNO3 = Be(NO3)2 + K2CrO4 =>
BeCrO4 + 2 KNO3 = Be(NO3)2 + K2CrO4
K2O + HNO3 = KNO3 + H2O =>
K2O + 2 HNO3 = 2 KNO3 + H2O
AgNo3 + Pb(No3)2 = Ag2(No3) + Pb(No3)3 =>
2 AgNo3 + Pb(No3)2 = Ag2(No3) + Pb(No3)3
CaH2O2 + H3PO4 = Ca3P2O8 + H2O =>
3 CaH2O2 + 2 H3PO4 = Ca3P2O8 + 6 H2O
CNS + HNO3 = HCNS + NO3 =>
CNS + HNO3 = HCNS + NO3
XNa2SO3 + S8 = XNa2S2O3 =>
8 XNa2SO3 + S8 = 8 XNa2S2O3
CuO2 + Al = AlO + Cu =>
CuO2 + 2 Al = 2 AlO + Cu
Ca + Mn3(PO4)2 = Ca3(PO4)2 + Mn =>
3 Ca + Mn3(PO4)2 = Ca3(PO4)2 + 3 Mn
NaHCO3(s) + H3PO4(aq) = Na3PO4(aq) + CO2(g) + H2O(l) =>
3 NaHCO3(s) + H3PO4(aq) = Na3PO4(aq) + 3 CO2(g) + 3 H2O(l)
Ca2 + H3PO4 = CaHPO4 + H2 =>
Ca2 + 2 H3PO4 = 2 CaHPO4 + 2 H2
FeBr3 = FeBr2 + Br2 =>
2 FeBr3 = 2 FeBr2 + Br2
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
ClH = Cl2 + H2 =>
2 ClH = Cl2 + H2
NH4F + H2O = NH3F + H3O =>
NH4F + H2O = NH3F + H3O
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