| Équations équilibrées la veille |
Sb2O5 + H2O = 2 HSbO3
HCOOK + HNO3 = HCOOH + KNO3 =>
HCOOK + HNO3 = HCOOH + KNO3
He(N3) = He + N2 =>
2 He(N3) = 2 He + 3 N2
MgBr2 + H2SO4 = MgSO4 + Br2 + SO2 + H2O =>
MgBr2 + 2 H2SO4 = MgSO4 + Br2 + SO2 + 2 H2O
CaCl2 + Na2CO3 = CaCO3 + NaCl(aq) =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl(aq)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
SO4 + I2 = SO2 + IO3 =>
3 SO4 + I2 = 3 SO2 + 2 IO3
C3H6 + Br2 = C3H4Br + H2Br =>
C3H6 + Br2 = C3H4Br + H2Br
LiCl(aq) + KOH(aq) = LiOH(aq) + KCl(aq) =>
LiCl(aq) + KOH(aq) = LiOH(aq) + KCl(aq)
S4O6{2-} + ClO{-} + OH{-} = SO4{2-} + Cl{-} + H2O =>
S4O6{2-} + 7 ClO{-} + 6 OH{-} = 4 SO4{2-} + 7 Cl{-} + 3 H2O
C2H4 + KMnO4 = C2H4O2 + MnO2 + K =>
C2H4 + KMnO4 = C2H4O2 + MnO2 + K
H2C2O4 + CaCl2 = (HC2O4)2Ca + HCl =>
2 H2C2O4 + CaCl2 = (HC2O4)2Ca + 2 HCl
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
K + H3PO4 = H2 + K3PO4 =>
6 K + 2 H3PO4 = 3 H2 + 2 K3PO4
Mg + NaCl = MgNaCl =>
Mg + NaCl = MgNaCl
Cr3{+} + Ca = Ca2{+} + Cr =>
Cr3{+} + 2 Ca = Ca2{+} + 3 Cr
U(CO3)3 + Na = Na2CO3 + U =>
U(CO3)3 + 6 Na = 3 Na2CO3 + U
CoCl3(aq) + Pb(NO3)2(aq) = Co(NO3)3(aq) + PbCl2(s) =>
2 CoCl3(aq) + 3 Pb(NO3)2(aq) = 2 Co(NO3)3(aq) + 3 PbCl2(s)
BrCl + AgNO3 = BrNO3 + AgCl =>
BrCl + AgNO3 = BrNO3 + AgCl
C53H102O6 + O2 = CO2 + H2O =>
2 C53H102O6 + 151 O2 = 106 CO2 + 102 H2O
MgO + N2O5 = Mg(NO3)2 =>
MgO + N2O5 = Mg(NO3)2
U(CO3)3 + Na = Na2CO3 + U =>
U(CO3)3 + 6 Na = 3 Na2CO3 + U
Ca + FeS = CaS + Fe =>
Ca + FeS = CaS + Fe
Ba10(NO3)20 + Pb10(NO3)20 + Sr10(NO3)20 + Bi10(NO3)30(H2O)50 + La10(NO3)30(H2O)60 + Ce10(NO3)30(H2O)60 + Na10O10H10 = Ba50Pb25Sr25Bi50La25Ce25O30 + Na10N10O30 + H20O10 + O20 =>
10 Ba10(NO3)20 + 5 Pb10(NO3)20 + 5 Sr10(NO3)20 + 10 Bi10(NO3)30(H2O)50 + 5 La10(NO3)30(H2O)60 + 5 Ce10(NO3)30(H2O)60 + 100 Na10O10H10 = 2 Ba50Pb25Sr25Bi50La25Ce25O30 + 100 Na10N10O30 + 160 H20O10 + 22 O20
(NH4)2O + MgCl2 = NH4Cl + MgO =>
(NH4)2O + MgCl2 = 2 NH4Cl + MgO
AgH2PO2 + H2O = Ag + H3PO4 + H2 =>
2 AgH2PO2 + 4 H2O = 2 Ag + 2 H3PO4 + 3 H2
FeSO4 + Al(NO3)3 + H2SO4 = Fe2(SO4)3 + Al2(SO4)3 + H2O + NO =>
18 FeSO4 + 2 Al(NO3)3 + 12 H2SO4 = 9 Fe2(SO4)3 + Al2(SO4)3 + 12 H2O + 6 NO
(NH4)2CO3 + Pb(OH)2 = NH4OH + PbCO3 =>
(NH4)2CO3 + Pb(OH)2 = 2 NH4OH + PbCO3
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Bi2O3 + C7H6O3 = C7H5BiO4 + H2O =>
Bi2O3 + 2 C7H6O3 = 2 C7H5BiO4 + H2O
C6H5CH2Cl + Cl2 = C6H5CHCl2 + HCl =>
C6H5CH2Cl + Cl2 = C6H5CHCl2 + HCl
HNO3(aq) + KOH(aq) = KNO3(aq) + H2O(aq) =>
HNO3(aq) + KOH(aq) = KNO3(aq) + H2O(aq)
S + NaOH = Na2SO4 + Na2S + H2 =>
2 S + 4 NaOH = Na2SO4 + Na2S + 2 H2
C53H102O6 + O2 = CO2 + H2O =>
2 C53H102O6 + 151 O2 = 106 CO2 + 102 H2O
MgO + N2O5 = Mg(NO3)2 =>
MgO + N2O5 = Mg(NO3)2
H + K2SO4 = K + H2SO4 =>
2 H + K2SO4 = 2 K + H2SO4
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
CrSO4 + PbCl2 = CrCl2 + PbSO4 =>
CrSO4 + PbCl2 = CrCl2 + PbSO4
Cs + P3 = CsP =>
3 Cs + P3 = 3 CsP
Cu(OH)2 + HNO3 = Cu(NO3)2 + H2O =>
Cu(OH)2 + 2 HNO3 = Cu(NO3)2 + 2 H2O
MnSO4*H2O + NaOH + H2O2 = MnO2 + Na2SO4 + H2O =>
MnSO4*H2O + 2 NaOH + H2O2 = MnO2 + Na2SO4 + 3 H2O
KCl + Br2 = Cl2 + KBr2 =>
2 KCl + 2 Br2 = Cl2 + 2 KBr2
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
Na2CrO4 + FeSO4 + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + Na2SO4 + H2O =>
2 Na2CrO4 + 6 FeSO4 + 8 H2SO4 = Cr2(SO4)3 + 3 Fe2(SO4)3 + 2 Na2SO4 + 8 H2O
BaCO3 + Fe2O3 + Co2O3 = Ba3Co2Fe24O41 + CO + O2 =>
3 BaCO3 + 12 Fe2O3 + Co2O3 = Ba3Co2Fe24O41 + 3 CO + 2 O2
Mg2(s) + O2(g) = MgO2(s) =>
Mg2(s) + 2 O2(g) = 2 MgO2(s)
Ca + FeS = CaS + Fe =>
Ca + FeS = CaS + Fe
CoCl2 + H2O2 + NH4OH = Co(OH)3 + NH4Cl =>
2 CoCl2 + H2O2 + 4 NH4OH = 2 Co(OH)3 + 4 NH4Cl
HClO4 + P2O3 + H2O = HCl + H3PO4 =>
HClO4 + 2 P2O3 + 6 H2O = HCl + 4 H3PO4
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