| Équations équilibrées la veille |
Ca + BaS = Ba + CaS
H{+} + Cr2O7 + C2H5OH = Cr3{+} + C2H4O + H2O =>
2 H{+} + 3 Cr2O7 + 20 C2H5OH = 2 Cr3{+} + 20 C2H4O + 21 H2O
HCOOH + Be(OH)2 = (HCOO)2Be + H2O =>
2 HCOOH + Be(OH)2 = (HCOO)2Be + 2 H2O
Cd(s) + HCl = H2(g) + CdCl =>
2 Cd(s) + 2 HCl = H2(g) + 2 CdCl
Fe2O3 + C = CO + Fe =>
Fe2O3 + 3 C = 3 CO + 2 Fe
Al(OH)3 + HNo2 = Al(No2)3 + H2O =>
Al(OH)3 + 3 HNo2 = Al(No2)3 + 3 H2O
Li2CO3 + FeBr3 = Fe2(CO3)3 + LiBr =>
3 Li2CO3 + 2 FeBr3 = Fe2(CO3)3 + 6 LiBr
CuO(s) + H{+}(aq) = Cu{+2}(aq) + H2O(l) =>
CuO(s) + 2 H{+}(aq) = Cu{+2}(aq) + H2O(l)
C4H10O + KBr + H2SO4 = C4H9Br + H2O + KHSO4 =>
C4H10O + KBr + H2SO4 = C4H9Br + H2O + KHSO4
KClO3 + H2SO3 = KCl + H2SO4 =>
KClO3 + 3 H2SO3 = KCl + 3 H2SO4
KHF2 = F2 + H2 + KF =>
2 KHF2 = F2 + H2 + 2 KF
KCrO4 + HBr = KBr + Br2 + CrBr3 + H2O =>
KCrO4 + 8 HBr = KBr + 2 Br2 + CrBr3 + 4 H2O
RG2Ye2 = RG2Ye + Ye2 =>
2 RG2Ye2 = 2 RG2Ye + Ye2
C9H8O2 + HBr = C9H9O2Br =>
C9H8O2 + HBr = C9H9O2Br
Mg2 + OH1 = Mg(OH)2 =>
Mg2 + 4 OH1 = 2 Mg(OH)2
AgNO3 + Na2CO3 = Ag2CO3 + NaNO3 =>
2 AgNO3 + Na2CO3 = Ag2CO3 + 2 NaNO3
H2O2 + Mn2O4 = MnH2 + O2 =>
2 H2O2 + Mn2O4 = 2 MnH2 + 4 O2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NaNO3 + SiO2 = Na2SiN2 + O2 =>
2 NaNO3 + SiO2 = Na2SiN2 + 4 O2
CaH2 + H2O = Ca(OH)2 + H2 =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
CH4 + F2 = CHF3 + HF =>
CH4 + 3 F2 = CHF3 + 3 HF
Ag + Cr2O3 + O2 = Ag2Cr2O7 =>
2 Ag + Cr2O3 + 2 O2 = Ag2Cr2O7
Mg + NaCl = MgNaCl =>
Mg + NaCl = MgNaCl
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
NaI3 + NH3 = NaNH3 + I3 =>
NaI3 + NH3 = NaNH3 + I3
I + HNO3 = HIO3 + N2O3 + H2O =>
4 I + 10 HNO3 = 4 HIO3 + 5 N2O3 + 3 H2O
NaOH + CrCl3 = NaCl + Cr(OH)3 =>
3 NaOH + CrCl3 = 3 NaCl + Cr(OH)3
RbBr(aq) + Pb(ClO4)2(aq) = Rb(ClO4)(aq) + PbBr2(aq) =>
2 RbBr(aq) + Pb(ClO4)2(aq) = 2 Rb(ClO4)(aq) + PbBr2(aq)
Ca(CO3) + Al(PO4) = Ca3(PO4)2 + Al2(CO3)3 =>
3 Ca(CO3) + 2 Al(PO4) = Ca3(PO4)2 + Al2(CO3)3
NaH2PO4 + Pb(NO3)2 = NaH2(NO3)2 + PbPO4 =>
NaH2PO4 + Pb(NO3)2 = NaH2(NO3)2 + PbPO4
Sn(NO3)2 + NaOH + Hg(NO3)2 = Na2[Sn(OH)6] + Hg + NaNO3 =>
Sn(NO3)2 + 6 NaOH + Hg(NO3)2 = Na2[Sn(OH)6] + Hg + 4 NaNO3
NaCN + HCN = NaH + CN =>
NaCN + HCN = NaH + 2 CN
FeCl3 + O2 = Fe2O3 + Cl2 =>
4 FeCl3 + 3 O2 = 2 Fe2O3 + 6 Cl2
Fe(SO4)2(NH4)2*6H2O + K2Cr2O7 + H2SO4 = (NH4)2SO4 + K2SO4 + Fe2(SO4)3 + Cr2(SO4)3 + H2O =>
6 Fe(SO4)2(NH4)2*6H2O + K2Cr2O7 + 7 H2SO4 = 6(NH4)2SO4 + K2SO4 + 3 Fe2(SO4)3 + Cr2(SO4)3 + 43 H2O
CuI + HI = CuH + I =>
CuI + HI = CuH + 2 I
Cu + NHO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 NHO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
P4 + S8 = P2S5 =>
4 P4 + 5 S8 = 8 P2S5
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
BaCl2(s) + H2SO4(aq) = BaSO4(aq) + HCl(aq) =>
BaCl2(s) + H2SO4(aq) = BaSO4(aq) + 2 HCl(aq)
C3H6Br2 + NaOH = C3H5Br + NaBr + H2O =>
C3H6Br2 + NaOH = C3H5Br + NaBr + H2O
Na2ZnO2 + H2SO4 = Na2SO4 + ZnSO4 + H2O =>
Na2ZnO2 + 2 H2SO4 = Na2SO4 + ZnSO4 + 2 H2O
NaHCO3 + Fe2(SO4)3 = Fe(OH)3 + Na2(SO4) + CO2 =>
6 NaHCO3 + Fe2(SO4)3 = 2 Fe(OH)3 + 3 Na2(SO4) + 6 CO2
Al + Ca(OH)2 + H2O = Ca[Al(OH)4]2 + H2 =>
2 Al + Ca(OH)2 + 6 H2O = Ca[Al(OH)4]2 + 3 H2
Rb3PO4 + CaBr2 = RbBr + Ca3(PO4)2 =>
2 Rb3PO4 + 3 CaBr2 = 6 RbBr + Ca3(PO4)2
HNO3H2SO4 = HNO3 + H2SO4 =>
HNO3H2SO4 = HNO3 + H2SO4
MgCl2 + ClO2 = MgClO2 + Cl2 =>
MgCl2 + ClO2 = MgClO2 + Cl2
KMnO4 + C = K2CO3 + CO2 + MnO =>
4 KMnO4 + 5 C = 2 K2CO3 + 3 CO2 + 4 MnO
Mg + Be(NO3)2 = Mg(NO3)2 + Be =>
Mg + Be(NO3)2 = Mg(NO3)2 + Be
Li + H2SO4 + Cu = Li2SO4 + Cu2S + H2O =>
6 Li + 4 H2SO4 + 2 Cu = 3 Li2SO4 + Cu2S + 4 H2O
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Équations équilibrées sur12/10/24
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