Équations équilibrées la veille |
NaOH + C7H8O3S = H2O + C7H7O3SNa
C6H6 + CH3CHCH2 = C6H6CH(CH3)2 =>
5 C6H6 + 8 CH3CHCH2 = 6 C6H6CH(CH3)2
Pr + O = Pr2O3 =>
2 Pr + 3 O = Pr2O3
Na2S2O3 + KMnO4 + H2SO4 = H2O + K2SO4 + MnSO4 + NaHSO4 =>
5 Na2S2O3 + 8 KMnO4 + 12 H2SO4 = 7 H2O + 4 K2SO4 + 8 MnSO4 + 10 NaHSO4
AuBr3 + NH4NO3 = Au(NO3)3 + NH4Br =>
AuBr3 + 3 NH4NO3 = Au(NO3)3 + 3 NH4Br
SnCl2 + Ca(OH)2 = Sn(OH)2 + CaCl2 =>
SnCl2 + Ca(OH)2 = Sn(OH)2 + CaCl2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Pt + H2 + Cl2 = H2PtCl4 =>
Pt + H2 + 2 Cl2 = H2PtCl4
Mn(SO4) + MgS = MnS + Mg(SO4) =>
Mn(SO4) + MgS = MnS + Mg(SO4)
SiCl4(i) + H2O(i) = Si(OH)4(s) + HCl(aq) =>
SiCl4(i) + 4 H2O(i) = Si(OH)4(s) + 4 HCl(aq)
XeO3 + NaOH = Na2XeO4 + H2O =>
XeO3 + 2 NaOH = Na2XeO4 + H2O
CaS + AlPO4 = Ca3(PO4)2 + Al2S3 =>
3 CaS + 2 AlPO4 = Ca3(PO4)2 + Al2S3
Zn + H2SO4 = Zn2SO4H2 =>
2 Zn + H2SO4 = Zn2SO4H2
UO2(NO3)2 + HCl + Zn = UO2Cl + Zn(NO3)2 + H2 =>
2 UO2(NO3)2 + 2 HCl + 2 Zn = 2 UO2Cl + 2 Zn(NO3)2 + H2
CaCO3(s) + HNO3(ac) = Ca(NO3)2(ac) + CO2(g) + H2O(l) =>
CaCO3(s) + 2 HNO3(ac) = Ca(NO3)2(ac) + CO2(g) + H2O(l)
Cr(NO3)3 + HNO3 + NaBiO3 = H2Cr2O7 + Bi(NO3)3 + NaNO3 + H2 =>
6 Cr(NO3)3 + 10 HNO3 + 7 NaBiO3 = 3 H2Cr2O7 + 7 Bi(NO3)3 + 7 NaNO3 + 2 H2
AgNO3(aq) + Cu(s) = Cu(NO3)2(aq) + Ag(s) =>
2 AgNO3(aq) + Cu(s) = Cu(NO3)2(aq) + 2 Ag(s)
Na2B4O7 + H2SO4 + CaF2 = BF3 + NaHSO4 + CaSO4 + H2O =>
Na2B4O7 + 8 H2SO4 + 6 CaF2 = 4 BF3 + 2 NaHSO4 + 6 CaSO4 + 7 H2O
Ba(OH0)2 + H3PO4 = BaHPO4 + H2O =>
Ba(OH0)2 + H3PO4 = BaHPO4 + 2 H2O
Al3 + HgCl2 = AlCl3 + Hg2 =>
4 Al3 + 18 HgCl2 = 12 AlCl3 + 9 Hg2
H3PO4 + C = H3PO2 + CO =>
H3PO4 + 2 C = H3PO2 + 2 CO
PbO2 + CrCl3 + H2SO4 = Cl2 + PbSO4 + Cr2(SO4)3 + H2O =>
3 PbO2 + 2 CrCl3 + 6 H2SO4 = 3 Cl2 + 3 PbSO4 + Cr2(SO4)3 + 6 H2O
C3H7ONa + NH4Cl = NH3 + NaCl + C3H7OH =>
C3H7ONa + NH4Cl = NH3 + NaCl + C3H7OH
AgNO3(aq) + Cu(s) = Cu(NO3)2(aq) + Ag(s) =>
2 AgNO3(aq) + Cu(s) = Cu(NO3)2(aq) + 2 Ag(s)
FeSO4 + Na2HPO4 = Fe3(PO4)2 + NaH2PO4 + Na2SO4 =>
3 FeSO4 + 4 Na2HPO4 = Fe3(PO4)2 + 2 NaH2PO4 + 3 Na2SO4
BaO + SO3 = BaSO4 =>
BaO + SO3 = BaSO4
Sn + BaCl2 = SnCl2 + Ba =>
Sn + BaCl2 = SnCl2 + Ba
Br + NH4OH = NH4Br + N2 + H2O =>
6 Br + 8 NH4OH = 6 NH4Br + N2 + 8 H2O
Pb(SCN)2 + KI = PbI2 + KSCN =>
Pb(SCN)2 + 2 KI = PbI2 + 2 KSCN
K(NO3) = KNO2 + O2 =>
2 K(NO3) = 2 KNO2 + O2
FeCl3 + HCl = HFe + Cl =>
FeCl3 + HCl = HFe + 4 Cl
C3H6 + Br = C3H6Br2 =>
C3H6 + 2 Br = C3H6Br2
NaClO + H2O + As + NaOH = NaCl + NaH2AsO4 =>
5 NaClO + H2O + 2 As + 2 NaOH = 5 NaCl + 2 NaH2AsO4
HNO3(aq) + CaCO3(s) = Ca(NO3)2(aq) + CO2(g) + H2O(l) =>
2 HNO3(aq) + CaCO3(s) = Ca(NO3)2(aq) + CO2(g) + H2O(l)
HSO4 + Cu = CuSO4 + SO2 + H2O =>
4 HSO4 + 3 Cu = 3 CuSO4 + SO2 + 2 H2O
Mg(s) + SnCl4(aq) = Sn(s) + MgCl4(aq) =>
Mg(s) + SnCl4(aq) = Sn(s) + MgCl4(aq)
KCN(aq) + HCL(aq) = HCN + KCL(aq) =>
KCN(aq) + HCL(aq) = HCN + KCL(aq)
NaHCO2 + CaC12 = CaCO3 + CO2 + NaC + HC =>
25 NaHCO2 + 4 CaC12 = 4 CaCO3 + 19 CO2 + 25 NaC + 25 HC
(Na2SO3)(aq) + (HCl)(aq) = NaCl(aq) + (H2SO3)(aq) =>
(Na2SO3)(aq) + 2(HCl)(aq) = 2 NaCl(aq) + (H2SO3)(aq)
SCl2 + O2 = Cl2 + SO2 =>
SCl2 + O2 = Cl2 + SO2
Al2(SO4) + Mg(NO3)2 = Al2(NO3)2 + MgSO4 =>
Al2(SO4) + Mg(NO3)2 = Al2(NO3)2 + MgSO4
CrSO4 = Cr2O3 + SO2 + O2 =>
4 CrSO4 = 2 Cr2O3 + 4 SO2 + O2
BaO + HNO3 = Ba(NO3)2 + H2O =>
BaO + 2 HNO3 = Ba(NO3)2 + H2O
Hg2(CN)2 + KOH + Cl2 = KCl + Hg(OH)2 + K2CO3 + KNO3 + H2O =>
Hg2(CN)2 + 28 KOH + 11 Cl2 = 22 KCl + 2 Hg(OH)2 + 2 K2CO3 + 2 KNO3 + 12 H2O
NaBr2 + LiCl2 = NaCl2 + LiBr2 =>
NaBr2 + LiCl2 = NaCl2 + LiBr2
H2(C4H4O6) + Na2CO3 = Na2(C4H4O6) + H2CO3 =>
H2(C4H4O6) + Na2CO3 = Na2(C4H4O6) + H2CO3
Ca(H2Po4)2 + Ca3(Po4)2 = CaHPo4 =>
Ca(H2Po4)2 + Ca3(Po4)2 = 4 CaHPo4
NaNO3(aq) + KCl(aq) = NaCl(aq) + KNO3 =>
NaNO3(aq) + KCl(aq) = NaCl(aq) + KNO3
PbS + KI = KPb + S + I =>
PbS + KI = KPb + S + I
KOH + FeSO = KSO + Fe(OH) =>
KOH + FeSO = KSO + Fe(OH)
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