| Équations équilibrées la veille |
4 C3H7OH + 2 K2Cr2O7 + 8 H2SO4 = 3 C3H5COH + 2 Cr2(SO4)3 + 2 K2SO4 + 15 H2O
FeCO3 + H3PO4 = FeH2PO4 + HCO3 =>
FeCO3 + H3PO4 = FeH2PO4 + HCO3
Ba(OH)2 + Be(OH)2 = Ba(BeO2) + H2O =>
Ba(OH)2 + Be(OH)2 = Ba(BeO2) + 2 H2O
Mg + HNO3 = Mg(NO3)2 + N2 + H2O =>
5 Mg + 12 HNO3 = 5 Mg(NO3)2 + N2 + 6 H2O
Mh + OH = Mh(OH)2 =>
Mh + 2 OH = Mh(OH)2
CrCl3 + NaClO + NaOH = Na2CrO4 + HCl + NaCl =>
2 CrCl3 + 3 NaClO + 5 NaOH = 2 Na2CrO4 + 5 HCl + 4 NaCl
OH + C2H3O2 = CO3 + HOH =>
11 OH + C2H3O2 = 2 CO3 + 7 HOH
C7H6O4S + [Ag(NH3)2]OH = C7H6O5S + Ag + NH3 + H2O =>
C7H6O4S + 2[Ag(NH3)2]OH = C7H6O5S + 2 Ag + 4 NH3 + H2O
Al2O3 + NaF = AlF3 + Na2O =>
Al2O3 + 6 NaF = 2 AlF3 + 3 Na2O
Hg2(CH3COO)2 + MgCl = HgCl + Mg(CH3COO) =>
Hg2(CH3COO)2 + 2 MgCl = 2 HgCl + 2 Mg(CH3COO)
K + S8 = K2S8 =>
2 K + S8 = K2S8
KOH + NaH = KH + NaOH =>
KOH + NaH = KH + NaOH
Al(OH)3 + Li = Al + LiOH =>
Al(OH)3 + 3 Li = Al + 3 LiOH
KOH + MnO2 + Na2S2O8 = K2MnO4 + Na2SO4 + K2SO4 + H2O =>
4 KOH + MnO2 + Na2S2O8 = K2MnO4 + Na2SO4 + K2SO4 + 2 H2O
NaOH(ac) + KHF(ac) = NaKF(ac) + H2O(ac) =>
NaOH(ac) + KHF(ac) = NaKF(ac) + H2O(ac)
CaCO3 + HNO3 = Ca(NO3)2 + H2CO3 =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + H2CO3
CaH2 + Al + SiO + H2O = Ca2Al2SiO7 + H2 =>
2 CaH2 + 2 Al + SiO + 6 H2O = Ca2Al2SiO7 + 8 H2
NaVO3 + H2O2 + HNO3 = HVO4 + NaNO3 + H2O =>
NaVO3 + H2O2 + HNO3 = HVO4 + NaNO3 + H2O
NaH2PO2 + KMnO4 + H2SO4 = H3PO4 + Na2SO4 + K2SO4 + Mn(SO4)2 + H2O =>
6 NaH2PO2 + 8 KMnO4 + 23 H2SO4 = 6 H3PO4 + 3 Na2SO4 + 4 K2SO4 + 8 Mn(SO4)2 + 20 H2O
CH3OH + K2CrO7 + H2SO4 = HCOOH + Cr2(SO4)3 + K2SO4 + H2O =>
9 CH3OH + 4 K2CrO7 + 10 H2SO4 = 9 HCOOH + 2 Cr2(SO4)3 + 4 K2SO4 + 19 H2O
H3AsO3 + Mg(OH)2 = Mg3(AsO3)2 + H2O =>
2 H3AsO3 + 3 Mg(OH)2 = Mg3(AsO3)2 + 6 H2O
In2O3 + CuO + Cu + IrO2 = InCuIrO4 =>
In2O3 + CuO + Cu + 2 IrO2 = 2 InCuIrO4
HCl + FeO = FeCl2 + H2O =>
2 HCl + FeO = FeCl2 + H2O
C2H5Br + CaOH = C2H5OH + CaBr =>
C2H5Br + CaOH = C2H5OH + CaBr
CrO42{-} + Cu2O + H2O = Cr(OH)4{-} + Cu(OH)2 =>
CrO42{-} + 40 Cu2O + 82 H2O = Cr(OH)4{-} + 80 Cu(OH)2
KMnO4 + HBr = Br + H2O + KBr + MnBr2 =>
KMnO4 + 8 HBr = 5 Br + 4 H2O + KBr + MnBr2
CaC2O2 + O2 = CaC2O3 =>
2 CaC2O2 + O2 = 2 CaC2O3
MgCO3 + H2SO4 = H2O + CO2 + SO4 + Mg =>
MgCO3 + H2SO4 = H2O + CO2 + SO4 + Mg
K2Cr2O7 + H2S + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
4 K2Cr2O7 + 3 H2S + 13 H2SO4 = 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
C2H4(OH)2 + [Ag(NH3)2]OH = C2H7NO2 + Ag + NH3 + H2O =>
C2H4(OH)2 + 2[Ag(NH3)2]OH = C2H7NO2 + 2 Ag + 3 NH3 + 2 H2O
Na3AsO4 + Na2S + HCl = NaCl + As2S3 + H2O + S =>
2 Na3AsO4 + 5 Na2S + 16 HCl = 16 NaCl + As2S3 + 8 H2O + 2 S
O3(g) + H2 = H2O =>
O3(g) + 3 H2 = 3 H2O
HI + H2O = H2 + HIO3 =>
HI + 3 H2O = 3 H2 + HIO3
Pd2O5 + H2O = Pd(OH)5 =>
Pd2O5 + 5 H2O = 2 Pd(OH)5
K + SnF4 = KF + Sn4 =>
16 K + 4 SnF4 = 16 KF + Sn4
MnCl2 + Pb(NO3)2 = Mn(NO3)2 + PbCl2 =>
MnCl2 + Pb(NO3)2 = Mn(NO3)2 + PbCl2
C2H5OH + K2Cr2O7 + H2SO4 = CH3CHO + K2SO4 + Cr2SO4 + H2O =>
5 C2H5OH + K2Cr2O7 + 2 H2SO4 = 5 CH3CHO + K2SO4 + Cr2SO4 + 7 H2O
Ca(NO3)2 + K3P = KNO3 + Ca3P2 =>
3 Ca(NO3)2 + 2 K3P = 6 KNO3 + Ca3P2
KNO3 + PbS = Pb(NO3)2 + K2S =>
2 KNO3 + PbS = Pb(NO3)2 + K2S
Pb{2+} + S2O3{2-} = PbS2O3 =>
Pb{2+} + S2O3{2-} = PbS2O3
Li + AlN = Li3N + Al =>
3 Li + AlN = Li3N + Al
HCl + FeCl3 = FeCl2 + HCl2 =>
HCl + FeCl3 = FeCl2 + HCl2
Ba(OH)2 + N2O5 = Ba(OH)NO3 + H2O =>
2 Ba(OH)2 + N2O5 = 2 Ba(OH)NO3 + H2O
C6H8O7 + MgSO4 = MgC6H6O7 + H2SO4 =>
C6H8O7 + MgSO4 = MgC6H6O7 + H2SO4
CrCl3 + H2O2 + Na = Na2CrO4 + NaCl + H2O =>
CrCl3 + 4 H2O2 + 5 Na = Na2CrO4 + 3 NaCl + 4 H2O
NaOH + CO(NH2)2 = NH3 + H2O + NaCNO =>
NaOH + CO(NH2)2 = NH3 + H2O + NaCNO
Ni{+2} + Fe = Fe{+3} + Ni =>
3 Ni{+2} + 2 Fe = 2 Fe{+3} + 3 Ni
Ca3(PO4)2 = Ca2 + (PO4)2 =>
2 Ca3(PO4)2 = 3 Ca2 + 2(PO4)2
BaO + GaN = Ba3N2 + Ga2O3 =>
3 BaO + 2 GaN = Ba3N2 + Ga2O3
UO2{2+} + Fe{2+} + H{+} = Fe{3+} + U{4+} + H2O =>
UO2{2+} + 2 Fe{2+} + 4 H{+} = 2 Fe{3+} + U{4+} + 2 H2O
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