Équations équilibrées la veille |
H2O2 = H2O + O
Ag(NH3)2 + OH + KOH = KNO3 + Ag2O + H2O =>
2 Ag(NH3)2 + 34 OH + 4 KOH = 4 KNO3 + Ag2O + 25 H2O
BH3 = B2H6 =>
2 BH3 = B2H6
FeCl2 + Al2O3 = Fe2O2 + AlCl3 =>
6 FeCl2 + 2 Al2O3 = 3 Fe2O2 + 4 AlCl3
CDS + HCl = CDCl2 + H2S =>
CDS + 2 HCl = CDCl2 + H2S
CaClO3 = Ca + Cl + O2 =>
2 CaClO3 = 2 Ca + 2 Cl + 3 O2
SiS2 + P = P2S3 + Si =>
3 SiS2 + 4 P = 2 P2S3 + 3 Si
CH3COH + H2SO4 + K2Cr2O7 = CH3COOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 CH3COH + 4 H2SO4 + K2Cr2O7 = 3 CH3COOH + K2SO4 + Cr2(SO4)3 + 4 H2O
Fe + H3PO4 = Fe(H2PO4)3 + H2 =>
2 Fe + 6 H3PO4 = 2 Fe(H2PO4)3 + 3 H2
H2CO3 + NaOH = Na2CO3 + H2O =>
H2CO3 + 2 NaOH = Na2CO3 + 2 H2O
N2O5 + NaOH = Na2N2O6 + H2O =>
N2O5 + 2 NaOH = Na2N2O6 + H2O
FeCl3HI = FeCl2IHCl =>
FeCl3HI = FeCl2IHCl
FeCl2 + Al2O3 = Fe2O2 + AlCl3 =>
6 FeCl2 + 2 Al2O3 = 3 Fe2O2 + 4 AlCl3
BaCl2 + HSO3 = BaSO3 + HCl2 =>
BaCl2 + HSO3 = BaSO3 + HCl2
Fe(NO3)3KSCN = FeSCN(NO3)2KNO3 =>
Fe(NO3)3KSCN = FeSCN(NO3)2KNO3
CaSO3HCl = CaClSO2OH =>
CaSO3HCl = CaClSO2OH
C2H5OH + H2O = C2H5OHH2O =>
C2H5OH + H2O = C2H5OHH2O
FeCl3 + KSCN = Fe(SCN)3 + KCl =>
FeCl3 + 3 KSCN = Fe(SCN)3 + 3 KCl
C11H24 + H2O = CH3COOH + H2 =>
2 C11H24 + 22 H2O = 11 CH3COOH + 24 H2
NaHCO3NaOH = NaCO3NaH2O =>
NaHCO3NaOH = NaCO3NaH2O
Ag3Po4 + H3Po4 = AgH2Po4 =>
Ag3Po4 + 2 H3Po4 = 3 AgH2Po4
Pb(CH3COOH)2K2CrO4 = K2(CH3COOH)2PbCrO4 =>
Pb(CH3COOH)2K2CrO4 = K2(CH3COOH)2PbCrO4
H3PO3 = H2O + P2O3 =>
2 H3PO3 = 3 H2O + P2O3
Pb(II)S + HCl = Pb(II)Cl + HS =>
Pb(II)S + HCl = Pb(II)Cl + HS
*2Fe(s) + O2(g) = *2FeO(s) =>
*2Fe(s) + O2(g) = *2FeO(s)
C2S3 + O2 = CO2 + SO2 =>
C2S3 + 5 O2 = 2 CO2 + 3 SO2
KCe = K + Ce2 =>
2 KCe = 2 K + Ce2
Si + HF = SiF4 + H2 =>
Si + 4 HF = SiF4 + 2 H2
Fe + H3PO4 = Fe(H2PO4)3 + H2 =>
2 Fe + 6 H3PO4 = 2 Fe(H2PO4)3 + 3 H2
H3PO4(aq) + NaOH(aq) = Na3PO4(aq) + H2O(l) =>
H3PO4(aq) + 3 NaOH(aq) = Na3PO4(aq) + 3 H2O(l)
Fe2(SO4)3 + BaCl2 = BaSO4 + FeCl3 =>
Fe2(SO4)3 + 3 BaCl2 = 3 BaSO4 + 2 FeCl3
UOO = UO2 =>
UOO = UO2
Cu(NO3)2 + Zn = Cu + Zn(NO3)2 =>
Cu(NO3)2 + Zn = Cu + Zn(NO3)2
Cl2 + Na[Al(OH)4] = Na[AlCl4] + Na[Al(ClO4)4] + H2O =>
16 Cl2 + 8 Na[Al(OH)4] = 7 Na[AlCl4] + Na[Al(ClO4)4] + 16 H2O
K4 + HCl = KCl3 + H2 =>
K4 + 12 HCl = 4 KCl3 + 6 H2
W2O3 + K3N = WN + K2O =>
W2O3 + 2 K3N = 2 WN + 3 K2O
C2H4 + HBr = C4H9Br =>
2 C2H4 + HBr = C4H9Br
CuO + HBr = CuBr2 + H2O =>
CuO + 2 HBr = CuBr2 + H2O
Li + Cu(SO4) = Cu + Li(SO4) =>
Li + Cu(SO4) = Cu + Li(SO4)
NH4VO3 + H2SO4 + Zn = VO2 + (NH4)2SO2 + H2O + ZnSO4 =>
2 NH4VO3 + 4 H2SO4 + 3 Zn = 2 VO2 + (NH4)2SO2 + 4 H2O + 3 ZnSO4
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Na + Al2(SO4)3 + H2O = H2 + Na2SO4 + Al(OH)3 =>
6 Na + Al2(SO4)3 + 6 H2O = 3 H2 + 3 Na2SO4 + 2 Al(OH)3
KCe = K + Ce2 =>
2 KCe = 2 K + Ce2
Zn(OH)2 + K2CO3 = K2ZnO2 + CO2 + H2O =>
Zn(OH)2 + K2CO3 = K2ZnO2 + CO2 + H2O
HCl(ac)AgNO3(ac)NH4OH(ac) = AgCl(s)H2O(ac)NH4NO3(ac) =>
HCl(ac)AgNO3(ac)NH4OH(ac) = AgCl(s)H2O(ac)NH4NO3(ac)
NN2 + O2 = N2O =>
4 NN2 + 3 O2 = 6 N2O
HOCH2CH2OH + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
HOCH2CH2OH + 2 KMnO4 + 3 H2SO4 = 2 CO2 + 2 MnSO4 + K2SO4 + 6 H2O
CuCl2(s) = Cu2 + Cl =>
2 CuCl2(s) = Cu2 + 4 Cl
MgCO3 + HCl = MgCl2 + HCO3 + H2 =>
2 MgCO3 + 4 HCl = 2 MgCl2 + 2 HCO3 + H2
K(NO3) + Zn = Zn(NO3)2 + K =>
2 K(NO3) + Zn = Zn(NO3)2 + 2 K
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