| Équations équilibrées la veille |
7 H2O2 + H2SO4 + K2Cr2O4 = 2 CrO5 + 8 H2O + K2SO4
KAl(SO4)2Na2CO3 = Na2Al(SO4)2KCO3 =>
KAl(SO4)2Na2CO3 = Na2Al(SO4)2KCO3
Cr2O72{-} + Fe{2+} + H{+} = Cr{3+} + Fe{3+} + H2O =>
Cr2O72{-} + 137 Fe{2+} + 144 H{+} = 2 Cr{3+} + 137 Fe{3+} + 72 H2O
Sr(OH)2 + ZnO = SrZnO2 + H2O =>
Sr(OH)2 + ZnO = SrZnO2 + H2O
FeCl3 + Ag2SO4 = Fe2(SO4)3 + AgCl =>
2 FeCl3 + 3 Ag2SO4 = Fe2(SO4)3 + 6 AgCl
MnSO4(aq) + CoCl2(aq) = MnCl2(aq) + CoSO4(aq) =>
MnSO4(aq) + CoCl2(aq) = MnCl2(aq) + CoSO4(aq)
NH3 + Cu(O)3 = Cu + N2 + H2O =>
2 NH3 + Cu(O)3 = Cu + N2 + 3 H2O
NH4I + Pb(NO3)2 = NH4(NO3)2 + PbI =>
NH4I + Pb(NO3)2 = NH4(NO3)2 + PbI
C12H8 + O2 = CO2 + H2O =>
C12H8 + 14 O2 = 12 CO2 + 4 H2O
KCIO3 + H2C2O4 = K2CO3 + CIO2 + CO2 + H2O =>
2 KCIO3 + H2C2O4 = K2CO3 + 2 CIO2 + CO2 + H2O
Cr + PbO2 = Cr2O7 + Pb =>
4 Cr + 7 PbO2 = 2 Cr2O7 + 7 Pb
CuSO4 + NaI = Na2SO4 + CuI2 =>
CuSO4 + 2 NaI = Na2SO4 + CuI2
KMnO4 + Fe2SO3 + H2SO4 = H2O + K2SO4 + MnSO4 + Fe2SO4 =>
2 KMnO4 + 5 Fe2SO3 + 3 H2SO4 = 3 H2O + K2SO4 + 2 MnSO4 + 5 Fe2SO4
CH3CH2MgBr + H2O = CH3CH3 + Mg(OH)Br =>
CH3CH2MgBr + H2O = CH3CH3 + Mg(OH)Br
Ba3N2 + Cl2 = BaCl + N2 =>
2 Ba3N2 + 3 Cl2 = 6 BaCl + 2 N2
FeSO4 + CaCO3 = CaSO4 + Fe(CO3) =>
FeSO4 + CaCO3 = CaSO4 + Fe(CO3)
Cu(NO3)2(aq) + NH3(aq) = (NH3)4Cu(NO3)2(s) =>
Cu(NO3)2(aq) + 4 NH3(aq) = (NH3)4Cu(NO3)2(s)
K[Al(OH)4] + CO2 = K2CO3 + Al(OH)3 + H2O =>
2 K[Al(OH)4] + CO2 = K2CO3 + 2 Al(OH)3 + H2O
Fe2O3 + CO = CO2 + Fe(l) =>
Fe2O3 + 3 CO = 3 CO2 + 2 Fe(l)
NaCH3COO(aq) + HCl(aq) = HCH3COO + NaCl =>
NaCH3COO(aq) + HCl(aq) = HCH3COO + NaCl
Co(NO3)2 + KI = Co(I)2 + K(NO3) =>
Co(NO3)2 + 2 KI = Co(I)2 + 2 K(NO3)
P = P74 =>
74 P = P74
Fe + O2 = Fe20O3 =>
40 Fe + 3 O2 = 2 Fe20O3
I2 = I0 =>
I2 = 2 I0
HF + Li(OH) = H(OH) + LiF =>
HF + Li(OH) = H(OH) + LiF
LdCl + Mg = MgCl + Ld =>
LdCl + Mg = MgCl + Ld
Zn(s) + SnCl2(s) = ZnCl2(s) + Sn(s) =>
Zn(s) + SnCl2(s) = ZnCl2(s) + Sn(s)
H2SO4 + KBr = K2SO4 + Br2 + SO2 + H2O =>
2 H2SO4 + 2 KBr = K2SO4 + Br2 + SO2 + 2 H2O
Zn(OH)2 + KCl = ZnCl2 + KOH =>
Zn(OH)2 + 2 KCl = ZnCl2 + 2 KOH
H2TeO3 + Li(OH) = Li2TeO3 + H2O =>
H2TeO3 + 2 Li(OH) = Li2TeO3 + 2 H2O
Fe2O3 + HBr = FeBr3 + H2O =>
Fe2O3 + 6 HBr = 2 FeBr3 + 3 H2O
CH3CCCH3 + KMnO4 + H2O = CH3COOH + KOH + MnO2 =>
CH3CCCH3 + 2 KMnO4 + 2 H2O = 2 CH3COOH + 2 KOH + 2 MnO2
*Fe + O2 = *Fe2O3 =>
4*Fe + 3 O2 = 2*Fe2O3
CH3CH2OH + Cu = CuO + C2H6 =>
CH3CH2OH + Cu = CuO + C2H6
Ni3(PO4)2 + Cu2CrO4 = Ni(CrO4) + Cu3PO4 =>
Ni3(PO4)2 + 3 Cu2CrO4 = 3 Ni(CrO4) + 2 Cu3PO4
C2Cl4 + Fe + H2O = C2H4 + Cl{-} + Fe{+2} + OH{-} =>
C2Cl4 + 4 Fe + 4 H2O = C2H4 + 4 Cl{-} + 4 Fe{+2} + 4 OH{-}
CuSO4 + KL = CuL + L2 + K2SO4 =>
2 CuSO4 + 4 KL = 2 CuL + L2 + 2 K2SO4
HC = CH =>
HC = CH
H2SO3 + CaS = CaSO4 + H2S =>
4 H2SO3 + 3 CaS = 3 CaSO4 + 4 H2S
S2O2 + SeO2 + H2O = H2SO4 + Se =>
S2O2 + 2 SeO2 + 2 H2O = 2 H2SO4 + 2 Se
Cr(OH)3 + H2SiO3 = CrOHSiO3 + H2O =>
Cr(OH)3 + H2SiO3 = CrOHSiO3 + 2 H2O
H2CO3 + Na(OH) = Na2(CO3) + H2O =>
H2CO3 + 2 Na(OH) = Na2(CO3) + 2 H2O
CaCO2Na2CO3 = CaCO3Na2CO2 =>
CaCO2Na2CO3 = CaCO3Na2CO2
Al(OH)3 + Ca = Al2Ca3 + OH =>
2 Al(OH)3 + 3 Ca = Al2Ca3 + 6 OH
Ba(CN)2(s) + H2SO4(aq) = BaSO4 + HCN =>
Ba(CN)2(s) + H2SO4(aq) = BaSO4 + 2 HCN
NaOH + Cl2 = NaCl + Na5ClO3 + H2O =>
6 NaOH + Cl2 = NaCl + Na5ClO3 + 3 H2O
Al(NO3)3 + NH3 + H2O = Al(OH)3 + NH4NO3 =>
Al(NO3)3 + 3 NH3 + 3 H2O = Al(OH)3 + 3 NH4NO3
C3H7MgBrCO2 = C3H7COOMgBr =>
C3H7MgBrCO2 = C3H7COOMgBr
Cu(No3)2(aq) + Na2CO3(aq) = CuCO3(s) + NaNo3(aq) =>
Cu(No3)2(aq) + Na2CO3(aq) = CuCO3(s) + 2 NaNo3(aq)
NaNO3 + H2SO4 = Na2SO4 + HNO3 =>
2 NaNO3 + H2SO4 = Na2SO4 + 2 HNO3
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