| Équations équilibrées la veille |
2 Al + 6 HCl = 2 AlCl3 + 3 H2
AgI + Na2S = Ag2S + NaI =>
2 AgI + Na2S = Ag2S + 2 NaI
Mg(OH)2 + NaCl = MgCl2 + NaOH =>
Mg(OH)2 + 2 NaCl = MgCl2 + 2 NaOH
Na2ON2O = NaON =>
Na2ON2O = 2 NaON
Co + HCl = CoCl3 + H2 =>
2 Co + 6 HCl = 2 CoCl3 + 3 H2
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
Br2 + KL = KBr + L2 =>
Br2 + 2 KL = 2 KBr + L2
CO2 + Na = Na2CO3 + C =>
3 CO2 + 4 Na = 2 Na2CO3 + C
As2S5 + NH4OH + H2O2 = (NH4)AsO4 + (NH4)SO4 + H2O =>
2 As2S5 + 14 NH4OH + 49 H2O2 = 4(NH4)AsO4 + 10(NH4)SO4 + 56 H2O
C6H8O6 + O2 = CO2 + H2O =>
C6H8O6 + 5 O2 = 6 CO2 + 4 H2O
C4H6O6 + FeSO4 = FeC4H4O6 + H2SO4 =>
C4H6O6 + FeSO4 = FeC4H4O6 + H2SO4
C2H6O + O2 = C2H4O + H2O =>
2 C2H6O + O2 = 2 C2H4O + 2 H2O
SiF4 + H2O = H2SiF6 + H2SiO3 =>
3 SiF4 + 3 H2O = 2 H2SiF6 + H2SiO3
NaBr + KMnO4 = Br2 + KBr + MnBr2 + Na2O =>
16 NaBr + 2 KMnO4 = 5 Br2 + 2 KBr + 2 MnBr2 + 8 Na2O
H2O2 = H2H + O2 =>
3 H2O2 = 2 H2H + 3 O2
NaHSO4 + NaCl + MnO2 = Na2SO4 + Cl + MnCl2 + H2O =>
4 NaHSO4 + 4 NaCl + MnO2 = 4 Na2SO4 + 2 Cl + MnCl2 + 2 H2O
C6H5CH3 + HNO3 = C6H4NO2CH3 + H2O =>
C6H5CH3 + HNO3 = C6H4NO2CH3 + H2O
Pt(s) + CoBr2(aq) = PtBr(aq) + Co(aq) =>
2 Pt(s) + CoBr2(aq) = 2 PtBr(aq) + Co(aq)
HBr + CH3NH3 = CH3NH4Br =>
HBr + CH3NH3 = CH3NH4Br
NO2 + Ca = Ca(NO2)2 =>
2 NO2 + Ca = Ca(NO2)2
C6H5COOH = C6H5OH + CO =>
C6H5COOH = C6H5OH + CO
(NH4)2HPO4 = NH3(g) + (NH4)H2PO4 =>
(NH4)2HPO4 = NH3(g) + (NH4)H2PO4
{-} + H{+} + SO2 + O2 + CaCO3 = CaSO4(H2O)2 + CO2 =>
8e + 8 H{+} + 2 SO2 + 3 O2 + 2 CaCO3 = 2 CaSO4(H2O)2 + 2 CO2
K2Cr2O7 + H2SO4 + H2O2 + C3H8O2 = CrO2O(COOC2H5) + K2SO4 + H2O =>
K2Cr2O7 + H2SO4 + 3 H2O2 + 2 C3H8O2 = 2 CrO2O(COOC2H5) + K2SO4 + 7 H2O
P + I + H2O = PIO + HI =>
P + 3 I + H2O = PIO + 2 HI
Cr2(SO4)3 + Na2S = Cr2S3 + Na2(SO4)1 =>
Cr2(SO4)3 + 3 Na2S = Cr2S3 + 3 Na2(SO4)1
Ir2(SO4)6 + Fe2(CO3)3 = Fe2(SO4)3 + Ir2(CO3)6 =>
Ir2(SO4)6 + 2 Fe2(CO3)3 = 2 Fe2(SO4)3 + Ir2(CO3)6
S8 + H2 = H2S =>
S8 + 8 H2 = 8 H2S
Cr2O7{2-} + CH3CH2OH + H3O{+} = Cr{3+} + CH3COOH + H2O =>
2 Cr2O7{2-} + 3 CH3CH2OH + 16 H3O{+} = 4 Cr{3+} + 3 CH3COOH + 27 H2O
H{+1)+MnO4{-}+H2SO3 = Mn{2+}+HSO4{-}+H2O =>
H{+1)+2MnO4{-}+5H2SO3 = 2 Mn{2+}+5HSO4{-}+3H2O
As2O3 + Na2CO3 = NaAsO2 + CO2 =>
As2O3 + Na2CO3 = 2 NaAsO2 + CO2
CaCl2(aq) + K2Co3(aq) = KCl(aq) + CaCo3(s) =>
CaCl2(aq) + K2Co3(aq) = 2 KCl(aq) + CaCo3(s)
Ga(OH)3 + Cs3PO4 = GaPO4 + CsOH =>
Ga(OH)3 + Cs3PO4 = GaPO4 + 3 CsOH
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
Pb(CH3COOH)2K2CrO4 = K2(CH3COOH)2PbCrO4 =>
Pb(CH3COOH)2K2CrO4 = K2(CH3COOH)2PbCrO4
Fe + KNO3 = K + Fe(NO3)3 =>
Fe + 3 KNO3 = 3 K + Fe(NO3)3
Fe(OH) + H2C2O4 = Fe + (H2O) + (C2O4) =>
2 Fe(OH) + H2C2O4 = 2 Fe + 2(H2O) + (C2O4)
KMnO4 + HBr + HCl = MnCl2 + Br2 + KCl + H2O =>
2 KMnO4 + 10 HBr + 6 HCl = 2 MnCl2 + 5 Br2 + 2 KCl + 8 H2O
H3PO4 + NH3 = (NH4)3PO4 =>
H3PO4 + 3 NH3 = (NH4)3PO4
Na2CO3H2PO4 = Na2PO4CO2H2O =>
Na2CO3H2PO4 = Na2PO4CO2H2O
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
CH3COO + NaOH = CH3COONa + OH =>
CH3COO + NaOH = CH3COONa + OH
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
Mg(NO3)2 + H2O = H(NO3) + Mg(OH)2 =>
Mg(NO3)2 + 2 H2O = 2 H(NO3) + Mg(OH)2
H2SO3 + BaCl2 = BaSO3 + HCl =>
H2SO3 + BaCl2 = BaSO3 + 2 HCl
C2H5OH + O2 = CH3CHO + H2O =>
2 C2H5OH + O2 = 2 CH3CHO + 2 H2O
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
BaSO4He = HeSO4Ba =>
BaSO4He = HeSO4Ba
K3[Cr(OH)6] + Cl2 + KOH = KCl + K2CrO4 + H2O =>
2 K3[Cr(OH)6] + 3 Cl2 + 4 KOH = 6 KCl + 2 K2CrO4 + 8 H2O
SnCl2 + O2 = SnO + ClO =>
2 SnCl2 + 3 O2 = 2 SnO + 4 ClO
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