| Équations équilibrées la veille |
Al + Na = AlNa
H2S + Sr(NO3)2 = H2(NO3)2 + SSr =>
H2S + Sr(NO3)2 = H2(NO3)2 + SSr
MgI2 = Mg{2+} + I{-} =>
MgI2 = Mg{2+} + 2 I{-}
CaF2*Ca3(PO4)2 + H2SO4 + H2O = H3PO4 + HF + CaSO4*2H2O =>
CaF2*Ca3(PO4)2 + 4 H2SO4 + 8 H2O = 2 H3PO4 + 2 HF + 4 CaSO4*2H2O
Mg(NO3)2 + Li2CO3 = MgCO3 + Li2(NO3)2 =>
Mg(NO3)2 + Li2CO3 = MgCO3 + Li2(NO3)2
IO3{-} + H3AsO3 + HCl = ICl2{-} + H3AsO4 + H2O =>
IO3{-} + 2 H3AsO3 + 2 HCl = ICl2{-} + 2 H3AsO4 + H2O
FeSO4 + Cl = Fe2(SO4)3 + FeCl3 =>
3 FeSO4 + 3 Cl = Fe2(SO4)3 + FeCl3
NH2OH + FeCl3 = N2O + FeCl2 + H2O + HCl =>
2 NH2OH + 4 FeCl3 = N2O + 4 FeCl2 + H2O + 4 HCl
Pb(CH3COO)4 + Ni = Ni(CH3COO)2 + Pb =>
Pb(CH3COO)4 + 2 Ni = 2 Ni(CH3COO)2 + Pb
FeSO4 + Cl = Fe2(SO4)3 + FeCl3 =>
3 FeSO4 + 3 Cl = Fe2(SO4)3 + FeCl3
Se2O6 + H2O = H2SeO4 =>
Se2O6 + 2 H2O = 2 H2SeO4
NH4Cl + CaSO3 = (NH4)2SO3 + CaCl2 =>
2 NH4Cl + CaSO3 = (NH4)2SO3 + CaCl2
Pb(NO3)2 + K2SO4 = PbSO4 + KNO3 =>
Pb(NO3)2 + K2SO4 = PbSO4 + 2 KNO3
Li2CO3 + Mg(NO3)2 = Li(NO3) + MgCO3 =>
Li2CO3 + Mg(NO3)2 = 2 Li(NO3) + MgCO3
HCOOH + K2CO3 = HCOOK + CO2 + H2O =>
2 HCOOH + K2CO3 = 2 HCOOK + CO2 + H2O
C2H5OH + CS2 + KOH = C2H5OCS2K + H2O =>
C2H5OH + CS2 + KOH = C2H5OCS2K + H2O
H2C = CH2 =>
H2C = CH2
P + S = S2P3 =>
3 P + 2 S = S2P3
Fe + Ca(NO3)2 = Fe(NO3)2 + Ca =>
Fe + Ca(NO3)2 = Fe(NO3)2 + Ca
Li2CO3(s) + HNO3(aq) = LiNO3 + H2O + CO2 =>
Li2CO3(s) + 2 HNO3(aq) = 2 LiNO3 + H2O + CO2
C6H5MgBr + CO2 + H3O = C6H5COOH + MgBr(OH) =>
42 C6H5MgBr + 49 CO2 + 30 H3O = 43 C6H5COOH + 42 MgBr(OH)
C12H24O2 + CH3OH = C13H26O2 + C3H8O3 =>
11 C12H24O2 + CH3OH = 10 C13H26O2 + C3H8O3
Pb + Ag = PbAg =>
Pb + Ag = PbAg
CH3(CH2)2CHO + O2 = CO2 + H2O =>
2 CH3(CH2)2CHO + 11 O2 = 8 CO2 + 8 H2O
H2 + O2 + KI = KOH + I2 =>
H2 + O2 + 2 KI = 2 KOH + I2
(NH4)2S + KMnO4 = MnO2 + KOH + K2SO4 + NO + H2O =>
(NH4)2S + 6 KMnO4 = 6 MnO2 + 4 KOH + K2SO4 + 2 NO + 2 H2O
HCl + Rb(OH) = RbCl + HOH =>
HCl + Rb(OH) = RbCl + HOH
Ca(OH)2 + Cl2 = Ca(OCl)2 + CaCl2 + H2O =>
2 Ca(OH)2 + 2 Cl2 = Ca(OCl)2 + CaCl2 + 2 H2O
K2O + O2 + N2 = KNO3 =>
2 K2O + 5 O2 + 2 N2 = 4 KNO3
HCrO4{-} + H2S + H{+} = Cr2O3 + SO4{-2} + H2O =>
8 HCrO4{-} + 3 H2S + 2 H{+} = 4 Cr2O3 + 3 SO4{-2} + 8 H2O
NiCl2 + Sr(NO3)2 = SrCl2 + Ni(NO3)2 =>
NiCl2 + Sr(NO3)2 = SrCl2 + Ni(NO3)2
C39H74O6 + O2 = CO2 + H2O =>
2 C39H74O6 + 109 O2 = 78 CO2 + 74 H2O
NH3(g) + O2(g) = NO(g) + H2O(l) =>
4 NH3(g) + 5 O2(g) = 4 NO(g) + 6 H2O(l)
C5H9Br + CH3Br + Na = C4H10 + NaBr =>
C5H9Br + 7 CH3Br + 8 Na = 3 C4H10 + 8 NaBr
Ag + MnO = Mn + AgO =>
Ag + MnO = Mn + AgO
Al2O3 + C2H4O2 = Al(CH3COO)3 + H2O =>
Al2O3 + 6 C2H4O2 = 2 Al(CH3COO)3 + 3 H2O
CH3CH(OH)COOH + KOH = KCH3CH(OH)COO + H2O =>
CH3CH(OH)COOH + KOH = KCH3CH(OH)COO + H2O
CaCl2 + KH2PO4 = Ca(H2PO4)2 + KCl =>
CaCl2 + 2 KH2PO4 = Ca(H2PO4)2 + 2 KCl
CuSO4(ac) + NaOH = Cu(OH)2(s) + Na2SO4(ac) =>
CuSO4(ac) + 2 NaOH = Cu(OH)2(s) + Na2SO4(ac)
C3H6O2 = C3H5O2 + H =>
C3H6O2 = C3H5O2 + H
FeBr3 + CuSO4 = FeSO4 + CuBr3 =>
FeBr3 + CuSO4 = FeSO4 + CuBr3
Cr + Ag(NO3) = Cr(NO3) + Ag =>
Cr + Ag(NO3) = Cr(NO3) + Ag
Se2O6 + H2O = H2SeO4 =>
Se2O6 + 2 H2O = 2 H2SeO4
HNO3 + H2Se = H2SeO4 + NO2 + H2O =>
8 HNO3 + H2Se = H2SeO4 + 8 NO2 + 4 H2O
C6H5OH + O2 = CO2 + H2O = =>
C6H5OH + 7 O2 = 6 CO2 + 3 H2O
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
C6H5CH3 + KMnO4 + HCl = C6H5COOH + MnCl4 + KCl + H2O =>
C6H5CH3 + 2 KMnO4 + 10 HCl = C6H5COOH + 2 MnCl4 + 2 KCl + 6 H2O
K2Cr2O7 + C2H6O = CO2 + Cr2O3 + H2O + KOH =>
2 K2Cr2O7 + C2H6O = 2 CO2 + 2 Cr2O3 + H2O + 4 KOH
KMnO4 + HC = KC + MnC2 + H2O + C2 =>
2 KMnO4 + 16 HC = 2 KC + 2 MnC2 + 8 H2O + 5 C2
FeS2 + K2MnO4 + KHSO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
4 FeS2 + 15 K2MnO4 + 56 KHSO4 = 2 Fe2(SO4)3 + 15 MnSO4 + 43 K2SO4 + 28 H2O
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