| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 CH3CH2COONa + 10 NaOH = 5 C2H6 + 2 CO2 + 14 NaO
LiHCO3(aq) + HBr(aq) = LiBr(s) + H2CO3(aq) =>
LiHCO3(aq) + HBr(aq) = LiBr(s) + H2CO3(aq)
HBrO3 + HNO2 = HNO3 + Br2 + H2O2 =>
2 HBrO3 + 4 HNO2 = 4 HNO3 + Br2 + H2O2
Pb(NO3)2 + KI = KNO3 + PbI2 =>
Pb(NO3)2 + 2 KI = 2 KNO3 + PbI2
NaClO3 = NaClNaCl + O2 =>
2 NaClO3 = NaClNaCl + 3 O2
Pb(NO3)2 + LiCO3 = PbCO3 + Li(NO3)2 =>
Pb(NO3)2 + LiCO3 = PbCO3 + Li(NO3)2
I2 + KNO3 + H2O = I{-} + KIO3 + NO3 + H{+} =>
7 I2 + 2 KNO3 + 6 H2O = 12 I{-} + 2 KIO3 + 2 NO3 + 12 H{+}
Ba(HSO3)2 + H2O2 = BaSO4 + H2SO4 + H2O =>
Ba(HSO3)2 + 2 H2O2 = BaSO4 + H2SO4 + 2 H2O
HCl + KMnO4 + Fe = MnCl3 + KCl + H2O + FeCl3 =>
24 HCl + 3 KMnO4 + 4 Fe = 3 MnCl3 + 3 KCl + 12 H2O + 4 FeCl3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
KSCN + Na2SO4 = K2SO4 + NaSNC =>
2 KSCN + Na2SO4 = K2SO4 + 2 NaSNC
Pb(NO3)2 + NaI = PbI + Na(NO3)2 =>
Pb(NO3)2 + NaI = PbI + Na(NO3)2
Mg + KMnO4 = MnO2 + K2O + MgO =>
3 Mg + 2 KMnO4 = 2 MnO2 + K2O + 3 MgO
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
K2Cr2O7 + H2SO4 + SO2 = K2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + H2SO4 + 3 SO2 = K2SO4 + Cr2(SO4)3 + H2O
Na + AnswerHCl = H2 + AnswerNaCl =>
2 Na + 2 AnswerHCl = H2 + 2 AnswerNaCl
K2Cr2O9 + HCl + COOH2 = CO2 + KCl + H2O + CrCl3 =>
K2Cr2O9 + 8 HCl + 5 COOH2 = 5 CO2 + 2 KCl + 9 H2O + 2 CrCl3
MgBr2(aq) + AgNO3 = AgBr + Mg(NO3)2(aq) =>
MgBr2(aq) + 2 AgNO3 = 2 AgBr + Mg(NO3)2(aq)
Pb(OH)4 + Cu2O = PbO2 + CuOH =>
Pb(OH)4 + 2 Cu2O = PbO2 + 4 CuOH
C3H5OH + NO3 = CO2 + H2O + N2 =>
3 C3H5OH + 8 NO3 = 9 CO2 + 9 H2O + 4 N2
HNO3 + C2H5OH = C2H5NO2 + H2O2 =>
HNO3 + C2H5OH = C2H5NO2 + H2O2
PbO2 + H2SO4 + Pb = PbSO4 + H2O =>
PbO2 + 2 H2SO4 + Pb = 2 PbSO4 + 2 H2O
AlCl3 + (NH4)2S = AlS + (NH4)2Cl3 =>
AlCl3 + (NH4)2S = AlS + (NH4)2Cl3
CaCl2 + NaCl = CaCl + Na(Cl2) =>
CaCl2 + NaCl = CaCl + Na(Cl2)
C5H11OH + Br2 = C5H10OH + HBr =>
2 C5H11OH + Br2 = 2 C5H10OH + 2 HBr
Ba[Zn(OH)4] + H2SO4 = H2O + Zn(OH)2 + BaSO4 =>
Ba[Zn(OH)4] + H2SO4 = 2 H2O + Zn(OH)2 + BaSO4
CuCO3 + SO2 = CuSO4 + CO =>
CuCO3 + SO2 = CuSO4 + CO
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
FeCl2 + HClO3 + HCl = FeCl3 + H2O =>
6 FeCl2 + HClO3 + 5 HCl = 6 FeCl3 + 3 H2O
Hg2(NO3)2 + NaCl = Hg2Cl2 + NaNO3 =>
Hg2(NO3)2 + 2 NaCl = Hg2Cl2 + 2 NaNO3
Au(OH)3 + KOH = KAuO2 + H2O =>
Au(OH)3 + KOH = KAuO2 + 2 H2O
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
HNO3 + C6H12O = C6H10O4 + NO2 + H2O =>
8 HNO3 + C6H12O = C6H10O4 + 8 NO2 + 5 H2O
K2C2O4*H2O + H2C2O4*2H2O + K2Cr2O7 = K3[Cr(C2O4)3]*3H2O + H2O + CO2 =>
2 K2C2O4*H2O + 7 H2C2O4*2H2O + K2Cr2O7 = 2 K3[Cr(C2O4)3]*3H2O + 17 H2O + 6 CO2
BaCl2 + HNO3 = Ba(NO3)2 + HCl =>
BaCl2 + 2 HNO3 = Ba(NO3)2 + 2 HCl
S + CO = SO2 + C =>
S + 2 CO = SO2 + 2 C
NO + KIO + HNO3 = KNO3 + I2 + H2O =>
2 NO + 6 KIO + 4 HNO3 = 6 KNO3 + 3 I2 + 2 H2O
CuCl2(aq) + Li3PO4(aq) = Cu3(PO4)2(s) + LiCl(aq) =>
3 CuCl2(aq) + 2 Li3PO4(aq) = Cu3(PO4)2(s) + 6 LiCl(aq)
Cu + (NO3){-} + H{+} = Cu{2+} + NO2 + H2O =>
Cu + 2(NO3){-} + 4 H{+} = Cu{2+} + 2 NO2 + 2 H2O
Ni(CH3COO)3 + HNO3 = CH3COOH + Ni(NO3)3 =>
Ni(CH3COO)3 + 3 HNO3 = 3 CH3COOH + Ni(NO3)3
S + F2 = SF6 =>
S + 3 F2 = SF6
CaCl2(aq) + KI(aq) = CaI2(s) + KCl(aq) =>
CaCl2(aq) + 2 KI(aq) = CaI2(s) + 2 KCl(aq)
S + H2O = H2S + OH =>
S + 2 H2O = H2S + 2 OH
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + I2 + K2SO4 + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 3 I2 + 4 K2SO4 + 7 H2O
Au(NO3)3 + NaOH = Au(OH)3 + NaNO3 =>
Au(NO3)3 + 3 NaOH = Au(OH)3 + 3 NaNO3
H2SO4 + CaCO3 = CaSO4 + HCO3 + H2 =>
2 H2SO4 + 2 CaCO3 = 2 CaSO4 + 2 HCO3 + H2
S + Na2SO3 = Na2S2O3 =>
S + Na2SO3 = Na2S2O3
C6H6 + Cl2 = C6H3Cl3 + HCl =>
C6H6 + 3 Cl2 = C6H3Cl3 + 3 HCl
AlCl3 + Mg3(PO4)2 = MgCl2 + Al(PO4) =>
2 AlCl3 + Mg3(PO4)2 = 3 MgCl2 + 2 Al(PO4)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/18/24
Équations équilibrées sur11/17/23
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