| Équations équilibrées la veille | Équations équilibrées le lendemain |
CrO3 + 6 HCl = Cr + 3 Cl2 + 3 H2O
N2O + CrO4{2-} + H{+} = Cr{3+} + NO + H2O =>
3 N2O + 2 CrO4{2-} + 10 H{+} = 2 Cr{3+} + 6 NO + 5 H2O
(Mg(OH)2) + (HCl) = (MgCl2) + (H2O) =>
(Mg(OH)2) + 2(HCl) = (MgCl2) + 2(H2O)
K2MnO4 + CO2 + H2O = KMnO4 + MnO + KHCO3 =>
5 K2MnO4 + 6 CO2 + 3 H2O = 4 KMnO4 + MnO + 6 KHCO3
Bi(NO3)3 + KI = K[Bi(NO3)4] + BiI3 =>
4 Bi(NO3)3 + 3 KI = 3 K[Bi(NO3)4] + BiI3
BBr3 + F2 = B + BrF3 =>
2 BBr3 + 9 F2 = 2 B + 6 BrF3
F2(s) + MgI2 = I2 + MgF2 =>
F2(s) + MgI2 = I2 + MgF2
KOH + SO2 = KO2 + SOH =>
KOH + SO2 = KO2 + SOH
Na2(SO4) + Ca(NO3)2 = Na(NO3) + Ca2(SO4)2 =>
2 Na2(SO4) + 2 Ca(NO3)2 = 4 Na(NO3) + Ca2(SO4)2
C6H10 + K2Cr2O7 + H2SO4 = C6H10O + H2O + K2SO4 + Cr2(SO4)3 =>
3 C6H10 + K2Cr2O7 + 4 H2SO4 = 3 C6H10O + 4 H2O + K2SO4 + Cr2(SO4)3
Co + As = (Co3As2) =>
3 Co + 2 As = (Co3As2)
NiSO4*1H2O + Na2CO3 = NiCO3 + Na2SO4 + H2O =>
NiSO4*1H2O + Na2CO3 = NiCO3 + Na2SO4 + H2O
Na(s) + Cl2(g) = NaCl(s) =>
2 Na(s) + Cl2(g) = 2 NaCl(s)
H2SO4 + NaOH = NaSO2 + H2O2 =>
2 H2SO4 + 2 NaOH = 2 NaSO2 + 3 H2O2
LiS + CuSO4 = LiSO4 + CuS =>
LiS + CuSO4 = LiSO4 + CuS
Rb2SO3 + HCl = RbCl + H2SO3 =>
Rb2SO3 + 2 HCl = 2 RbCl + H2SO3
Cu + H2CO3 = CuHCO3 + H2 =>
2 Cu + 2 H2CO3 = 2 CuHCO3 + H2
Li2O(s) + H2O(i) = LiOH(ac) =>
Li2O(s) + H2O(i) = 2 LiOH(ac)
N2(g) + H2(g) = NH3(g) =>
N2(g) + 3 H2(g) = 2 NH3(g)
MnSO4NaClONaOH = MnO2Na2SO4HCl =>
MnSO4NaClONaOH = MnO2Na2SO4HCl
NaOH + H5Cl5 = H2O + NaCl =>
5 NaOH + H5Cl5 = 5 H2O + 5 NaCl
PbO2(s) + Sb(s) + KOH(ac) = PbO(s) + KSbO2(ac) + H2O(l) =>
3 PbO2(s) + 2 Sb(s) + 2 KOH(ac) = 3 PbO(s) + 2 KSbO2(ac) + H2O(l)
Cd + H3PO4 = Cd3PO4 + H2 =>
6 Cd + 2 H3PO4 = 2 Cd3PO4 + 3 H2
C6H5NO2 + Zn + NaOH + H2O = C12H12N2 + Na2[Zn(OH)4] =>
2 C6H5NO2 + 5 Zn + 10 NaOH + 6 H2O = C12H12N2 + 5 Na2[Zn(OH)4]
Fe{-2}O{+3} + CO = Fe + CO{-2} =>
Fe{-2}O{+3} + CO = Fe + CO{-2}
HNO3 + NH3 = NH3NO2 + H2O =>
7 HNO3 + 9 NH3 = 8 NH3NO2 + 5 H2O
Ca(OH)2 + P4O10 = (CaOH)3PO4 + H2O =>
12 Ca(OH)2 + P4O10 = 4(CaOH)3PO4 + 6 H2O
Zn + Li3PO4 = ZnPO4 + Li =>
Zn + Li3PO4 = ZnPO4 + 3 Li
Fe2O3 + SO2 = Fe2S3 + O2 =>
2 Fe2O3 + 6 SO2 = 2 Fe2S3 + 9 O2
XH2SO4 + XNH4OH = XH2O + X(NH4)2SO4 =>
XH2SO4 + 2 XNH4OH = 2 XH2O + X(NH4)2SO4
C3H12 + N2Cl4 = N2 + H12 + C3Cl12 =>
C3H12 + 3 N2Cl4 = 3 N2 + H12 + C3Cl12
K2CrO7 + H2SO4 + C2H5OH = Cr2(SO4)3 + K2SO4 + CH3COH + H2O =>
2 K2CrO7 + 5 H2SO4 + 9 C2H5OH = Cr2(SO4)3 + 2 K2SO4 + 9 CH3COH + 14 H2O
ZnC12 = Zn + C12 =>
ZnC12 = Zn + C12
NH4Cl + Mg3N2 = (NH4)3N + MgCl2 =>
6 NH4Cl + Mg3N2 = 2(NH4)3N + 3 MgCl2
MnSO4 + Pb3O4 + HNO3 = HMnO4 + PbSO4 + Pb(NO3)2 + H2O =>
2 MnSO4 + 5 Pb3O4 + 26 HNO3 = 2 HMnO4 + 2 PbSO4 + 13 Pb(NO3)2 + 12 H2O
Na{+} + HCO3{-} = NaHCO3 =>
Na{+} + HCO3{-} = NaHCO3
H2O2 + HCl + CoS = CoCl2 + H2O + S =>
H2O2 + 2 HCl + CoS = CoCl2 + 2 H2O + S
HBr(aq) + NaOH(aq) = NaBr(s) + H2O(l) =>
HBr(aq) + NaOH(aq) = NaBr(s) + H2O(l)
Na{+} + HCO3{-} = NaHCO3 =>
Na{+} + HCO3{-} = NaHCO3
H3AsO3 + KMnO4 + H2SO4 = H3AsO4 + MnSO4 + K2SO4 + H2O =>
5 H3AsO3 + 2 KMnO4 + 3 H2SO4 = 5 H3AsO4 + 2 MnSO4 + K2SO4 + 3 H2O
BaCO3 + CuO + Y2O3 = Y2Ba4Cu6O13 + CO2 =>
4 BaCO3 + 6 CuO + Y2O3 = Y2Ba4Cu6O13 + 4 CO2
P4 + NaClO2 + NaOH = Na2(H2P2O6) + NaCl =>
P4 + 4 NaClO2 + 4 NaOH = 2 Na2(H2P2O6) + 4 NaCl
NaOH + H2S = NaS + H3O =>
NaOH + H2S = NaS + H3O
Cu(s) + MgCl2(aq) = CuCl2 + Mg =>
Cu(s) + MgCl2(aq) = CuCl2 + Mg
HCOOH + Na2CO3 = HCOONa + H2O + CO3 =>
3 HCOOH + 2 Na2CO3 = 4 HCOONa + H2O + CO3
S8 + F2 = SF6 =>
S8 + 24 F2 = 8 SF6
CH3COOH3 + O2 = CO2 + H2O =>
2 CH3COOH3 + 5 O2 = 4 CO2 + 6 H2O
KClO4 + NH4ClO4 + Mg = KMgCl3 + N2 + H2 + O2 =>
KClO4 + 2 NH4ClO4 + Mg = KMgCl3 + N2 + 4 H2 + 6 O2
KNo3 + Na2CO3 = K2CO3 + NaNo3 =>
2 KNo3 + Na2CO3 = K2CO3 + 2 NaNo3
AlCl3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + Cl + Al2(SO4)3 + H2O =>
2 AlCl3 + K2Cr2O7 + 7 H2SO4 = Cr2(SO4)3 + K2SO4 + 6 Cl + Al2(SO4)3 + 7 H2O
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