| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 HNO3 + 3 HS = N2O + 5 HO + 3 S
H2O + CrO4{-2} + Br{-} = CrO2{-} + BrO3{-} + OH{-} =>
H2O + 2 CrO4{-2} + Br{-} = 2 CrO2{-} + BrO3{-} + 2 OH{-}
F + CrCl4 = Cl + CrF2 =>
2 F + CrCl4 = 4 Cl + CrF2
K2CrO4 + HNO3 = KNO3 + H2CrO4 =>
K2CrO4 + 2 HNO3 = 2 KNO3 + H2CrO4
Na2CO3 + Co3O4 + Sb2O3 + MoO2 + O2 = CO2 + Na9Co8Mo3SbO24 =>
27 Na2CO3 + 16 Co3O4 + 3 Sb2O3 + 18 MoO2 + 4 O2 = 27 CO2 + 6 Na9Co8Mo3SbO24
C12H6Cl4 + O2 = HCl + H2O + CO2 =>
2 C12H6Cl4 + 25 O2 = 8 HCl + 2 H2O + 24 CO2
Al(s) + NaOH(s) + H2O = NaAl(OH)4(aq) + H2(g) =>
2 Al(s) + 2 NaOH(s) + 6 H2O = 2 NaAl(OH)4(aq) + 3 H2(g)
(b)N2O5(g) + H2O(l) = HNO3(aq) =>
(b)N2O5(g) + H2O(l) = 2 HNO3(aq)
H3PO4 + Na = NaH3PO4 =>
H3PO4 + Na = NaH3PO4
KAlSi3O8 + Na = NaAlSi3O8 + K =>
KAlSi3O8 + Na = NaAlSi3O8 + K
NH3 + H2O + MgCl2 = Mg(OH)2 + NH4Cl =>
2 NH3 + 2 H2O + MgCl2 = Mg(OH)2 + 2 NH4Cl
NO + KMnO4 + H2SO4 = MnSO4 + KNO3 + H2O + HNO3 =>
5 NO + 3 KMnO4 + 3 H2SO4 = 3 MnSO4 + 3 KNO3 + 2 H2O + 2 HNO3
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
NiCl2 + Na(OH) = Ni(OH)2 + NaCl =>
NiCl2 + 2 Na(OH) = Ni(OH)2 + 2 NaCl
H2O + KN3 = KOH + NH3 + O2 =>
5 H2O + KN3 = KOH + 3 NH3 + 2 O2
CuO + S = CuS + O2 =>
2 CuO + 2 S = 2 CuS + O2
MgSO4(s) + NaOH = Mg(OH)2(s) + Na2SO4 =>
MgSO4(s) + 2 NaOH = Mg(OH)2(s) + Na2SO4
K2Cr2O7 + HI + HClO4 = Cr(ClO4)3 + KClO4 + I + H2O =>
K2Cr2O7 + 6 HI + 8 HClO4 = 2 Cr(ClO4)3 + 2 KClO4 + 6 I + 7 H2O
KI(aq) + H2O(l) = HI(aq) + KOH(aq) =>
KI(aq) + H2O(l) = HI(aq) + KOH(aq)
C10H10Cl8 + O2 = CO2 + HCl + H2O =>
2 C10H10Cl8 + 21 O2 = 20 CO2 + 16 HCl + 2 H2O
C14H8O5 + H2O = C2H4 + H2CO3 =>
2 C14H8O5 + 20 H2O = 9 C2H4 + 10 H2CO3
C7H8O + Cr2O7{-2} + H{+} = C7H6O2 + Cr{3+} + H2O =>
3 C7H8O + 2 Cr2O7{-2} + 16 H{+} = 3 C7H6O2 + 4 Cr{3+} + 11 H2O
Al + NaOH*H2O = NaAlO2 + H2 =>
2 Al + 2 NaOH*H2O = 2 NaAlO2 + 3 H2
LiOH + KBr = LiK + BrOH =>
LiOH + KBr = LiK + BrOH
MoS2 + Na2CO3 + O2 = Na2MoO4 + CO2 + SO2 =>
2 MoS2 + 2 Na2CO3 + 7 O2 = 2 Na2MoO4 + 2 CO2 + 4 SO2
Ca3PO4 + SiO2 + C2 = CaSiO3 + CO + P2 =>
2 Ca3PO4 + 6 SiO2 + C2 = 6 CaSiO3 + 2 CO + P2
H2O + CrO4{-2} + Br{-} = CrO2{-} + BrO3{-} + OH{-} =>
H2O + 2 CrO4{-2} + Br{-} = 2 CrO2{-} + BrO3{-} + 2 OH{-}
CH3C(CH3)CHCH3 + KMnO4 = (CH3)COOK + MnO2 + KOH + H2O =>
6 CH3C(CH3)CHCH3 + 20 KMnO4 = 15(CH3)COOK + 20 MnO2 + 5 KOH + 5 H2O
BeCl2 + NaOH = NaCl2 + BeOH =>
BeCl2 + NaOH = NaCl2 + BeOH
K2(CO3) + H(NO3) = H2O + CO2 + K(NO3) =>
K2(CO3) + 2 H(NO3) = H2O + CO2 + 2 K(NO3)
SnCl2 + K2Cr2O7 + HCl = CrCl3 + SnCl4 + KCl + H2O =>
3 SnCl2 + K2Cr2O7 + 14 HCl = 2 CrCl3 + 3 SnCl4 + 2 KCl + 7 H2O
Si4H10(l) + O2(g) = SiO(g) + H2O(l) =>
2 Si4H10(l) + 9 O2(g) = 8 SiO(g) + 10 H2O(l)
CuF2(aq) + Ca(s) = CaF2(aq) + Cu(s) =>
CuF2(aq) + Ca(s) = CaF2(aq) + Cu(s)
Zn + Al + CO2 + H2O = Zn6Al4(OH)2(CO3)2 + H2 =>
6 Zn + 4 Al + 2 CO2 + 4 H2O = Zn6Al4(OH)2(CO3)2 + 3 H2
KMnO4 + H2SO4 + NaF = F + MnSO4 + H2O + K2SO4 + Na2SO4 =>
2 KMnO4 + 8 H2SO4 + 10 NaF = 10 F + 2 MnSO4 + 8 H2O + K2SO4 + 5 Na2SO4
C2H4 + O2 = CO + HOH =>
C2H4 + 2 O2 = 2 CO + 2 HOH
H2NaO4 + HeOH = He2NaO4 + H2O =>
H2NaO4 + 2 HeOH = He2NaO4 + 2 H2O
Fe2(SO4)3 + KSCN = K3[Fe(SCN)6] + K2SO4 =>
Fe2(SO4)3 + 12 KSCN = 2 K3[Fe(SCN)6] + 3 K2SO4
MnO4{-} + H{+} + NH2OH = Mn{+2} + N2 + H2O =>
2 MnO4{-} + 6 H{+} + 10 NH2OH = 2 Mn{+2} + 5 N2 + 18 H2O
F2 + Na(OH) = NaF + O2 + H2O =>
2 F2 + 4 Na(OH) = 4 NaF + O2 + 2 H2O
Ca + N2 = CaN =>
2 Ca + N2 = 2 CaN
CuF2(aq) + Ca(s) = CaF2(aq) + Cu(s) =>
CuF2(aq) + Ca(s) = CaF2(aq) + Cu(s)
Zn + Fe2(SO4)3 = ZnSO4 + Fe =>
3 Zn + Fe2(SO4)3 = 3 ZnSO4 + 2 Fe
As2S3 + (NO3{-}) + H{+} = NO + H3AsO4 + SO2 + H2O =>
3 As2S3 + 22(NO3{-}) + 22 H{+} = 22 NO + 6 H3AsO4 + 9 SO2 + 2 H2O
CH7N5O15 + O2 = CO2 + NO2 + H2O =>
4 CH7N5O15 + O2 = 4 CO2 + 20 NO2 + 14 H2O
Na3P + CaF2 = NaF + Ca3P2 =>
2 Na3P + 3 CaF2 = 6 NaF + Ca3P2
Ca + P3 = CaP2 =>
3 Ca + 2 P3 = 3 CaP2
C12H22O11 + O2 = H2O + CO3 =>
C12H22O11 + 18 O2 = 11 H2O + 12 CO3
Pb2(CO3) = Pb2O + CO2 =>
Pb2(CO3) = Pb2O + CO2
NO + NaOH = NaNO + NaNO3 + H2O =>
4 NO + 4 NaOH = 3 NaNO + NaNO3 + 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur04/21/25
Équations équilibrées sur05/21/24
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