| Équations équilibrées la veille | Équations équilibrées le lendemain |
(C2O4)2 + Ca2 = 2 CaC2O4
CaO + Cr2O3 = Ca2CrO4 + CrO =>
2 CaO + Cr2O3 = Ca2CrO4 + CrO
K3PO4 + H2SO4 = H3PO4 + K2SO4 =>
2 K3PO4 + 3 H2SO4 = 2 H3PO4 + 3 K2SO4
FeBr3(aq) + NaOH(aq) = FeOH(s) + NaBr3(aq) =>
FeBr3(aq) + NaOH(aq) = FeOH(s) + NaBr3(aq)
Na2Sn(OH)4 + Bi(OH)3 = Bi + Na2(Sn(OH)6) =>
3 Na2Sn(OH)4 + 2 Bi(OH)3 = 2 Bi + 3 Na2(Sn(OH)6)
CH4 + Fe3O4 = CO2 + H2 + Fe =>
2 CH4 + Fe3O4 = 2 CO2 + 4 H2 + 3 Fe
KNO3 + Ba(Na)2 = K(Na)2 + BaNO3 =>
KNO3 + Ba(Na)2 = K(Na)2 + BaNO3
Zn + HCu = ZnCu2 + H2 =>
Zn + 2 HCu = ZnCu2 + H2
Fe(s) + (O2) = Fe2O3(s) =>
4 Fe(s) + 3(O2) = 2 Fe2O3(s)
HNO3 + PCO3 = PNO3 + HCO3 =>
HNO3 + PCO3 = PNO3 + HCO3
NaOH(aq) + CuCl2(aq) = NaCl(aq) + Cu(OH)2 =>
2 NaOH(aq) + CuCl2(aq) = 2 NaCl(aq) + Cu(OH)2
KOH(aq) + NaCO3(aq) = KCO3 + NaOH =>
KOH(aq) + NaCO3(aq) = KCO3 + NaOH
Cr2O3 + KNO3 + Na2CO3 = CO2 + Na2CrO4 + KNO2 =>
Cr2O3 + 3 KNO3 + 2 Na2CO3 = 2 CO2 + 2 Na2CrO4 + 3 KNO2
B2H6 + O6 = B2O3 + H603 =>
402 B2H6 + 201 O6 = 402 B2O3 + 4 H603
Mg + C2H4O2 = H2 + Mg(C2H3O2)2 =>
Mg + 2 C2H4O2 = H2 + Mg(C2H3O2)2
(HCOONa) + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CO2 + Na2SO4 + H2O =>
6(HCOONa) + 2 K2Cr2O7 + 11 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 6 CO2 + 3 Na2SO4 + 14 H2O
C6H5C2H3 + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C6H5C2H3 + 20 K2Cr2O7 + 80 H2SO4 = 24 CO2 + 20 Cr2(SO4)3 + 20 K2SO4 + 92 H2O
Na2CO3(aq) + HNO3(aq) = NaNO3 + CO2 + H2O =>
Na2CO3(aq) + 2 HNO3(aq) = 2 NaNO3 + CO2 + H2O
Mg + HCl(st) = MgCl2 + H2 =>
Mg + 2 HCl(st) = MgCl2 + H2
Fe3O2(s) = Fe(s) + O2(g) =>
Fe3O2(s) = 3 Fe(s) + O2(g)
C3H83O + O2 = CO2 + H2O =>
4 C3H83O + 93 O2 = 12 CO2 + 166 H2O
Mn2{+} + NaBiO3 + H{+} = Bi3{+} + MnO4{-} + Na{+} + H2O =>
14 Mn2{+} + 39 NaBiO3 + 10 H{+} = 13 Bi3{+} + 28 MnO4{-} + 39 Na{+} + 5 H2O
Al(s) + S(l) = Al2S3(s) =>
2 Al(s) + 3 S(l) = Al2S3(s)
BaCO3 + KNO3 = K2CO3 + Ba[NO3]2 =>
BaCO3 + 2 KNO3 = K2CO3 + Ba[NO3]2
Cu(NO3)2 + NaCrO3 = Cu(CrO3)2 + NaNO3 =>
Cu(NO3)2 + 2 NaCrO3 = Cu(CrO3)2 + 2 NaNO3
CH3COOH(aq) + KOH(aq) = CH3COOK(aq) + H2O(l) =>
CH3COOH(aq) + KOH(aq) = CH3COOK(aq) + H2O(l)
C6H5CH3 + KMnO4 + H2O = KOH + MnO2 + CO2 =>
C6H5CH3 + 12 KMnO4 + 2 H2O = 12 KOH + 12 MnO2 + 7 CO2
CaBr2 + F2 = Br2 + CaF2 =>
CaBr2 + F2 = Br2 + CaF2
C6H8O7 + NaHCO3 = C6H5{-3} + Na{+} + CO2 + H2O =>
16 C6H8O7 + 27 NaHCO3 = 9 C6H5{-3} + 27 Na{+} + 69 CO2 + 55 H2O
Na2SiO3 + HNO3 = Na2HSiO3 + NO3 =>
Na2SiO3 + HNO3 = Na2HSiO3 + NO3
H2CO3NaO = NaCO3H2O =>
H2CO3NaO = NaCO3H2O
CH2O + SO4 = HCO3 + HS + H2O =>
9 CH2O + 5 SO4 = 9 HCO3 + 5 HS + 2 H2O
KCl4 + NH3 = Cl2 + KCl2NH3 =>
KCl4 + NH3 = Cl2 + KCl2NH3
(f)Fe(OH)3(s) + H2SO4(aq) = Fe2(SO4)3(aq) + H2O(l) =>
2(f)Fe(OH)3(s) + 3 H2SO4(aq) = Fe2(SO4)3(aq) + 6 H2O(l)
MnO4{3-} + WO2 + H2O = Mn2O3 + WO4{2-} + OH{-} =>
2 MnO4{3-} + 2 WO2 + H2O = Mn2O3 + 2 WO4{2-} + 2 OH{-}
I2 + S2O3{2}{-} = S4O6{2}{-} + I{+}{-} =>
I2 + 2 S2O3{2}{-} = S4O6{2}{-} + 2 I{+}{-}
Ph(CH3)2(NO2) + SnCl2*2H2O + HCl = Ph(CH3)2(NH3Cl) + SnCl4 + H2O =>
Ph(CH3)2(NO2) + 3 SnCl2*2H2O + 7 HCl = Ph(CH3)2(NH3Cl) + 3 SnCl4 + 8 H2O
Li2O + HF = LiF + H2O =>
Li2O + 2 HF = 2 LiF + H2O
C19H3402 + O2 = CO2 + H2O =>
2 C19H3402 + 1739 O2 = 38 CO2 + 3402 H2O
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
MnO2 + Sn(OH)4 = Mn(OH)4 + SnO2 =>
MnO2 + Sn(OH)4 = Mn(OH)4 + SnO2
CaCl + NaNO2 = CaNO2 + NaCl =>
CaCl + NaNO2 = CaNO2 + NaCl
Li2O + Zn(OH)2 = LiOH + ZnO =>
Li2O + Zn(OH)2 = 2 LiOH + ZnO
Fe + O2 + H2O = Fe3{+} + OH{-} = Fe(OH)3or4FeO(OH) + H2O =>
12 Fe + O2 + 2 H2O = 4 Fe3{+} + 4 OH{-}
Cr2O7{-2} + Sn{2+} + H{+} = Cr{+3} + Sn{4+} + H2O =>
Cr2O7{-2} + 3 Sn{2+} + 14 H{+} = 2 Cr{+3} + 3 Sn{4+} + 7 H2O
CaSi2 + HCl = CaCl2 + Si + H =>
CaSi2 + 2 HCl = CaCl2 + 2 Si + 2 H
C + H2 = C2H60 =>
2 C + 30 H2 = C2H60
Na2Zn(OH)4 = ZnO + H2O + NaOH =>
Na2Zn(OH)4 = ZnO + H2O + 2 NaOH
CuS + K4[Fe(CN)6] = Cu2[Fe(CN)6] + K2S =>
2 CuS + K4[Fe(CN)6] = Cu2[Fe(CN)6] + 2 K2S
C2H6O + K2Cr2O7 + H2O = C2H4O + Cr(OH)3 + KOH =>
3 C2H6O + K2Cr2O7 + H2O = 3 C2H4O + 2 Cr(OH)3 + 2 KOH
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/10/25
Équations équilibrées sur02/09/24
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